Invacare Mobility Aid TerminatorTM SS User Manual

Owner's Operator And Maintenance Manual  
®
Terminator SS  
DEALER: THIS MANUAL MUST BE GIVEN TO THE USER  
OF THE WHEELCHAIR.  
USER: BEFORE USING THIS WHEELCHAIR, READ THIS  
MANUAL AND SAVE FOR FUTURE REFERENCE.  
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TABLE OF CONTENTS  
TABLE OF CONTENTS  
SPECIAL NOTES................................................................................ 2  
SPECIFICATIONS .............................................................................. 5  
SECTION 1 - GENERAL GUIDELINES .................................................. 6  
STABILITY....................................................................................................................................................... 6  
OPERATING INFORMATION ................................................................................................................. 6  
TIRE PRESSURE AND INFORMATION ................................................................................................. 8  
WEIGHT TRAINING................................................................................................................................... 8  
WEIGHT LIMITATION ............................................................................................................................... 8  
SAFETY/HANDLING OF WHEELCHAIRS............................................................................................ 9  
SECTION 2 - SAFETY INSPECTION .................................................. 14  
SAFETY INSPECTION CHECKLIST ..................................................................................................... 14  
TROUBLESHOOTING............................................................................................................................. 15  
MAINTENANCE ........................................................................................................................................ 15  
SECTION 3 - BACK ......................................................................... 17  
BACK ANGLE ADJUSTMENT ............................................................................................................... 17  
FOLDING/UNFOLDING THE BACK.................................................................................................. 19  
ADJUSTING/REPLACING BACK UPHOLSTERY............................................................................. 19  
BACK HEIGHT ADJUSTMENT (ADJUSTABLE BACKS ONLY) .................................................. 23  
SECTION 4 - SEAT .......................................................................... 24  
REPLACING TOP END SEAT UPHOLSTERY ................................................................................... 24  
REPLACING CUSTOM MANUAL SCREW ON SEAT UPHOLSTERY ...................................... 25  
SECTION 5 - WHEELS ...................................................................... 26  
REMOVING/INSTALLING REAR WHEELS........................................................................................ 26  
ADJUSTING QUICK-RELEASE AXLES................................................................................................ 27  
INSTALLING QUAD-RELEASE AXLES ............................................................................................... 28  
ADJUSTING QUAD-RELEASE HANDLES ......................................................................................... 28  
HANDRIM REPLACEMENT ................................................................................................................... 29  
REPAIRING/REPLACING REAR WHEEL, TIRE/TUBE .................................................................... 30  
OPENING/CLOSING CLAMPS ............................................................................................................. 30  
ADJUSTING REAR WHEEL CAMBER ................................................................................................. 32  
DETERMINING TOE IN/TOE OUT..................................................................................................... 33  
ADJUSTING TOE IN/TOE OUT ........................................................................................................... 34  
ADJUSTING WHEELBASE LENGTH (ADJUSTING CENTER OF GRAVITY) ......................... 37  
ADJUSTING WHEELBASE WIDTH ..................................................................................................... 38  
REPLACING AXLE TUBE........................................................................................................................ 39  
ADJUSTING THE AXLE TUBE .............................................................................................................. 40  
REPLACING/ADJUSTING CASTERS ................................................................................................... 43  
ADJUSTING FRONT CASTER HEIGHT ............................................................................................. 44  
WHEEL LOCK ADJUSTMENT/REPLACEMENT .............................................................................. 45  
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TABLE OF CONTENTS  
SECTION 6 - FOOTREST/ANTI-TIPPER ............................................. 46  
ADJUSTING/REPLACING STANDARD FOOTREST...................................................................... 46  
INSTALLING/ADJUSTING OPTIONAL CLAMP ON RAISED FOOTREST ............................. 47  
INSTALLING/ADJUSTING OPTIONAL A4 FOOTREST ............................................................... 47  
ANTI-TIPPER REPLACEMENT/ADJUSTMENT ................................................................................. 49  
SECTION 7 - SUSPENSION............................................................... 50  
ELASTOMERS AND SUSPENSION ...................................................................................................... 50  
REPLACING REAR ELASTOMERS........................................................................................................ 50  
REPLACING FRONT ELASTOMERS ................................................................................................... 52  
REMOVING/INSTALLING/REPLACING SUSPENSION TUBES................................................... 53  
ADJUSTING SEAT-TO-FLOOR HEIGHT ........................................................................................... 54  
REPOSITIONING THE AXLE TUBE .................................................................................................... 55  
REPOSITIONING QUICK RELEASE LEVERS..................................................................................... 57  
LIMITED WARRANTY ..................................................................... 59  
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SPECIFICATIONS  
SPECIFICATIONS  
NOTE: All specifications are approximate.  
TERMINATOR SS  
Frame:  
Rigid - with Rear Suspension - 4130 Chrome-moly  
12-20-inches - Outside to Outside of SEAT FRAME in 1-inch increments.  
14 to 18-inches (15-inch Standard)  
Seat Width:  
Seat Depth:  
Seat-to-Floor:  
Front - 17 to 21-inches  
Rear -14 to 21-inches  
Back Style:  
Fixed (Standard), Fold Down  
Back Height  
Fixed:  
8 to 16-inches  
Adjustable:  
Low - 11 to 14-inches in 1-inch increments.  
Medium - 14 to 18-inches in 1-inch increments.  
Tall - 16 to 20-inches in 1-inch increments.  
Back Angle:  
0°, 3°, 5° or 7°  
Rear-Front Caster Distance:  
19 to 21-inches  
(measured from outside of back of frame to center of front caster housing)  
Front Caster to Footplate  
Distance:  
3 to 5-inches  
Foot Width:  
9 to 12-inches (average is 10-inches)  
(measured between front of footrest bars)  
Footrest:  
Tubular: 4-inch Height Adjustable (Standard)  
Adjustable 1/2 to 1-1/2-inches  
Side - Wheel Clearance:  
Rear Axle:  
Adjustable Axle Position, Quick or Quad-Release  
Rear Wheel Camber  
Camber Tube 2000:  
A4™ Camber System:  
0°, 3°, 6°, 12°  
0°, 3°, 6°, 9°, 12°  
Rear Wheel Sizes:  
24, 25, 26-inch (24-inch Standard)  
Double walled rim high flange hub (Standard)  
Available Tires and Wheels:  
24-inch: Primo 25-540 (Standard), 24x1-3/8-inch, Knobby, Spinergy®, KIK®  
25-inch: Primo 25-559 (Standard), Knobby, Spinergy, KIK  
26-inch: Primo 25-590 (Standard), Spinergy  
Handrims:  
Aluminum Welded Tab (Standard), Plastic Coated, Dual Grip®  
Wheel Locks:  
Front Forks:  
Caster Size:  
High Mount, Low Mount (Standard)  
Suspension Fork  
3, 4 and 5-inch  
Back Upholstery:  
Weight:  
U240 Black - Adjustable Tension  
24 pounds  
Shipping Weight*:  
40 pounds  
*NOTE: 15 x 15-inch seat frame with complete package.  
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SECTION 1  
GENERAL GUIDELINES  
Section 1 - General Guidelines - includes the following:  
Stability  
Operating Information  
Tire Pressure and Information  
Weight Training  
Weight Limitation  
Safety/Handling of Wheelchairs  
STABILITY  
STABILITY WARNING  
The position of the footrest, camber tube, back angle, the tautness of the back  
upholstery as well as the user's condition are directly related to the wheelchair's  
stability. Any change to one (1) or any combination of the five (5) may cause the  
wheelchair to decrease in stability. Use EXTREME caution when using a new  
seating position. The addition of anti-tippers may be required .  
Footrest Position  
Camber Tube  
Back Angle  
Back Upholstery  
User Condition  
NOTE: When changes to the left hand column occur, follow across the chart and refer to the  
procedure to maintain the proper stability, safety and handling of the wheel chair.  
OPERATING INFORMATION  
WARNING  
To determine and establish your particular safety limits, practice bending,  
reaching and transferring activities in several combinations in the presence of a  
qualified healthcare professional BEFORE attempting active use of the wheelchair.  
DO NOT attempt to reach objects if you have to move forward in the seat.  
DO NOT attempt to reach objects if you have to pick them up from the  
floor by reaching down between your knees.  
DO NOT lean over the top of the back upholstery to reach objects from  
behind as this may cause the wheelchair to tip over.  
DO NOT shift your weight or sitting position toward the direction you  
are reaching as the wheelchair may tip over.  
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GENERAL GUIDELINES  
SECTION 1  
WARNING  
DO NOT tip the wheelchair without assistance.  
DO NOT use an escalator to move a wheelchair between floors. Serious  
bodily injury may occur. Before attempting to transfer in or out of the  
wheelchair, every precaution should be taken to reduce the gap distance.  
Turn both casters toward the object you are transferring onto. Also be  
certain the wheel locks are engaged to prevent the wheels from moving.  
DO NOT operate on roads, streets or highways.  
DO NOT climb, go up or down ramps or traverse slopes greater than 9o.  
DO NOT attempt to move up or down an incline with a water, ice or oil film.  
DO NOT attempt to ride over curbs or obstacles. Doing so may cause your  
wheelchair to turn over and cause bodily harm or damage to the wheelchair.  
DO NOT use ANY parts, accessories, or adapters other than those authorized  
by Invacare. Otherwise, the warranty is void.  
DO NOT attempt to lift the wheelchair by any removable (detachable)  
parts. Lifting by means of any removable (detachable) parts of a wheelchair  
may result in injury to the user or damage to the wheelchair.  
DO NOT stand on the frame of the wheelchair.  
Check ALL allen screws that secure the footrest/raised footrest system to  
the chair frame BEFORE using the wheelchair. ESPECIALLY if engaging in  
ANY contact sport.  
Anti-tippers MUST BE attached at all times. Inasmuch as the anti-tippers are  
an option on this wheelchair (you may order with or without the anti-tippers),  
Invacare strongly recommends ordering the anti-tippers as an additional  
safeguard for the wheelchair user.  
Unless otherwise noted, all service and adjustments should be performed  
while the wheelchair is unoccupied.  
DO NOT use the footplate as a platform when getting in or out of the  
wheelchair.  
ALWAYS wear your seat positioning strap. Inasmuch as the SEAT  
POSITIONING STRAP is an option on this wheelchair (you may order with or  
without the seat positioning strap), Invacare strongly recommends ordering  
the seat positioning strap as an additional safeguard for the wheelchair user.  
ALWAYS use the handrims for self-propulsion. Inasmuch as the  
HANDRIMS are an option on this wheelchair (you may order with or  
without the handrims), Invacare strongly recommends ordering the  
handrims as an additional safeguard for the wheelchair user.  
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SECTION 1  
GENERAL GUIDELINES  
TIRE PRESSURE AND INFORMATION  
WARNING  
DO NOT use your wheelchair unless it has the proper tire pressure (p.s.i.).  
DO NOT overinflate the tires. Failure to follow these suggestions may cause  
the tire to explode and cause bodily harm. The recommended tire pressure  
is on the sidewall of the tire.  
Replacement of the tire or tube MUST be performed by a qualified technician.  
WEIGHT TRAINING  
WARNING  
Invacare DOES NOT recommend the use of its wheelchairs as a weight  
training apparatus. Invacare wheelchairs have NOT been designed or tested  
as a seat for any kind of weight training. If occupant uses said wheelchair as a  
weight training apparatus, Invacare shall NOT be liable for bodily injury and  
the warranty is void.  
WEIGHT LIMITATION  
Invacare's Top End Terminator SS wheelchairs have a weight limitation  
of 250 lbs.  
Terminator™ SS  
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GENERAL GUIDELINES  
SECTION 1  
SAFETY/HANDLING OF WHEELCHAIRS  
“Safety and Handling” of the wheelchair requires the close attention of the wheelchair  
user as well as the assistant. This manual points out the most common procedures and  
techniques involved in the safe operation and maintenance of the wheelchair. It is  
important to practice and master these safe techniques until you are comfortable in  
maneuvering around the frequently encountered architectural barriers.  
Use this information only as a “basic” guide. The techniques that are discussed on the  
following pages have been used successfully by many.  
Individual wheelchair users often develop skills to deal with daily living activities that  
may differ from those described in this manual. Invacare recognizes and encourages each  
individual to try what works best for him/her in overcoming architectural obstacles that  
they may encounter, however, ALL WARNINGS and CAUTIONS given in this manual  
MUST be followed. Techniques in this manual are a starting point for the new  
wheelchair user and assistant, with “safety” as the most important consideration for all.  
STABILITY AND BALANCE  
WARNING  
ALWAYS wear your seat positioning strap. Inasmuch as the SEAT  
POSITIONING STRAP is an option on this wheelchair (You may order with  
or without the seat positioning strap), Invacare strongly recommends ordering  
the seat positioning strap as an additional safeguard for the wheelchair user.  
Anti-tippers MUST BE attached at all times. Inasmuch as the anti-tippers are  
an option on this wheelchair (You may order with or without the anti-tippers),  
Invacare strongly recommends ordering the anti-tippers as an additional  
safeguard for the wheelchair user.  
To assure stability and proper operation of your wheelchair, you must at all times maintain  
proper balance. Your wheelchair has been designed to remain upright and stable during  
normal daily activities as long as you do not move beyond the center of gravity.  
Virtually all activities which involve movement in the wheelchair have an effect on the  
center of gravity. Invacare recommends using seat positioning straps for additional safety  
while involved in activities that shift your weight.  
DO NOT lean forward out of the wheelchair any further than stability will allow. Make  
sure casters are pointing in the forward position whenever you lean forward. This can  
be achieved by advancing the wheelchair and then reversing it in a straight line.  
COPING WITH EVERYDAY OBSTACLES  
Coping with the irritation of everyday obstacles can be alleviated somewhat by learning how to  
manage your wheelchair. Keep in mind your center of gravity to maintain stability and balance.  
A NOTE TO WHEELCHAIR ASSISTANTS  
When assistance to the wheelchair user is required, remember to use good body mechanics.  
Keep your back straight and bend your knees whenever tilting the wheelchair or traversing  
curbs, or other impediments.  
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SECTION 1  
GENERAL GUIDELINES  
WARNING  
Do not attempt to lift a wheelchair by lifting on any removable (detachable)  
parts. Lifting by means of any removable (detachable) parts of a wheelchair  
may result in injury to the user or damage to the wheelchair.  
Also, be aware of any removable (detachable) parts. These must NEVER be used to  
move the wheelchair or as lifting supports, as they may be inadvertently released,  
resulting in possible injury to the user and/or assistant(s).  
When learning a new assistance technique, have an experienced assistant help you  
before attempting it alone.  
PERCENTAGE OF WEIGHT DISTRIBUTION  
WARNING  
DO NOT attempt to reach objects if you have to move forward in the seat  
or pick them up from the floor by reaching down between your knees.  
The position of the footrest, camber tube, back angle, the tautness of the back  
upholstery as well as the user's condition are directly related to the wheelchair's  
stability. Any change to one (1) or any combination of the five (5) may cause the  
wheelchair to decrease in stability. Use EXTREME caution when using a new  
seating position. The addition of anti-tippers may be required .  
Many activities require the wheelchair  
owner to reach, bend and transfer in and  
out of the wheelchair. These movements  
Center of Gravity  
will cause a change to the normal balance,  
the center of gravity, and the weight  
distribution of the wheelchair.  
To determine and establish your particular  
safety limits, practice bending, reaching and  
transferring activities in several  
combinations in the presence of a qualified  
health-care professional BEFORE  
attempting active use of wheelchair.  
UNOCCUPIED  
OCCUPIED  
Proper positioning is essential for your  
safety. When reaching, leaning, bending  
forward, it is important to use the front  
casters as a tool to maintain stability and  
balance.  
LENGTHENING THE WHEELBASE  
will increase the stability and maintain  
standard maneuverability of wheelchair.  
LENGTHENING  
SHORTENING  
SHORTENING THE WHEELBASE  
will decrease the stability, increase the  
maneuverability and distribute additional  
weight onto the rear wheels.  
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GENERAL GUIDELINES  
SECTION 1  
Reaching, Leaning and Bending - Forward.  
Position the front casters so that they are  
extended as far forward as possible and  
engage wheel locks.  
WARNING  
DO NOT attempt to reach objects  
if you have to move forward in the  
seat or pick them up from the floor  
by reaching down between your  
knees.  
REACHING, LEANING AND  
BENDING - FORWARD  
Reaching, Leaning - Backwards.  
WARNING  
DO NOT lean over the top of the  
back upholstery. This will change  
your center of gravity and may  
cause you to tip over.  
REACHING, LEANING -  
BACKWARDS  
TIPPING  
WARNING  
DO NOT tip the wheelchair without assistance.  
DO NOT let the wheelchair drop the last few inches to the ground.  
This could result in injury to the occupant.  
When tipping the wheelchair, an assistant should grasp the back of the wheelchair on a  
non-removable (non-detachable) part. Inform the wheelchair occupant before tilting the  
wheelchair and remind him/her to lean back. Be sure the occupant’s feet and hands are  
clear of all wheels and/or pinch points. Apply a continuous motion until the balance  
point is achieved. At this point, the assistant will feel a difference in the weight  
distribution. Turn the wheelchair in the desired direction if necessary. Slowly lower the  
wheelchair in one continuous movement.  
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SECTION 1  
GENERAL GUIDELINES  
TIPPING - CURBS:  
WARNING  
Invacare does not recommend that sport wheelchairs be used where  
traversing curbs present an obstacle. Possible injury to occupant and/or  
assistant(s) can occur. Transfer to an everyday use wheelchair is  
recommended if any such obstacles may be encountered.  
After mastering the techniques of tipping the wheelchair, use the following method to tackle  
curbs, short stairs, etc.  
Turn the anti-tippers, if equipped, so the wheels are facing UP. Unless the first assistant has  
exceptional upper body strength, it is recommended that two (2) assistants perform this  
operation. The second assistant should be positioned at the front of the wheelchair lifting  
upward on a non-removable (non-detachable) part of the wheelchair frame when lifting the  
wheelchair and stabilizing the wheelchair when the wheelchair is being lowered to the ground.  
The first assistant should stand on the sidewalk and turn the wheelchair so that the rear wheels  
are against the curb. The wheelchair should be tilted back to the balance point and, in one  
continuous upward movement, the rear wheels should be pulled up and over the curb.  
DO NOT return the front casters to the ground until the wheelchair has been pulled backward  
far enough for the front casters to clear the edge of the curb.  
WARNING  
When lowering the front casters of the wheelchair, DO NOT let the  
wheelchair drop the last few inches to the ground. This could result in  
injury to the occupant and/or damage to the wheelchair.  
Roll the wheelchair backward and  
SLOWLY lower the wheelchair in one  
continuous movement. DO NOT let the  
wheelchair drop the last few inches to the  
ground. This could result in injury to the  
occupant. Turn the anti-tippers so the  
wheels are facing DOWN.  
STAIRWAYS  
WARNING  
Concerning stairway access; Invacare does not recommend that these  
wheelchairs be transported up or down stairways with occupant in the  
wheelchair. Possible injury to occupant and/or assistant(s) can occur.  
Transfer to an everyday use wheelchair is recommended.  
DO NOT attempt to lift the wheelchair by any removable (detachable)  
parts. Lifting by means of any removable (detachable) parts of a wheelchair  
may result in injury to the user or damage to the wheelchair.  
Extreme caution is advised when it is necessary to move an occupied  
wheelchair up or down a stairway. Invacare recommends that, if possible, the  
user be removed from the wheelchair prior to moving. Invacare recommends  
using two (2) assistants and making thorough preparations. Make sure to use  
ONLY secure, non-detachable parts for hand-held supports.  
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GENERAL GUIDELINES  
SECTION 1  
Follow this procedure for moving the wheelchair between floors when an elevator is  
NOT available:  
1. If equipped, turn the anti-tippers UP. Refer to SECTION 6 in this manual.  
2. After the wheelchair has been tilted back to the balance point, one assistant (in the  
rear) backs the wheelchair up against the first step, while securely grasping a non-  
removable (non-detachable) part of the wheelchair for leverage.  
3. The second assistant, with a firm hold on a non-detachable part of the framework,  
lifts the wheelchair up and over the stair and steadies it as the first assistant places  
one foot on the next stair and repeats procedure.  
4. The wheelchair should not be lowered until the last stair has been negotiated and it  
has been rolled away from the stairway.  
5. If equipped, turn the anti-tippers DOWN. Refer to SECTION 6 in this manual.  
ESCALATORS? SORRY!  
DO NOT use an escalator to move a wheelchair between floors. Serious  
bodily injury may occur.  
TRANSFERRING TO AND FROM OTHER SEATS  
WARNING  
BEFORE attempting to transfer in or out of the wheelchair, every precaution  
should be taken to reduce the gap distance. Turn both casters parallel to the  
object you are transferring onto. Also be certain the wheel locks are engaged  
to help prevent the wheels from moving.  
CAUTION  
When transferring, position yourself as far back as possible in the seat. This  
will prevent damaged upholstery and the possibility of the wheelchair  
tipping forward.  
NOTE: This activity may be performed independently provided you have adequate mobility and  
upper body strength.  
Position the wheelchair as close as  
possible along side the seat to which you  
are transferring, with the front casters  
parallel to it. Remove the armrest, if  
installed. Engage wheel locks. Shift body  
weight into seat with transfer.  
During independent transfer, little or no  
seat platform will be beneath you. Use a  
transfer board if at all possible.  
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SECTION 2  
SAFETY INSPECTION  
Section 2 - Safety Inspection - includes the following:  
Safety Inspection Checklist  
Troubleshooting  
Maintenance  
NOTE: Every six (6) months, take your wheelchair to a qualified technician for a thorough inspection  
and servicing. Regular cleaning will reveal loose or worn parts and enhance the smooth operation  
of your wheelchair. To operate properly and safely, your wheelchair must be cared for just like any  
other vehicle. Routine maintenance will extend the life and efficiency of your wheelchair. Clean  
upholstery with mild soap and water or spray disinfectant using a sponge. DO NOT use bleach or  
wash in a washing machine.  
SAFETY INSPECTION CHECKLIST  
Initial adjustments should be made to suit your personal body structure and preference.  
Thereafter follow these maintenance procedures:  
ITEM  
INITIALLY INSPECT/ INSPECT/  
ADJUST ADJUST  
INSPECT/  
ADJUST  
WEEKLY MONTHLY PERIODICALLY  
GENERAL  
Wheelchair rolls straight (no excessive drag/pull to one side).  
X
X
WHEEL LOCKS  
Do not interfere with tires when rolling.  
Pivot points free of wear and looseness.  
Wheel locks easy to engage.  
X
X
X
X
X
X
SEAT AND BACK UPHOLSTERY  
Inspect for rips or sagging.  
Inspect fastening flaps to ensure they securely latch.  
X
X
X
X
REAR WHEELS  
Quick release axles and camber inserts are clean.  
Adjustable Axle Position Camber Bar is securely tightened.  
Quick/Quad release axles lock properly.  
X
X
X
X
X
X
X
X
X
No excessive side movement or binding when lifted and spun.  
HANDRIMS  
Inspect for signs of rough edges or peeling.  
X
X
SPOKES  
Inspect for bent or broken spokes.  
All spokes uniformly tight.  
X
X
X
X
FRONT CASTER  
Inspect wheel/fork assembly for proper tension by spinning  
caster; caster should come to a gradual stop.  
Loosen/tighten locknut if wheel wobbles noticeably or binds  
to a stop.  
Wheel bearings are clean and free of moisture.  
CAUTION: As with any vehicle, the wheels and  
tires should be checked periodically for cracks and  
wear, and should be replaced if damaged.  
X
X
X
X
X
X
X
TIRES  
Inspect for flat spots and wear.  
X
X
X
X
If pneumatic tires check for proper inflation.  
CAUTION: As with any vehicle, the wheels and  
tires should be checked periodically for cracks and  
wear, and should be replaced if damaged.  
ELASTOMERS  
Inspect elastomers for proper lubrication.  
X
X
CLEANING  
Clean upholstery and armrests.  
X
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SAFETY INSPECTION  
SECTION 2  
TROUBLESHOOTING  
CHAIR CHAIR  
VEERS VEERS  
SLUGGISH  
TURN OR  
CASTER SQUEAKS LOOSENESS  
SOLUTIONS  
FLUTTERS  
AND  
IN CHAIR  
RIGHT LEFT PERFORMANCE  
RATTLES  
X
X
X
X
X
Check tires for correct  
and equal pressure.  
X
X
X
X
X
Check for loose stem nuts.  
Check spokes and nipples.  
X
X
X
Check that both casters  
contact the ground at the  
same time.  
MAINTENANCE  
MAINTENANCE SAFETY PRECAUTIONS  
WARNING  
After ANY adjustments, repair or service and BEFORE use, make sure all  
attaching hardware is tightened securely - otherwise injury or damage may  
result.  
CAUTION  
DO NOT overtighten hardware attaching to the frame. This could cause  
damage to the frame tubing.  
SUGGESTED MAINTENANCE PROCEDURES  
1. Before using your wheelchair, make sure all nuts and bolts are tight. Check all parts  
for damage or wear and replace. Check all parts for proper adjustment.  
2. Keep quick/quad-release axles free of dirt and lint to ensure positive locking and  
proper operation. Refer to ADJUSTING QUICK-RELEASE AXLES or ADJUSTING  
QUAD-RELEASE HANDLES in SECTION 5 of this manual.  
WARNING  
DO NOT use WD-40®, 3-in-1 oil®, or other penetrating lubricants on  
quick-release axles or camber inserts. Otherwise, binding and/or damage  
to the wheelchair may occur.  
3. Clean quick-release axles and camber inserts once (1) a week with a Teflon®  
lubricant.  
WARNING  
DO NOT use your wheelchair unless it has the proper tire pressure  
(p.s.i.).  
DO NOT overinflate the tires. Failure to follow these suggestions may  
cause the tire to explode and cause bodily harm. The recommended tire  
pressure is on the sidewall of the tire.  
4. Recommended tire pressure (p.s.i.) is listed on the sidewall of the tire.  
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SECTION 2  
SAFETY INSPECTION  
CAUTION  
As with any vehicle, the wheels and tires should be checked  
periodically for cracks and wear, and should be replaced if damaged.  
5. The wheels, casters and tires should be checked periodically for cracks and  
wear, and should be replaced when necessary. Contact a qualified technician or  
Invacare customer support at the telephone numbers on the back of this manual.  
6. Regularly check for loose spokes in the rear wheels. If loose, have them adjusted.  
Contact a qualified technician or Invacare customer support at the telephone  
numbers on the back of this manual.  
7. Periodically check handrims to ensure they are secured to the rear wheels.  
Refer to HANDRIM REPLACEMENT in SECTION 5 of this manual.  
8. Periodically adjust wheel locks as tires wear. Refer to WHEEL LOCK  
ADJUSTMENT/REPLACEMENT in SECTION 5 of this manual.  
9. Periodically check caster wheel bearings to make sure they are clean and free  
from moisture. Use a Teflon lubricant if necessary.  
10. Periodically lubricate the inside of the elastomers and the shaft of the hex bolt  
that secures the elastomers to the suspension tube with a silicone based  
lubricant.  
11. Check Upholstery for sagging, rips or tears.  
12. Clean Upholstery with mild soap and water.  
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BACK  
SECTION 3  
Section 3 - Back - includes the following:  
Back Angle Adjustment  
Folding/Unfolding the Back  
Adjusting/Replacing Back Upholstery  
Back Height Adjustment (Adjustable Backs Only)  
WARNING  
ALWAYS perform this procedure in the presence of an assistant. The  
position of the footrest, camber tube, back angle, the tautness of the back  
upholstery as well as the user's condition are directly related to the  
wheelchairs stability. Any change to one (1) or any combination of the  
five (5) may cause the wheelchair to decrease in stability. Use EXTREME  
caution when using a new seating position. The addition of anti-tippers  
may be required .  
After ANY adjustments, repair or service and BEFORE use, make sure all  
attaching hardware is tightened securely - otherwise injury or damage  
may result.  
BACK ANGLE ADJUSTMENT (FIGURE 1)  
NOTE: This procedure is for fold down back chairs only.  
NOTE: DO NOT remove the hex screws that secure the back angle bracket to the chair frame  
and back cane.  
NOTE: Perform procedure to both sides at the same time.  
1. Loosen the locknuts and hex screws that secure the back angle bracket to the chair  
frame and the back cane.  
2. Loosen the TOP hex screw locknut and slide the TOP hex screw away from the  
back angle mounting bracket to adjust the cam.  
3. Adjust back canes to approximate back angle required.  
4. Adjust cam to achieve desired position.  
NOTE: An indexing notch has been put on the adjustment cam to help determine cam position  
for desired back angle adjustment.  
5. Reassemble and torque hex screws to 960-1020 inch-pounds (80-85 foot-pounds).  
NOTE: As shown in FIGURE 1, the adjustment cam can be rotated to several different positions  
thus changing the overall back angle relative to the seat rail.  
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SECTION 3  
BACK  
94° BACK ANGLE TO SEAT RAIL  
90° BACK ANGLE TO SEAT RAIL  
Back Cane  
Back  
Cane  
Indexing Notch  
Indexing Notch  
TOP Hex  
Screw and  
Locknut  
TOP Hex  
Screw and  
Locknut  
Cam  
Back Angle Bracket  
Back Angle  
Cam  
Bracket  
Seat Rail  
Seat Rail  
85° BACK ANGLE TO SEAT RAIL  
84° BACK ANGLE TO SEAT RAIL  
Back Cane  
Back Cane  
Indexing Notch  
Indexing Notch  
TOP Hex  
Screw and  
Locknut  
TOP Hex Screw and  
Locknut  
Cam  
Back Angle  
Bracket  
Cam  
Back Angle Bracket  
Seat Rail  
Seat Rail  
77° BACK ANGLE TO SEAT RAIL  
73° BACK ANGLE TO SEAT RAIL  
Back Cane  
Indexing  
Back Cane  
Indexing Notch  
Notch  
TOP Hex  
Screw and  
Locknut  
TOP Hex Screw and  
Locknut  
Back Angle  
Cam  
Cam  
Bracket  
Back Angle Bracket  
Seat Rail  
Seat Rail  
FIGURE 1 - BACK ANGLE ADJUSTMENT  
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BACK  
SECTION 3  
FOLDING/UNFOLDING THE BACK (FIGURE 2)  
NOTE: This procedure is for folding back chairs only.  
WARNING  
Back MUST be locked securely in place before using the chair.  
1. Lift up on the back and pull towards the rear of the chair until it locks into place.  
2. To fold the back, pull up on the black nylon cord and push the back forward  
Back Cane  
Seat Frame  
FIGURE 2 - FOLDING/UNFOLDING THE BACK  
ADJUSTING/REPLACING BACK UPHOLSTERY  
TOP END BACK UPHOLSTERY (FIGURE 3)  
WARNING  
The back flaps and center upholstery MUST be replaced if hook and loop  
fastener is worn or DOES NOT secure the flaps to the back center upholstery.  
If hook and loop fastener is NOT secure, serious injury may result.  
Adjusting Top End Back Upholstery.  
1. Unlatch the two (2) fastening flaps that secure the top of the back upholstery to the  
back canes.  
2. Align the top of the back upholstery with the fastening flaps ensuring the top of the  
back upholstery is even with the top of the back canes.  
3. Adjust to the desired tautness.  
TIGHTER back upholstery will increase the stability and maintain normal maneuverability  
of the wheelchair because the user is pushed forward in the wheelchair slightly.  
LOOSER back upholstery will increase the maneuverability and make the wheelchair  
more unstable because additional weight is being distributed onto the rear wheels.  
4. Securely latch back upholstery to the fastening flaps.  
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SECTION 3  
BACK  
Replacing Top End Back Upholstery.  
1. Unlatch the two (2) fastening flaps that secure the top of the back upholstery to the  
back canes.  
2. Remove the fastening flaps from the back canes by lifting straight up.  
3. Remove the seat cushion.  
4. Separate the bottom of the back upholstery from either the underside or top of the  
seat upholstery (depending on back style).  
5. Install the NEW fastening flaps onto the back canes.  
NOTE: The fastening flap with logo is for the left back cane.  
NOTE: Right and left is determined by sitting in the wheelchair.  
6. Securely latch the bottom of the back upholstery to the fasteners on either the  
underside or top of the seat upholstery (depending on back style).  
7. Adjust the NEW back upholstery to the desired tautness. Refer to ADJUSTING  
TOP END BACK UPHOLSTERY in this section of the manual.  
Back Upholstery  
Fastening Flap  
Fastening  
Flap with  
Logo  
Seat  
Upholstery  
Bottom of Back  
Upholstery  
Wheelchair  
Frame  
FIGURE 3 - ADJUSTING/REPLACING BACK UPHOLSTERY -  
TOP END BACK UPHOLSTERY  
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BACK  
SECTION 3  
CUSTOM MANUAL ADJUSTABLE TENSION BACK  
UPHOLSTERY (FIGURE 4)  
The Adjustable Tension Straps.  
The straps can be adjusted at various levels of tension to accommodate individual end-users.  
The bottom two (2) straps can be adjusted tightly to support and/or assist the extensor  
muscles.  
The Back Upholstery Cover.  
The back upholstery cover is designed for three (3) reasons:  
1. It is a modesty cover.  
2. It keeps the cushion from sliding out of the back of the wheelchair.  
3. It is a sacral support depending upon how far or tight the flap is pulled under the  
seat cushion.  
Replacing Adjustable Tension Back Upholstery.  
1. Remove the back height adjustment screws that secure the back canes to the back uprights.  
2. Slide the back canes out of the back uprights.  
3. Remove the two (2) screws and washers that secure the EXISTING back upholstery  
to the back canes.  
4. Slide the EXISTING back upholstery down and off the back canes.  
5. Stand behind the wheelchair and perform the following:  
A. Slide anchor loop section of adjustable tension back upholstery up onto the LEFT  
back cane with the upper grommet hole facing the rear of the wheelchair.  
B. Slide adjuster strap section of adjustable tension back upholstery up onto the  
RIGHT back cane with the upper grommet hole facing the rear of the wheelchair.  
6. Align the mounting hole in each back cane with the desired mounting hole in each  
back upright.  
NOTE: Both back canes should be adjusted to the same height.  
7. Install the two (2) back height adjustment screws through the back upright mounting  
holes determined in STEP 6 and the back cane mounting holes.  
8. Slip adjuster straps through corresponding anchor loops and adjust the back  
upholstery. Secure with the fastening straps.  
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SECTION 3  
BACK  
WARNING  
After the adjustable tension back upholstery has been positioned to the  
end-users individual needs, the fastening straps MUST be securely  
fastened BEFORE applying the back upholstery cover. The adjustable  
back should be checked whenever entering the wheelchair to ensure that  
the fastening straps are securely fastened.  
9. Secure the back upholstery cover (fastening strap) to the back of the adjustable back  
upholstery (fastening strap).  
10. Flip the back upholstery cover over the adjustable back upholstery and secure the  
fastening straps to the front of the adjustable back upholstery.  
11. Lay the front portion of the back upholstery cover on the seat pan.  
12. Adjust the slack in the back upholstery cover and then secure to the seat pan fasten-  
ing straps.  
Fastening Strap  
Back Upholstery Cover  
Fastening Straps  
Back Cane  
Adjuster Strap  
Back  
Upright  
Anchor  
Loop  
Back  
Cane  
Back Height  
Adjustment Screw  
Upper  
Grommet  
Hole  
Back Upholstery  
Anchor Loop Section  
Mounting Screw  
Back Upholstery Adjuster Strap Section  
FIGURE 4 - ADJUSTING/REPLACING BACK UPHOLSTERY - CUSTOM  
MANUAL ADJUSTABLE TENSION BACK UPHOLSTERY  
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BACK  
SECTION 3  
BACK HEIGHT ADJUSTMENT (ADJUSTABLE BACKS ONLY)  
(FIGURE 5)  
NOTE: Observe the tautness of the back upholstery for reinstallation.  
1. Unlatch the two (2) fastening flaps that secure the top of the back upholstery to the  
back canes and remove from the back canes.  
WARNING  
Push pin MUST be protruding through hole in back cane.  
Ensure that both back cane inserts are at the same height BEFORE reas-  
sembling the wheelchair.  
2. Press the push pin on the back cane insert tube in and adjust the back height to one  
(1) of four (4) heights depending on original back height:  
ORIGINAL BACK HEIGHT (IN INCHES)  
HOLE NUMBER*  
11-14  
11  
12  
14-18  
14  
15  
16-20  
16  
17  
1
2
3
13  
16  
18  
4
14  
17  
19  
**  
15  
18  
20  
*NOTE: Holes are numbered from bottom to top for reference only. (There are no numbers on  
the back canes.)  
** NOTE: There is a 1-inch adjustment pin on the back cane insert tube. To raise back to the  
maximum height, first make adjustment to the back cane inserts.  
3. Reinstall the fastening flaps onto the back canes.  
NOTE: The fastening flap with logo is for the left back cane.  
NOTE: Right and left is determined by sitting in the wheelchair.  
4. Adjust the NEW back upholstery to the desired tautness. Refer to ADJUSTING/  
REPLACING BACK UPHOLSTERY in this section of the manual.  
HOLE  
NUMBER  
Back  
Cane  
4
3
2
1
FIGURE 5 - BACK HEIGHT ADJUSTMENT - (ADJUSTABLE BACKS ONLY)  
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SECTION 4  
SEAT  
Section 4 - Seat - includes the following:  
Replacing Top End Seat Upholstery  
Replacing Custom Manual Screw On Seat Upholstery  
WARNING  
After ANY adjustments, repair or service and BEFORE use, make sure all  
attaching hardware is tightened securely - otherwise injury or damage  
may result.  
REPLACING TOP END SEAT UPHOLSTERY (FIGURE 1)  
WARNING  
The seat upholstery and/or cushion MUST be cleaned regularly and/or  
replaced if incontinence is frequent. The risk of pressure sores is signifi-  
cantly higher with seat upholstery that is wet and/or soiled.  
1. Remove the seat cushion and back upholstery from the wheelchair.  
2. Place the wheelchair onto its two (2) rear wheels.  
3. Unlatch the five (5) fastening flaps that secure the seat upholstery to the wheelchair  
frame.  
4. Remove the existing seat upholstery.  
5. Place the wheelchair back onto all four (4) wheels.  
6. Install the NEW seat upholstery making  
Fastening  
Flaps  
sure the five (5) fastening flaps hang  
over the right and left sides of the  
wheelchair frame.  
NOTE: The seat upholstery MUST be posi-  
tioned with the three (3) double-sided fasten-  
ing flaps towards the rear of the wheelchair  
for proper installation of the back upholstery.  
Seat Upholstery  
Double-sided  
Fastening Flaps  
Wheelchair  
Frame  
NOTE: Make sure the rear retaining flap is  
BETWEEN the wheelchair frame and the back  
cane support brackets (adjustable backs only).  
NOTE: Right and left is determined by sitting  
in the wheelchair.  
7. Insert the front fastening flaps through  
the slots on the right and left sides on  
the underside of the wheelchair frame  
and securely latch together.  
FIGURE 1 - REPLACING TOP END  
SEAT UPHOLSTERY  
8. Place the wheelchair onto its two (2)  
rear wheels.  
9. Securely latch the four (4) remaining fastening flaps together.  
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SEAT  
SECTION 4  
REPLACING CUSTOM MANUAL SCREW ON  
SEAT UPHOLSTERY (FIGURE 2)  
1. Remove the seat cushion from the wheelchair.  
2. Remove the twelve (12) phillips screws that secure the existing seat upholstery to  
the seat frame.  
3. Remove the existing seat upholstery.  
Phillips  
Screws  
Seat  
Upholstery  
Seat Frame  
NOTE: Wheelchair frame not shown for clarity.  
FIGURE 2 - REPLACING CUSTOM MANUAL SCREW ON  
SEAT UPHOLSTERY  
Part No. 1052712 Rev D  
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SECTION 5  
WHEELS  
Section 5 - Wheels - includes the following:  
Removing/Installing Rear Wheels  
Adjusting Quick-Release Axles  
Installing Quad-Release Axles  
Adjusting Quad-Release Handles  
Handrim Replacement  
Repairing/Replacing Rear Wheel, Tire/Tube  
Opening/Closing Clamps  
Adjusting Rear Wheel Camber  
Determining Toe in/Toe out  
Adjusting Toe in/Toe out  
Adjusting Wheelbase Length (Adjusting Center of Gravity)  
Adjusting Wheelbase Width  
Replacing Axle Tube  
Adjusting the Axle Tube  
Replacing Adjusting Casters  
Adjusting Front Caster Height  
Wheel Lock Adjustment/Replacement  
WARNING  
After ANY adjustments, repair or service and BEFORE use, make sure all  
attaching hardware is tightened securely - otherwise injury or damage  
may result.  
REMOVING/INSTALLING REAR WHEELS (FIGURE 1)  
CAUTION  
Changing the size of the rear wheels can affect the performance of the  
wheelchair. Contact Invacare at the telephone numbers on the back of  
this manual BEFORE changing rear wheel size.  
1. Perform one (1) of the following:  
QUICK-RELEASE - Push in the tip of the quick-release axle and pull axle and  
wheel away from the wheelchair.  
QUAD-RELEASE - Lift UP on the handle of the quad-release axle and pull axle  
and wheel away from the wheelchair.  
2. Repeat STEP 1 for the opposite rear wheel.  
3. Reinstall the rear wheels onto the wheelchair by reversing STEPS 1-2.  
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WHEELS  
SECTION 5  
WARNING  
Pull on the rear wheel to make sure the detent pin and locking pins of the  
quick/quad-release axle are fully released BEFORE operating wheelchair.  
Keep locking pins clean.  
4. If there is too much movement of the rear wheel assembly in a back and forth motion,  
refer to ADJUSTING QUICK-RELEASE AXLES or ADJUSTING QUAD-RELEASE  
HANDLES in this section of the manual.  
Locking Pins  
Wheelchair  
Quick-Release  
Frame  
Axle  
Detent Pin  
Rear Wheel  
NOTE: Quad-Release Axle not shown. Locking pins the same as Quick-Release Axle.  
FIGURE 1 - REMOVING/INSTALLING REAR WHEELS  
ADJUSTING QUICK-RELEASE AXLES (FIGURE 2)  
1. Remove rear wheel and quick-release axle from the wheelchair. Refer to  
REMOVING/INSTALLING REAR WHEELS in this section of the manual.  
2. Depress detent pin in the quick-release axle and slide axle through the wheel hub.  
3. Release detent pin ensuring that the locking pins are fully released.  
4. Increase or decrease end play by adjusting the locknut on the end of the  
quick-release axle.  
5. Reinstall rear wheel onto the wheelchair. Refer to REMOVING/INSTALLING REAR  
WHEELS in this section of the manual.  
Adjustable Axle Position  
Camber Bar  
Locknut  
Locking Pins  
Detent Pin  
NOTE: End of Quick  
Release axle is shown for  
reference only. It is not  
visible when inserted into  
camber bar  
Wheel Hub  
Quick Release Axle  
FIGURE 2- ADJUSTING QUICK-RELEASE AXLES  
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SECTION 5  
WHEELS  
INSTALLING QUAD-RELEASE AXLES (FIGURE 3)  
1. Remove rear wheel and the existing quick-release axle from the wheelchair. Refer  
to REMOVING/INSTALLING REAR WHEELS in this section of the manual.  
2. Remove existing quick-release axle from rear wheel.  
3. Insert new quad-release axle through  
rear wheel hub.  
Adjustable Axle  
Position Camber  
Bar  
Allen Screw  
Quad  
Release  
Axle  
4. Slide locking collar onto quad-release  
axle until it is snug against rear wheel  
and tighten securely with allen screw.  
5. Reinstall rear wheel and the quad-  
release axle onto the wheelchair.  
Refer to REMOVING/INSTALLING  
REAR WHEELS in this section of the  
manual.  
Locking  
Collar  
Rear Wheel Hub  
NOTE: End of Quad Release axle shown for  
reference only. It is not visible when inserted  
into camber bar  
6. Flip the handle of the quad-release axle  
down to release the detent pin  
ensuring that the locking pins are fully  
released.  
FIGURE 3 - INSTALLING QUAD-  
RELEASE AXLES  
7. If detent pin does not fully release, proceed to ADJUSTING QUAD-RELEASE  
HANDLE IN AND/OR OUT in this section of the manual.  
8. Repeat STEPS 1-7 for the opposite rear wheel.  
ADJUSTING QUAD-RELEASE HANDLES (FIGURE 4)  
IN AND/OR OUT  
ADJUSTING  
1. Remove rear wheel and the quad-  
release axle from the wheelchair. Refer  
to REMOVING/INSTALLING REAR  
WHEELS in this section of the manual.  
QUAD-RELEASE  
HANDLE IN/AND  
OR OUT  
Locking Pins  
Quad Release  
Handle  
2. Loosen the locking screw.  
Camber Bar  
3. Make the following adjustments:  
Locking  
Screw  
If the quad-release handle is not  
releasing the locking pins  
completely, rotate the  
quad-release handle approximately  
one-quarter (1/4) turn  
CLOCKWISE.  
REMOVING  
PLAY FROM  
Length  
Adjustment  
Screw  
If the quad-release handle hits the spokes  
of the rear wheel when assembled, rotate  
the quad-release handle approximately  
one-quarter (1/4) turn  
REAR  
WHEELS  
Adjusting Locknut  
(on Quick-Release  
Axle)  
FIGURE 4 - ADJUSTING QUAD-  
RELEASE HANDLES  
COUNTERCLOCKWISE.  
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WHEELS  
SECTION 5  
4. Tighten the locking screw.  
5. Reinstall the rear wheel and quad-release axle onto the wheelchair. Refer to  
REMOVING/INSTALLING REAR WHEELS in this section of the manual.  
6. Flip the handle of the quad-release axle down to release the detent pin ensuring that  
the locking pins are fully released.  
7. Repeat the above procedures until the quad-release axle locks correctly.  
REMOVING PLAY FROM REAR WHEELS  
NOTE: The adjusting locknut on the quick-release axles originally performed this function.  
1. With the rear wheel and quad-release axle still mounted onto the wheelchair, make  
the following adjustment:  
Tighten the length adjusting screw until there is no in and out movement of  
the quad-release axle and rear wheel.  
HANDRIM REPLACEMENT (FIGURE 5)  
1. Remove the rear wheel from the wheelchair. Refer to REMOVING/INSTALLING  
REAR WHEELS in this section of the manual.  
WARNING  
Tire MUST be FULLY deflated BEFORE any disassembly procedures are  
performed. Otherwise injury or damage may result.  
2. Remove all air from the tube by pressing down on the pin in the center of the valve  
stem.  
3. While carefully holding the tire, tube and rim strip to one side, hold the allen screws  
and remove the locknuts that secure the handrim to the rear wheel.  
4. Remove the EXISTING handrim.  
5. Install NEW handrim by reversing STEPS 2-4.  
WARNING  
DO NOT inflate tire until it is completely assembled. Otherwise injury or  
damage may result.  
6. Inflate tire to correct psi rating on the  
Allen Screw  
sidewall of tire.  
7. Reinstall rear wheel to the wheelchair.  
Refer to REMOVING/INSTALLING  
REAR WHEELS in this section of the  
Handrim  
manual.  
Locknut  
8. Repeat STEPS 1-7 for opposite rear  
wheel if necessary.  
FIGURE 5 - HANDRIM  
REPLACEMENT  
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SECTION 5  
WHEELS  
REPAIRING/REPLACING REAR WHEEL, TIRE/TUBE  
WARNING  
Replacement of the tire or tube MUST be performed by a qualified  
technician.  
CAUTION  
Changing the size of the rear wheels can affect the performance of the  
wheelchair. Contact Invacare at the numbers on the back cover BEFORE  
performing this procedure.  
NOTE: If replacing rear wheels with a different size than what was originally on the wheelchair,  
the front caster height must also be changed to keep the wheelchair frame parallel to the floor.  
Refer to ADJUSTING CASTER HEIGHT in this section of the manual ONLY after contacting  
Invacare. Anti-tipper height (if applicable) must also be adjusted to maintain 1-1/2 to 2-inch  
clearance between bottom of the anti-tipper wheels and the floor. Refer to ANTI-TIPPER  
REPLACEMENT/ADJUSTMENT in SECTION 6 of this manual.  
OPENING/CLOSING CLAMPS (FIGURE 6)  
WARNING  
QUICK RELEASE LEVERS - Make sure the quick release levers are in the  
CLOSED position BEFORE using the wheelchair, otherwise personal  
injury or damage to the wheelchair may result.  
WARNING  
STANDARD CAMBER OR RECEIVER TUBE CLAMPS - Make sure the  
hex screws and locknuts are securely tightened BEFORE using the  
wheelchair, otherwise personal injury or damage to the wheelchair  
may result.  
CAUTION  
DO NOT close the quick release levers or tighten the hex screws and  
locknuts without camber inserts in the axle tube. Damage to the axle  
tube will occur.  
CAMBER CLAMPS  
1. Perform one (1) of the following to open a camber clamp:  
A. QUICK RELEASE LEVERS - Pull the quick release lever to the open position.  
B. STANDARD CAMBER CLAMPS - Loosen, but do not remove the hex  
screw and locknut on the camber clamp.  
2. Perform one (1) of the following to close a camber clamp:  
A. QUICK RELEASE LEVERS - Tighten the threaded knob to secure the quick  
release lever. Push the quick release lever on the camber clamps to the closed  
position.  
B. STANDARD CAMBER CLAMPS - Securely tighten the hex screw and  
locknut to secure the axle tube.  
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WHEELS  
SECTION 5  
RECEIVER TUBE CLAMPS  
1. Perform one (1) of the following to open a receiver tube clamp:  
A. QUICK RELEASE LEVERS - Pull the quick release levers on the receiver  
tube clamps to the open position.  
B. STANDARD RECEIVER TUBE CLAMPS - Loosen, but do not remove the  
hex screws and locknuts on the receiver tube clamps.  
2. Perform one (1) of the following to close a receiver tube clamp:  
A. QUICK RELEASE LEVERS - Tighten the threaded knob to secure the quick  
release lever. Push the quick release lever on the receiver tube clamps to the  
closed position.  
B. STANDARD RECEIVER TUBE CLAMPS - Tighten the hex screw and  
locknut on the receiver tube clamp. Torque to 75 in./lbs.  
CAMBER CLAMPS  
QUICK RELEASE LEVER  
STANDARD  
CLOSED  
POSITION  
Quick Release  
OPEN  
POSITION  
Hex Screw  
and Locknut  
Lever  
RECEIVER TUBE CLAMPS  
QUICK RELEASE LEVER  
CLOSED POSITION  
STANDARD  
Quick  
Release Lever  
Hex Screw  
Locknut  
Threaded Knob  
OPEN POSITION  
FIGURE 6 - OPENING/CLOSING CLAMPS  
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SECTION 5  
WHEELS  
ADJUSTING REAR WHEEL CAMBER  
CAMBER TUBE 2000  
The axle tube must be replaced to change the camber. Refer to REPLACING AXLE  
TUBE in this section of the manual.  
A4 CAMBER SYSTEM (FIGURE 7)  
Rear View of Wheelchair  
NOTE: Perform this procedure to one (1) side of  
the wheelchair at a time for ease of adjustment.  
Axle Tube  
Camber Insert -  
Rotate 180o  
1. Open the camber clamp. Refer to  
OPENING/CLOSING CLAMPS in this  
section of the manual.  
Indexing Ring  
Indexing Marks  
Camber  
Clamp  
2. Pull one (1) rear wheel with camber  
insert out of axle tube.  
3. Remove the rear wheel from the  
camber insert.  
4. Rotate the camber insert 180o.  
FIGURE 7 - ADJUSTING REAR  
WHEEL CAMBER -  
5. Reinstall the rear wheel into the  
camber insert.  
A4 CAMBER SYSTEM  
WARNING  
NEVER position the camber inserts in the axle tube with more than 3-  
inches (12 indexing marks showing) of the camber insert outside of the axle  
tube. The camber inserts will not be securely tightened in the axle tube  
resulting in possible injury to the user and/or damage to the wheelchair.  
6. Position the camber insert to the desired position. Make sure there is no more than  
3-inches (12 indexing marks) of the camber inserts outside of the axle tube.  
7. Slide the indexing ring on the camber insert until it is flush with the camber clamp.  
NOTE: Before using the wheelchair, make sure both camber inserts are set to the same indexing mark.  
This will make sure the distance between the rear wheel and the wheelchair is the same on both sides.  
WARNING  
QUICK RELEASE LEVERS - Make sure the quick release levers are pointing  
towards the rear of the wheelchair and are in the CLOSED position BEFORE  
using the wheelchair, otherwise personal injury or damage to the wheelchair  
may result.  
STANDARD - Make sure the hex screws and locknuts are securely tightened  
BEFORE using the wheelchair, otherwise personal injury or damage to the  
wheelchair may result.  
8. Close the camber clamp. Refer to OPENING/CLOSING CLAMPS in this section of  
the manual.  
9. Repeat STEPS 1-8 for opposite side of wheelchair.  
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WHEELS  
SECTION 5  
10. Reinstall rear wheel to the wheelchair. Refer to REMOVING/INSTALLING REAR  
WHEELS in this section of the manual.  
11. Adjust toe in/toe out of wheelchair. Refer to ADJUSTING TOE IN/TOE OUT in this  
section of the manual.  
DETERMINING TOE IN/TOE OUT (FIGURES 8 AND 9)  
1. Inflate all pneumatic tires to recommended tire pressures (p.s.i.)(listed on the sidewall of the  
tire).  
2. Measure the distance between the centerlines at the rear and front of the rear  
wheels at approximately 12-inches from the ground/floor (FIGURE 8).  
NOTE: For optimum accuracy, perform STEP 2 with the wheelchair occupied.  
3. Determine difference between two (2) measurements. If difference between the two  
(2) measurements is GREATER than 1/2-inch (0 + 1/4-inch for maximum  
rollability), one (1) of two (2) conditions exists:  
A. If the back centerline measurement of the rear wheels is SMALLER than the  
front centerline measurement of the rear wheels, a TOE-OUT condition  
exists (FIGURE 9).  
B. If the back centerline measurement of the rear wheels is LARGER than the front  
centerline measurement of the rear wheels, a TOE-IN condition exists (FIGURE 9).  
4. If the difference between the measurements is greater than 1/2-inch, correct the  
toe-in/toe-out condition. Refer to ADJUSTING TOE-IN/TOE-OUT in this section of  
the manual.  
Front of Wheelchair  
Front of Wheelchair  
Toe-out  
12-inches  
Toe-in  
Top View of  
Wheelchair  
Top View of  
Wheelchair  
Rear of  
Wheelchair  
Smaller Than  
Front  
Larger Than Front  
Centerlines of Rear Wheels  
FIGURE 9 - DETERMINING TOE IN/  
TOE OUT - COMPARING  
CENTERLINE MEASUREMENTS OF  
REAR WHEELS  
FIGURE 8 - DETERMINING TOE IN/  
TOE OUT - MEASURING  
CENTERLINES OF REAR WHEELS  
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SECTION 5  
WHEELS  
ADJUSTING TOE IN/TOE OUT  
CAMBER TUBE 2000 (FIGURE 10)  
1. Open the camber clamps. Refer to  
OPENING/CLOSING CLAMPS in this  
section of the manual.  
Camber Tube - Rotates Up and Down  
2. Slowly rotate the camber tube in  
either direction until the rear wheels  
are approximately in a straight line.  
Camber Clamps  
3. Close the camber clamps. Refer to  
FIGURE 10 - ADJUSTING TOE IN/  
TOE OUT - CAMBER BAR 2000  
OPENING/CLOSING CLAMPS in this  
section of the manual.  
4. Measure the distance between the center lines at the rear and front of the rear  
wheels at approximately 12-inches from the ground/floor. Refer to DETERMINING  
TOE IN/TOE OUT in this section of the manual.  
5. Repeat STEPS 1-4 until the toe in/toe out measurement is less than 1/2-inch (0 + 1/4-inch  
for maximum rollability).  
A4 CAMBER SYSTEM  
Course Adjustment (FIGURE 11).  
NOTE: This procedure is required any time the axle tube is moved from the factory set position or  
is replaced.  
NOTE: Make the following adjustment for one (1) camber at a time.  
1. Open the camber clamps. Refer to OPENING/CLOSING CLAMPS in this section of  
the manual.  
2. Loosen the phillips screws that secure the adjustment rings to the axle tube.  
3. Slowly rotate the axle tube until the rear wheels are approximately in a straight line.  
WARNING  
QUICK RELEASE LEVERS - Make sure the quick release levers are  
pointing towards the rear of the wheelchair and are in the CLOSED  
position BEFORE using the wheelchair, otherwise personal injury or  
damage to the wheelchair may result.  
WARNING  
STANDARD - Make sure the hex screws and locknuts are securely  
tightened BEFORE using the wheelchair, otherwise personal injury or  
damage to the wheelchair may result.  
4. Close the camber clamp. Refer to OPENING/CLOSING CLAMPS in this section of  
the manual.  
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WHEELS  
SECTION 5  
5. Measure the distance between the center lines at the rear and front of the rear  
wheels at approximately 12-inches from the ground/floor. Refer to  
DETERMINING TOE IN/TOE OUT in this section of the manual.  
6. Repeat STEPS 1-4 until the toe in/toe out measurement is less than 1/2-inch (0 + 1/  
4-inch for maximum rollability).  
7. Rotate either the right or left adjustment ring until the stop on the ring is at the top  
of the slot in the camber clamp as shown in FIGURE 11 and securely tighten the  
phillips screw on the positioned adjustment ring.  
NOTE: DO NOT tighten the phillips screw on the other adjustment ring at this time.  
NOTE: Repeat STEPS 1-7 of this procedure for the other adjustment ring AFTER repositioning the  
camber insert. Refer to ADJUSTING REAR WHEEL CAMBER in this section of the manual.  
NOTE: When positioning the other adjustment ring, rotate the ring until the stop is at the bottom of  
the slot in the camber clamp. The right and left stops MUST be positioned opposite of each other or  
the FINE ADJUSTMENT in this section of the manual will not work correctly.  
NOTE: When the left adjustment ring is adjusted to a camber, the right adjustment ring will not  
touch the camber clamp and when the right adjustment ring is adjusted to the other camber the  
left adjustment ring will not touch the camber clamp.  
NOTE: Rear wheels removed from the drawings  
for clarity, There is no need to remove rear  
wheels from the wheelchair during adjustment.  
Axle Tube - Rotates Up and Down  
NOTE: Below are two (2) examples of how the  
adjustment rings can be positioned.  
Adjustment Ring  
Phillips Screw  
Adjustment Ring  
Stop - Not touching  
camber clamp  
Stop - In position for  
one (1) camber,  
touching camber clamp  
Phillips Screw  
Camber Clamp  
Camber Clamp  
Adjustment Ring  
Adjustment Ring  
Stop - In position for  
one (1) camber,  
touching camber clamp  
Stop - Not touching  
camber clamp  
FIGURE 11 - ADJUSTING TOE IN/TOE OUT - A4 CAMBER SYSTEM -  
COURSE ADJUSTMENT  
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SECTION 5  
WHEELS  
Fine Adjustment (FIGURE 12).  
NOTE: This adjustment is required any time the camber insert is repositioned.  
1. Open the camber clamp. Refer to OPENING/CLOSING CLAMPS in this section of  
the manual.  
2. Slowly rotate the axle tube until the stop on the opposite adjustment ring is  
positioned at the opposite end of the camber clamp.  
WARNING  
QUICK RELEASE LEVERS - Make sure the quick release levers are pointing  
towards the rear of the wheelchair and are in the CLOSED position BEFORE  
using the wheelchair, otherwise personal injury or damage to the wheelchair  
may result.  
STANDARD - Make sure the hex screws and locknuts are securely  
tightened BEFORE using the wheelchair, otherwise personal injury or  
damage to the wheelchair may result.  
3. Close the camber clamp. Refer to OPENING/CLOSING CLAMPS in this section of  
the manual.  
NOTE: Rear wheels removed from the drawings  
for clarity, there is no need to remove rear wheels  
from the wheelchair during adjustment.  
NOTE: Below is one (1) example of how the  
adjustment rings can be positioned.  
Axle Tube - Rotates Up  
and Down  
Adjustment Ring  
Phillips Screw  
Adjustment Ring  
Stop - Not touching  
camber clamp  
Stop - In position for one  
(1) camber, touching  
camber clamp  
Phillips Screw  
Camber Clamp  
Camber Clamp  
Adjustment Ring  
Adjustment Ring  
Stop - In position for one  
(1) camber, touching  
camber clamp  
Stop - Not touching  
camber clamp  
FIGURE 12 - ADJUSTING TOE IN/TOE OUT - A4 CAMBER SYSTEM - FINE  
ADJUSTMENT  
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WHEELS  
SECTION 5  
ADJUSTING WHEELBASE LENGTH (ADJUSTING CENTER  
OF GRAVITY) (FIGURE 13)  
WARNING  
ALWAYS perform this procedure in the presence of an assistant. The position of  
the footrest, camber tube, back angle, the tautness of the back upholstery as well  
as the user's condition are directly related to the wheelchairs stability. Any  
change to one (1) or any combination of the five (5) may cause the wheelchair to  
decrease in stability. Use EXTREME caution when using a new seating position.  
The addition of anti-tippers may be required .  
1. Open the receiver tube clamps. Refer to OPENING/CLOSING CLAMPS in this section of the  
manual.  
WARNING  
LENGTHENING THE WHEELBASE - NEVER position the camber system with  
the end of the indexing tape (approximately 4-inches) of suspension tube  
showing. The suspension tubes WILL NOT be securely tightened in the  
wheelchair frame resulting in possible injury to the user and/or damage to the  
wheelchair. Refer to FIGURE 13.  
2. Position the camber system to the desired position on the wheelchair frame.  
LENGTHENING THE WHEELBASE will increase the stability and maintain standard  
maneuverability of the wheelchair. Make sure the end of the indexing tape is not showing.  
SHORTENING THE WHEELBASE will decrease the stability, increase the  
maneuverability and distribute additional weight onto the rear wheels.  
NOTE: The performance of the wheelchair will be affected if the two (2) suspension tubes are not set to the  
same indexing mark. Refer to FIGURE 13.  
WARNING  
QUICK RELEASE LEVERS - Make sure the quick release levers are  
pointing towards the inside of the wheelchair and is in the CLOSED  
position BEFORE using the wheelchair, otherwise personal injury or damage to  
the wheelchair may result.  
STANDARD - Make sure the hex screws and locknuts are securely  
tightened BEFORE using the wheelchair, otherwise personal injury or damage to  
the wheelchair may result.  
3. Close the receiver tube clamps. Refer to OPENING/CLOSING CLAMPS in this procedure of  
the manual.  
4. Roll the wheelchair before using to make sure there is no excessive drag to either side.  
NOTE: If drag to either side occurs, refer to DETERMINING TOE IN/TOE OUT in this section of the manual.  
NEVER OPERATE THE  
WHEELCHAIR WITH BOTH  
ENDS OF THE INDEXING  
TAPE SHOWING.  
Indexing Marks (MUST be  
set to Same Mark on  
BOTH Suspension Tubes)  
FIGURE 13 - ADJUSTING WHEELBASE LENGTH  
(ADJUSTING CENTER OF GRAVITY)  
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SECTION 5  
WHEELS  
ADJUSTING WHEELBASE WIDTH  
NOTE: Perform this procedure one (1) side of the wheelchair at a time for ease of adjustment.  
CAMBER TUBE 2000 (FIGURE 14)  
NOTE: The wheelbase width can be increased/decreased by 1-inch.  
1. Remove the rear wheels. Refer to  
Axle Nut  
REMOVING/INSTALLING REAR  
Threads  
WHEELS in this section of the manual.  
Axle Bolt  
2. Torque the axle nut to increase/decrease  
the wheelbase width.  
FIGURE 14- ADJUSTING  
WHEELBASE WIDTH - CAMBER  
TUBE 2000  
3. Count the number of threads showing on  
the axle bolt.  
NOTE: The number of threads showing on the axle bolt should be equal on both sides of the wheelchair.  
Otherwise,wheelchair performance may be affected.  
4. Repeat STEPS 2-3 for the opposite axle nut and axle bolt.  
NOTE: Axle bolt removed from axle tube for clarity. It is not necessary to remove the axle bolt for this procedure.  
A4 CAMBER SYSTEM (FIGURE 15)  
1. Open the camber clamp. Refer to  
Indexing Marks  
Indexing Ring  
OPENING/CLOSING CLAMPS in this  
section of the manual.  
Axle  
Tube  
WARNING  
NEVER position the camber inserts in  
the axle tube with more than 3-inches  
(12 indexing marks showing) of the  
camber insert outside of the axle tube.  
The camber inserts will not be securely  
tightened in the axle tube resulting in  
possible injury to the user or damage  
to the wheelchair.  
Camber Insert  
Camber Clamp  
FIGURE 15 - ADJUSTING  
WHEELBASE WIDTH - A4  
CAMBER SYSTEM  
2. Position camber insert to the desired position. Make sure there is no more than 3-inches (12  
indexing marks showing) of the camber inserts outside of the axle tube.  
3. Slide the indexing ring on the camber insert until it is flush with the camber clamp.  
NOTE: Before using the wheelchair, make sure both camber inserts are set at the same indexing mark. This will  
make sure the distance between the rear wheel and the wheelchair is the same on both sides.  
WARNING  
QUICK RELEASE LEVERS - Make sure the quick release levers are pointing  
towards the rear of the wheelchair and are in the CLOSED position BEFORE using  
the wheelchair, otherwise personal injury or damage to the wheelchair may result.  
STANDARD - Make sure the hex screws and locknuts are securely tightened  
BEFORE using the wheelchair, otherwise personal injury or damage to the  
wheelchair may result.  
4. Close the camber clamp. Refer to OPENING/CLOSING CLAMPS in this section of the manual.  
5. Repeat STEPS 1-4 for opposite side of wheelchair.  
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WHEELS  
SECTION 5  
REPLACING AXLE TUBE (FIGURE 16)  
NOTE: The camber bar is always mounted to the BOTTOM of the wheelchair frame.  
NOTE: There is no need to remove the two (2) camber clamps when replacing the axle tube.  
1. A4 CAMBER SYSTEM ONLY - Note the position of the camber inserts so they can  
be installed at the same position in the new axle tube.  
2. Open the camber clamps. Refer to OPENING/CLOSING CLAMPS in this section of  
the manual.  
3. Remove the (2) rear wheels. Refer to REMOVING/INSTALLING REAR WHEELS in  
this section of the manual.  
4. A4 CAMBER SYSTEM ONLY - Remove the camber inserts positioned in the axle tube.  
5. A4 CAMBER SYSTEM ONLY - Loosen, but do not remove the two (2) phillips  
screws that secure the toe adjustment rings to the axle tube.  
A4 CAMBER  
REAR OF  
Slot in Axle Tube  
SYSTEM  
WHEELCHAIR  
Toe Adjustment  
Notch in  
Ring  
Camber Insert  
Axle Tube  
Camber Clamp  
Set Screw  
Camber Insert  
Axle Tube  
Indexing  
Ring  
CAMBER  
TUBE 2000  
Toe Adjustment Ring  
FRONT OF  
WHEELCHAIR  
REAR OF  
WHEELCHAIR  
Axle  
Tube  
Camber  
Clamp  
Set Screw  
FRONT OF  
WHEELCHAIR  
FIGURE 16 - REPLACING AXLE TUBE  
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SECTION 5  
WHEELS  
6. Pull the existing axle tube through one (1) of the camber clamps.  
7. A4 CAMBER SYSTEM ONLY - Remove toe adjustment rings from the existing axle tube.  
8. Pull the existing axle tube through the other camber clamp and remove from the  
wheelchair.  
9. Slide the new axle tube through one (1) of the camber clamps.  
NOTE: A4 CAMBER SYSTEM ONLY - Make sure the notches in the axle tube are towards the  
rear of the wheelchair and the slots in the axle tube are facing up.  
10. A4 CAMBER SYSTEM ONLY - Install the adjustment rings onto the new axle tube. Make  
sure the stops on the adjustment rings are facing towards the outside of the wheelchair.  
NOTE: Do not tighten the phillips screws that secure the adjustment rings to the axle tube at this time.  
11. Slide the new axle tube through the other camber clamp until the axle tube is evenly  
spaced between the camber clamps.  
NOTE: Do not close the camber clamps at this time.  
WARNING  
NEVER position the camber inserts in the axle tube with more than 3-inches  
(12 indexing marks showing) of the camber insert outside of the axle tube.  
The camber inserts will not be securely tightened in the axle tube resulting  
in possible injury to the user or damage to the wheelchair.  
12. A4 CAMBER SYSTEM ONLY - Install camber inserts into the NEW axle tube and slide  
the camber inserts to the position noted in STEP 1. Make sure there is no more than  
3-inches (12 indexing marks) of the camber inserts outside of the axle tube.  
13. A4 CAMBER SYSTEM ONLY - Slide the indexing ring on the camber insert until it is  
flush with the camber clamp.  
NOTE: To maximize rollability: Before using the wheelchair, make sure both camber inserts are  
set to the same indexing notch. This will make sure the distance between the rear wheel and the  
wheelchair is the same on both sides.  
14. Install the rear wheels onto the wheelchair. Refer to REMOVING/INSTALLING  
REAR WHEELS in this section of the manual.  
15. Adjust the axle tube. Refer to ADJUSTING THE AXLE TUBE in this section of the manual.  
NOTE: The performance of the wheelchair will be affected if the toe in/toe out of the wheelchair is  
not correct.  
ADJUSTING THE AXLE TUBE  
WARNING  
QUICK RELEASE LEVERS - Make sure the quick release levers are in the  
CLOSED position BEFORE using the wheelchair, otherwise injury or  
damage to the wheelchair may result.  
STANDARD - Make sure the hex screws and locknuts are securely tightened  
BEFORE using the wheelchair, otherwise injury or damage to the wheelchair  
may result.  
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WHEELS  
SECTION 5  
CAUTION  
A4 CAMBER SYSTEM ONLY - DO NOT close the quick-release levers or  
tighten the hex screws and locknuts without camber inserts in the axle  
tube. Damage to the axle tube will occur.  
NOTE: Stand behind the wheelchair to determine LEFT or RIGHT.  
CAMBER TUBE 2000 (FIGURE 17)  
1. If necessary, open BOTH camber  
clamps. Refer to OPENING/CLOSING  
CLAMPS in this section of the manual.  
Flat Edge of Camber  
Tube  
Place "L" Square Here  
Ground/  
Floor  
2. Using an "L" square, rotate the axle  
tube until the flat edge of the camber  
tube is at a 90° angle with the ground/  
floor as shown in FIGURE 17.  
90° Angle  
3. Close both camber clamps. Refer to  
OPENING/CLOSING CLAMPS in this  
section of the manual.  
FIGURE 17 - ADJUSTING THE  
AXLE TUBE - CAMBER TUBE 2000  
4. Determine the toe in/toe out of the wheelchair. Refer to DETERMINING TOE IN/  
TOE OUT in this section of the manual.  
A4 CAMBER SYSTEM (FIGURE 18)  
NOTE: Before performing this procedure, make sure the camber inserts are positioned to the lowest  
degree of camber. Refer to ADJUSTING REAR WHEEL CAMBER in this section of the manual.  
1. If necessary, open BOTH camber clamps. Refer to OPENING/CLOSING CLAMPS in  
this section of the manual.  
2. Loosen the set screw that secures each toe adjustment ring to the axle tube (FIGURE 18).  
3. Using an "L" square, rotate the axle tube until the flat edge of the camber insert is at  
a 90° angle with the ground/floor as shown in FIGURE 18.  
4. Close the RIGHT camber clamp. Refer to OPENING/CLOSING CLAMPS in this  
section of the manual.  
5. Rotate the LEFT toe adjustment ring until the tab stops against the LOWER metal  
tab on the camber clamp.  
6. Securely tighten set screw on LEFT toe adjustment ring.  
7. Measure the distance between the center lines at the rear and front of the rear  
wheels at approximately 12-inches from the ground/floor. Refer to DETERMINING  
TOE IN/TOE OUT in this section of the manual.  
8. Perform one (1) of the following:  
A. TOE IN/TOE OUT MEASUREMENT IS WITHIN ±1/8-INCH - Proceed  
to STEP 8.  
B. TOE IN/TOE OUT MEASUREMENT IS NOT WITHIN ±1/8-INCH -  
Repeat STEPS 1-7 until toe in/toe out measurement is within ±1/8 inch.  
9. Open the RIGHT camber clamp. Refer to OPENING/CLOSING CLAMPS in this  
section of the manual.  
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SECTION 5  
WHEELS  
10. Reposition the camber inserts to the highest degree of camber. Refer to ADJUSTING  
REAR WHEEL CAMBER in this section of the manual.  
11. Repeat STEP 3.  
12. Close the LEFT camber clamp. Refer to OPENING/CLOSING CLAMPS in this  
section of the manual.  
13. Rotate the RIGHT toe adjustment ring until the tab stops against the UPPER metal  
tab on the camber clamp.  
14. Securely tighten set screw on RIGHT toe adjustment ring.  
15. Repeat STEP 7.  
16. Perform one (1) of the following:  
A. TOE IN/TOE OUT MEASUREMENT IS WITHIN ±1/8-INCH -  
i. Proceed to STEP 17.  
B. TOE IN/TOE OUT MEASUREMENT IS NOT WITHIN ±1/8-INCH -  
i. Repeat STEP 1.  
ii. Loosen the set screw on the right toe adjustment ring.  
iii. Repeat STEP 3.  
iv. Repeat STEPS 12-16 until toe in/toe out measurement is within ±1/8 inch.  
17. If desired, reposition camber inserts to the desired degree of camber. Refer to  
ADJUSTING REAR WHEEL CAMBER in this section of the manual.  
Flat Edge of  
Place "L" Square Here  
Camber Insert  
Ground/  
90° Angle  
Floor  
HIGHER DEGREE OF CAMBER  
LOWER DEGREE OF CAMBER  
Set Screw  
Set Screw  
Camber Clamp  
Metal  
Tab  
LEFT Toe  
Adjustment  
Ring  
Axle Tube  
Tab  
Tab  
RIGHT Toe  
Adjustment  
Ring  
Camber  
Clamp  
Metal Tab  
Axle Tube  
Axle Tube - Will Rotate DOWN Only  
FIGURE 18 - ADJUSTING THE AXLE TUBE - A4 CAMBER SYSTEM  
Axle Tube - Will Rotate UP Only  
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WHEELS  
SECTION 5  
REPLACING/ADJUSTING CASTERS (FIGURE 19)  
CAUTION  
Changing the size of and/or repositioning the front casters can affect the  
performance of the wheelchair. Contact Invacare at the telephone numbers  
on the back of this manual BEFORE performing this procedure.  
1. Remove the bolt and locknut that secure the front caster to the fork.  
2. Remove front caster and axle spacers from fork.  
3. Perform one (1) of the following:  
A. REPLACING CASTERS - Install the NEW caster, bolt, locknut and axle  
spacers onto the fork and securely tighten.  
B. ADJUSTING CASTER POSITION (SUSPENSION CASTERS ONLY) -  
Install the caster, bolt, locknut and axle spacers onto the fork in the desired  
mounting position. Tighten securely.  
4. Repeat STEPS 1-2 for the opposite caster if necessary.  
NOTE: If replacing front casters with a different size than what was originally on the wheelchair, the  
front caster height MUST be adjusted to keep the wheelchair frame parallel to the floor. Refer to  
ADJUSTING FRONT CASTER HEIGHT in this section of the manual. The size of the rear wheels  
may also need adjustment. Refer to REPAIRING/REPLACING REAR WHEEL, TIRE/TUBE in this  
section of the manual.  
NON-SUSPENSION CASTER  
SUSPENSION CASTER  
Fork  
Fork  
Locknut  
Locknut  
Bolt  
Bolt  
Spacer  
Axle Spacer  
Caster  
Spacer  
Caster  
Axle Spacer  
FIGURE 19 - REPLACING/ADJUSTING FRONT CASTERS  
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SECTION 5  
WHEELS  
ADJUSTING FRONT CASTER HEIGHT (FIGURE 20)  
CAUTION  
Changing the height of the front casters can affect the performance of the  
wheelchair. Contact Invacare at the telephone numbers on the back of  
this manual BEFORE performing this procedure.  
NOTE: When changing a rear wheel/front caster to a different size and or changing the original  
degree of camber of the wheelchair, it becomes necessary to adjust the front caster height so the  
wheelchair frame will remain parallel to the floor.  
1. Place the wheelchair on a flat surface.  
2. Remove the dust cover on the fork assembly.  
3. Remove the locknut that secures the front caster fork to the wheelchair frame.  
4. Position a large right triangle or "L" square on the flat surface and against the caster  
housing that is welded to the wheelchair frame.  
5. Adjust the height of the front casters by either adding or removing spacers from the  
fork stem until the wheelchair frame is parallel with the floor.  
6. Reinstall locknut and dust cover onto the wheelchair.  
7. Repeat this procedure for the opposite front caster.  
Locknut  
Caster  
Housing  
Dust Cover  
Spacers  
"L" Square  
Fork Stem  
FIGURE 20 - ADJUSTING FRONT CASTER HEIGHT  
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WHEELS  
SECTION 5  
WHEEL LOCK ADJUSTMENT/REPLACEMENT (FIGURE 21)  
NOTE: Invacare recommends LOW mount wheel locks when engaging in any contact sport.  
NOTE: Before adjusting or replacing the High/Low mount wheel locks, ensure that the tires are  
inflated to the recommended psi on the sidewall of the tire.  
1. Loosen the locknuts and hex/allen screws that secure the High/Low mount wheel  
locks to side frame.  
2. Perform one (1) of the following:  
Replacing the High/Low Mount Wheel Lock:  
A. Remove the locknuts and hex/allen screws and remove existing wheel lock from  
the wheelchair.  
B. Install the NEW wheel lock and adjust.  
Adjusting the High/Low Mount Wheel Lock:  
A. Measure the distance between the WHEEL LOCK SHOE and the REAR WHEEL.  
B. Slide the wheel lock along the wheelchair until the measurement is between 5/32  
and 5/16-inches.  
C. Tighten the wheel lock to the wheelchair frame.  
D. Repeat this procedure for the opposite wheel lock.  
E. Engage the wheel locks and push against the wheelchair to determine if the  
wheel locks engage the rear wheels enough to hold the occupied wheelchair.  
F. Repeat STEPS A-E until the wheel locks engage the rear wheels enough to hold  
the occupied wheelchair.  
FRONT  
REAR  
Wheelchair Frame  
Low Mount  
Wheel Lock  
WHEEL LOCK ADJUSTMENT  
Wheelchair Frame  
Wheel  
Lock Shoe  
NOTE: High  
mount wheel  
lock shown for  
clarity.  
Wheel Lock  
Shoe  
Hex Screws  
Wheelchair  
Frame  
High Mount  
Wheel Lock  
5/32 to 5/16-inch Gap  
Rear Wheel  
Wheel Lock  
Shoe  
NOTE: Rear wheel not shown for clarity.  
FIGURE 21 - WHEEL LOCK ADJUSTMENT/REPLACEMENT  
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SECTION 6  
FOOTREST/ANTI-TIPPER  
Section 6 - Footrest/Anti-tipper - includes the following:  
Adjusting/Replacing Standard Footrest  
Installing/Adjusting Optional Clamp on Raised Footrest  
Installing/Adjusting Optional A4 Footrest  
Anti-Tipper Replacement/Adjustment  
WARNING  
After ANY adjustments, repair or service and BEFORE use, make sure all  
attaching hardware is tightened securely - otherwise injury or damage may result.  
ALWAYS perform this procedure in the presence of an assistant. The position  
of the footrest, camber tube, back angle, the tautness of the back upholstery as  
well as the user's condition are directly related to the wheelchairs stability. Any  
change to one (1) or any combination of the five (5) may cause the wheelchair to  
decrease in stability. Use EXTREME caution when using a new seating  
position. The addition of anti-tippers may be required.  
Check ALL allen screws that secure the footrest/raised footrest system to  
the wheelchair frame to make sure they are securely tightened BEFORE  
using the wheelchair, ESPECIALLY if engaging in ANY contact sport.  
The footrest assembly MUST be at least 1-3/4-inches above the ground/  
floor to avoid hitting protruding objects when using this wheelchair.  
ADJUSTING/REPLACING STANDARD FOOTREST  
(FIGURE 1)  
1. Loosen the two (2) allen screws that secure the footrest to the wheelchair frame.  
IF REPLACING THE FOOTREST:  
1. Remove EXISTING footrest.  
2. Install NEW footrest.  
Allen Screws  
(Not Shown)  
WARNING  
The standard footrest has an open  
hoop. A footplate cover is  
Wheelchair  
Frame  
recommended for wheelchair users  
that have leg spasticity or whose feet  
have a possibility of falling through the  
footrest hoop. A calf strap is provided  
with each wheelchair to prevent the  
feet from slipping backwards off of the  
footrest. Be sure the calf strap is  
secure when using the wheelchair.  
Footrest  
FIGURE 1 - ADJUSTING/REPLACING  
STANDARD FOOTREST  
IF REPLACING OR ADJUSTING THE FOOTREST:  
1. Position NEW/EXISTING footrest to desired height.  
2. Tighten the two (2) allen screws that secure the footrest to the wheelchair frame.  
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FOOTREST/ANTI-TIPPER  
SECTION 6  
INSTALLING/ADJUSTING OPTIONAL CLAMP ON  
RAISED FOOTREST (FIGURE 2)  
INSTALLING  
Wheelchair Frame  
1. Install the two (2) half clamps onto  
Allen  
Screws  
Half Clamp  
either side of the wheelchair frame  
approximately 2-inches above existing  
footrest with two (2) allen screws  
provided.  
Outside  
Raised  
Footrest  
Footrest  
Hoop  
2. Repeat for the opposite side of the  
wheelchair.  
FIGURE 2 - INSTALLING/  
ADJUSTING OPTIONAL CLAMP  
ON RAISED FOOTREST  
3. Slide the clamp on raised footrest into  
the half clamps to the desired height.  
4. Securely tighten the four (4) allen screws.  
ADJUSTING  
1. Loosen the four (4) allen screws.  
2. Adjust clamp on raised footrest to the desired height.  
3. Securely tighten all four (4) allen screws.  
INSTALLING/ADJUSTING OPTIONAL A4 FOOTREST  
(FIGURE 3)  
REPLACING THE FOOTREST  
1. Loosen, but do not remove the two (2) allen screws that secure the footrest to the  
wheelchair frame.  
2. Slide the EXISTING footrest tubes out of the wheelchair frame and install NEW  
footrest by reversing this step.  
3. Position the NEW footrest to a determined height.  
4. Tighten the two (2) allen screws that secure the footrest to the wheelchair frame.  
5. Adjust the footplate to the desired position. Refer to FOOTPLATE ANGLE ADJUSTMENT  
and/or FOOTPLATE DEPTH ADJUSTMENT in this section of the manual.  
FOOTPLATE ANGLE ADJUSTMENT  
1. Loosen, but do not remove the four (4) flat screws and locknuts that secure the  
footplate to the two (2) footrest tubes.  
2. Position the footplate to the necessary angle to accommodate the user.  
3. Retighten the four (4) flat screws and locknuts.  
NOTE: The locknuts should be placed in the channel of the footplate half clamp.  
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SECTION 6  
FOOTREST/ANTI-TIPPER  
FOOTPLATE DEPTH ADJUSTMENT  
1. Loosen, but do not remove the four (4) flat screws and locknuts that secure  
footplate to the footrest tubes.  
NOTE: Observe the angle of footplate for reinstallation.  
2. Move the footplate to one (1) of two (2) positions to accommodate the user.  
3. Retighten the four (4) flat screws and locknuts.  
NOTE: The settings for positioning the footplates on the half-clamps may vary for each end-user.  
NOTE: The locknuts should lie in the channel of the footplate half clamp.  
Allen Screws  
Footrest  
Tube  
ANGLE  
Flat  
Screws  
HEIGHT  
Footplate  
Flat Screws  
DEPTH  
FIGURE 3 - INSTALLING/ADJUSTING OPTIONAL A4 FOOTREST  
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FOOTREST/ANTI-TIPPER  
SECTION 6  
ANTI-TIPPER REPLACEMENT/ADJUSTMENT (FIGURE 4)  
WARNING  
Anti-tippers MUST BE attached at all times. Inasmuch as the  
ANTI-TIPPERS are an option on this wheelcahir (You may order it with  
or without the anti-tippers), Invacare strongly recommends ordering the  
anti-tippers as an additional safeguard for the wheelchair user.  
ALL WHEELCHAIRS EXCEPT X-TERMINATOR - Anti-tippers MUST be  
fully engaged. Ensure the the release button of the anti-tipper fully  
protrudes out of the hole in the anti-tipper socket.  
Ensure both anti-tippers are adjusted to the same height.  
REPLACEMENT  
1. Press in the two (2) push pins that secure the EXISTING anti-tipper to the  
wheelchair frame and remove the EXISTING anti-tipper from the wheelchair.  
2. Insert the NEW anti-tipper into the wheelchair. Make sure the push pins are fully  
released.  
NOTE: A 1-1/2 to 2-inch clearance between the bottom of the anti-tipper wheels and the floor  
must be maintained.  
3. Adjust the anti-tippers. Refer to ADJUSTMENT in this section of the manual.  
ADJUSTMENT  
NOTE: If the rear wheel size is changed or the position of the adjustable axle camber bar is changed,  
the anti-tippers MUST be readjusted to maintain a 1-1/2 to 2-inch clearance between the bottom of  
anti-tipper wheels and floor.  
1. Press in the two (2) push pins that secure the anti-tipper wheels to the anti-tipper  
bar.  
2. Adjust height of the anti-tip wheels to between 1-1/2 and 2-inches (one [1] of four  
[4] positions) off of the floor. Make sure the push pins are fully released.  
Anti-tipper Bar  
Release Buttons  
Camber Clamp  
Anti-tipper  
Hole  
Anti-tipper Socket  
Ground  
/Floor  
1-1/2 to 2-inch clearance  
FIGURE 4 - ANTI-TIPPER REPLACEMENT/ADJUSTMENT  
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SECTION 7  
SUSPENSION  
Section 7 - Suspension - includes the following:  
Elastomers and Suspension  
Replacing Rear Elastomers  
Replacing Front Elastomers  
Removing/Installing/Replacing Suspension Tubes  
Adjusting Seat-to-Floor Height  
Repositioning the Axle Tube  
Repositioning Quick Release Levers  
WARNING  
After ANY adjustments, repair or service and BEFORE use, make sure all  
attaching hardware is tightened securely - otherwise injury or damage  
may result.  
ELASTOMERS AND SUSPENSION  
CAUTION  
Weather conditions may affect elastomers. Invacare recommends that  
elastomers be replaced once a year, otherwise the performance of the  
wheelchair may be affected.  
NOTE: The performance of the wheelchair will be affected if elastomers ARE NOT the same on  
BOTH SIDES of the wheelchair.  
NOTE: If elastomers squeak, lubricate the ends of the elastomers and the shaft of the mounting  
bolt that secures the elastomers to the suspension tube with a silicone based lubricant.  
REPLACING REAR ELASTOMERS (FIGURE 1)  
1. Refer to the following chart to determine the elastomers required for the user's weight.  
NOTE: Periodically review the following chart to make sure the rear suspension still corresponds to  
user's weight.  
USER'S WEIGHT (IN LBS.)  
ELASTOMERS REQUIRED (PER SIDE)  
UPPER  
LOWER  
Less Than 100  
101 - 140  
141 - 180  
181 - 220  
221 - 250  
BLUE  
BLUE  
BLACK  
BLACK  
PURPLE  
BLUE  
BLACK  
BLACK  
PURPLE  
PURPLE  
NOTE: The performance of the wheelchair will be affected if elastomers DO NOT correspond to  
user's weight.  
2. Remove the mounting bolt and locknut that secure the nylon washers, EXISTING  
UPPER and LOWER elastomers and recessed spacer to the suspension arms.  
3. Reinstall the nylon washers, NEW UPPER and LOWER elastomers determined in  
STEP 1 and recessed spacer into the suspension tube with the mounting bolt. Refer  
to FIGURE 1 for hardware orientation.  
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SUSPENSION  
SECTION 7  
4. Install the locknut onto the mounting bolt.  
NOTE: It may be necessary to compress the rear suspension system to install the locknut onto the  
mounting bolt.  
5. Tighten the locknut until three (3) threads can be seen on the end of mounting bolt.  
6. Ensure wheel locks engage properly. Refer to WHEEL LOCK  
ADJUSTMENT/REPLACEMENT in SECTION 5 of the manual.  
Mounting Bolt  
Nylon Washer  
Telescoping Tube  
Suspension Arm  
UPPER Elastomer  
Recessed Spacer  
LOWER Elastomer  
Nylon Washer  
Locknut  
FIGURE 1 - REPLACING REAR ELASTOMERS  
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SECTION 7  
SUSPENSION  
REPLACING FRONT ELASTOMERS (FIGURE 2)  
WARNING  
Ensure the detent ball protrudes past the fork BEFORE use. Otherwise, injury  
or damage may occur.  
1. Remove the bolt and locknut securing the fork to the fork stem (DETAIL "C").  
2. Remove the EXISTING elastomer from the fork (DETAIL "A").  
3. Position one end of the NEW elastomer into the fork stem recess and the other  
end into the fork recess (DETAIL “A”).  
NOTE: Ensure the ends of the elastomer sit flush in the fork and fork stem recesses.  
4. Hold and squeeze the fork and fork stem together (DETAIL “B”).  
5. Insert the bolt through the mounting holes in the fork to secure the elastomer to the fork.  
NOTE: The bolt should be inserted from the OUTSIDE of the wheelchair, so the locknut will be on  
the INSIDE of the wheelchair.  
6. Install the locknut onto the bolt and securely tighten.  
NOTE: Caster not shown for clarity.  
DETAIL “A”  
DETAIL “B”  
Mounting Holes  
Fork Recess  
(NOT SHOWN)  
Bolt  
Fork Stem  
Elastomer  
Bolt  
Fork Stem  
Fork Stem  
Recess  
Fork  
Elastomer  
Fork  
DETAIL “C”  
Bolt  
Locknut  
Fork  
FIGURE 2 - REPLACING FRONT ELASTOMERS  
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SUSPENSION  
SECTION 7  
REMOVING/INSTALLING/REPLACING SUSPENSION  
TUBES (FIGURE 3)  
NOTE: Invacare recommends replacing both suspension tubes at the same time to maintain  
optimum wheelchair performance.  
REMOVING SUSPENSION TUBES  
1. Remove the rear wheels from the wheelchair. Refer to REMOVING/INSTALLING  
REAR WHEELS in SECTION 5 of this manual.  
2. Note the number of marks showing on the telescoping tube.  
3. Open the receiver tube clamps. Refer to OPENING/CLOSING CLAMPS in  
SECTION 5 of the manual.  
4. Pull the suspension tubes with rear axle away from the receiver tube.  
5. Note the mounting position of the two (2) mounting screws and locknuts securing  
the EXISTING suspension tubes to the camber clamp.  
6. Remove two (2) mounting screws and locknuts securing each EXISTING suspension  
tube to camber clamp (DETAIL "B").  
INSTALLING SUSPENSION TUBES  
1. Secure the NEW suspension tubes to the camber clamps in the position noted in STEP 5 of  
REMOVING SUSPENSION TUBES with the mounting screws and locknuts (DETAIL "B").  
2. Insert the ends of the suspension tubes into the receiver tubes as far as possible.  
3. Adjust wheelbase length to the position noted in STEP 2 of REMOVING SUSPENSION  
TUBES. Refer to ADJUSTING WHEELBASE LENGTH in SECTION 5 of this manual.  
DETAIL "B" -  
SUSPENSION  
TUBE  
HARDWARE  
Axle Tube  
Camber  
Clamp  
Locknuts  
Suspension  
Tube Marks  
Suspension  
Tube  
Camber  
Insert  
Receiver Tube  
Hex Bolts  
Receiver Tube Clamp  
FIGURE 3 - REMOVING/INSTALLING SUSPENSION TUBES  
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SECTION 7  
SUSPENSION  
4. Close the receiver tube clamps. Refer to OPENING/CLOSING CLAMPS in SECTION 5  
of the manual.  
5. Reinstall the rear wheels. Refer to REMOVING/INSTALLING REAR WHEELS in  
SECTION 5 of this manual.  
6. Adjust suspension to correspond to the user's weight. Refer to REPLACING REAR  
ELASTOMERS in this section of the manual.  
ADJUSTING SEAT-TO-FLOOR HEIGHT (FIGURE 4)  
WARNING  
CHANGE OF  
SEAT-TO-FLOOR  
HEIGHT  
AXLE  
TUBE  
POSITION  
The position of the footrest, camber  
tube, back angle, the tautness of the  
back upholstery as well as the user's  
condition are directly related to the  
wheelchair's stability. Any change to  
one (1) or any combination of the five  
(5) may cause the wheelchair to  
decrease in stability. Use EXTREME  
caution when using a new seating  
position. The addition of anti-tippers  
may be required. EXTREME care  
MUST be taken when changing the  
stability of the wheelchair. Refer to the  
chart in STABILITY in SECTION 1 of  
this manual.  
LOWER  
TOP  
UPPER Two (2)  
Mounting Holes  
FACTORY  
SETTING  
MIDDLE  
LOWER Two (2)  
Mounting Holes  
HIGHER  
BOTTOM  
NOTE: Each wheelchair frame has been designed  
for a specific size rear wheel. Invacare does not  
recommend changing rear wheel size.  
WARNING  
Forks for quick release casters are  
available in different sizes to  
LOWER Two (2)  
Mounting Holes  
INVERTED  
accommodate spacers. If the  
CAMBER CLAMPS  
wheelchair is equipped with quick  
release casters, DO NOT adjust seat-  
to-floor height without changing forks.  
FIGURE 4 - ADJUSTING SEAT-TO-  
FLOOR HEIGHT  
Seat-to-floor height is determined by  
measuring from the top of the seat rail to the ground/floor.  
Several different seat-to-floor heights are possible by using different combinations of  
caster size, caster position, and axle tube position.  
1. Refer to the chart in FIGURE 4 to determine the axle tube position for the desired  
seat-to-floor height adjustment.  
2. Adjust the axle tube position. Refer to REPOSITIONING THE AXLE TUBE in this  
section of the manual.  
NOTE: After adjusting the axle tube position, the wheelchair frame MUST be parallel to the  
ground/floor BEFORE using. It may be necessary to change caster size, caster position, caster  
height, wheel lock position and the anti-tipper adjustment (if equipped).  
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SUSPENSION  
SECTION 7  
3. If necessary, refer to REPLACING/ADJUSTING CASTERS in PROCEDURE 5 of the  
manual to replace the casters or adjust the caster position.  
4. After replacing or adjusting the caster size/position, refer to ADJUSTING FRONT  
CASTER HEIGHT in PROCEDURE 5 of the manual to add/remove fork spacers and  
add/remove washers to ensure caster headtubes are perpendicular to the ground.  
5. Anti-tipper height (if applicable) must be adjusted to maintain 1-1/2 to 2-inch clearance  
between the bottom of the anti-tipper wheels and the floor. Refer to ANTI-TIPPER  
REPLACEMENT/ADJUSTMENT in PROCEDURE 6 of this manual.  
6. Ensure wheel locks engage properly. Refer to WHEEL LOCK ADJUSTMENT/  
REPLACEMENT in PROCEDURE 5 of the manual.  
NOTE: This seat-to-floor chart is based on pneumatic tires and pneumatic tires with flat free  
inserts. If wheelchair is equipped with urethane tires, subtract 1/2-inch from the measurements  
listed below. All heights are approximate to + 1/4-inch due to tire wear and air pressure.  
REPOSITIONING THE AXLE TUBE (FIGURE 5)  
NOTE: This procedure should only be performed if changing the seat-to-floor height. Refer to  
ADJUSTING SEAT-TO-FLOOR HEIGHT in this procedure of the manual.  
NOTE: Right and left are determined by standing behind the wheelchair.  
1. Open both the camber clamps. Refer to OPENING/CLOSING CLAMPS in PROCEDURE 5  
of the manual.  
2. Remove the rear wheels from the wheelchair. Refer to REMOVING/INSTALLING  
REAR WHEELS in PROCEDURE 5 of the manual.  
3. A4 CAMBER SYSTEM ONLY - Remove the camber inserts from the axle tube  
(FIGURE 5).  
4. Refer to ADJUSTING SEAT-TO-FLOOR HEIGHT in this procedure of the manual  
to determine the proper position for the axle tube.  
5. Refer to the chart in DETAIL "C" to determine the proper axle tube adjustment.  
NOTE: Refer to DETAIL "B" for suspension tube and clamp hole patterns.  
6. Remove the locknuts and hex bolts securing the suspension tubes to the camber clamps.  
7. Perform one (1) of the following:  
A. CLAMP POSITION MUST BE INVERTED- Proceed to STEP 8.  
B. CLAMP POSITION REMAINS IN STANDARD POSITION - Proceed to  
STEP 10.  
8. Position the LEFT camber clamp onto the RIGHT end of the axle tube with the  
metal tabs facing the inside of the wheelchair.  
9. Repeat STEP 8 for the RIGHT camber clamp and the LEFT end of the axle tube.  
NOTE: The camber clamps should now be inverted, as shown in DETAIL "A".  
10. Align the camber clamp mounting holes with the suspension tube holes determined  
in STEP 5.  
11. Secure suspension tube to camber clamp with hex bolts and locknuts.  
12. A4 CAMBER SYSTEM ONLY - Insert camber inserts into axle tube with lowest  
degree of camber facing towards outside of the wheelchair.  
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PROCEDURE 7  
SUSPENSION  
13. Install the rear wheels into the camber inserts. Refer to REMOVING/INSTALLING  
REAR WHEELS in PROCEDURE 5 of this manual.  
14. Adjust the axle tube. Refer to ADJUSTING THE AXLE TUBE in PROCEDURE 5 of  
this manual.  
NOTE: The performance of the wheelchair will be affected if the axle tube has not been adjusted  
to correct the toe in/toe out of the wheelchair.  
15. Ensure the camber clamps are closed. Refer to OPENING/CLOSING CLAMPS in  
PROCEDURE 5 of the manual.  
16. Adjust anti-tippers. Refer to ANTI-TIPPER REPLACEMENT/ADJUSTMENT in  
PROCEDURE 6 of the manual.  
NOTE: QUICK RELEASE LEVERS ONLY - Reposition the quick release levers to the top/bottom of  
the axle tube if desired. Refer to REPOSITIONING QUICK RELEASE LEVERS in this procedure of the  
manual.  
DETAIL "C" - AXLE TUBE POSITIONS  
AXLE SUSPENSION CLAMP CLAMP  
POSITION TUBE HOLE HOLE POSITION*  
Camber  
Clamp  
Axle Tube  
Locknuts  
TOP  
A
B
1
2
STANDARD  
Camber  
Insert  
Camber  
Clamp  
Tab DOWN  
Suspension  
Tube  
Suspension  
Tube  
MIDDLE  
B
C
1
2
STANDARD  
Hex Bolt  
Camber  
Clamp  
Suspension  
Tube  
NOTE: LEFT camber clamp and suspension tube  
not shown for clarity.  
Tab DOWN  
BOTTOM  
A
B
2
1
INVERTED  
DETAIL "A" - CLAMP POSITION  
NOTE: Axle tubes are viewed from the FRONT of  
the wheelchair.  
Tab UP  
Suspension  
Tube  
Camber  
Clamp  
NOTE: Socket facing DOWN not shown for clarity.  
STANDARD CLAMP POSITION -  
TABS/SOCKETS  
NOTE: Tabs on camber clamps shown. Anti-tipper  
sockets are not shown for clarity.  
NOTE:Whenviewedfromthefrontofthewheelchair,  
inside of the rear wheels, an inverted camber clamp  
has the tab or anti-tipper socket at the top of the axle  
tube. Refer to DETAIL "A".  
Axle  
Tubes  
Camber  
Clamps  
Tab DOWN  
Socket DOWN  
DETAIL "B" - MOUNTING HOLE  
PATTERN  
INVERTED CLAMP POSITION - TABS/  
Suspension Tube  
Socket UP  
Hole A  
Hole B  
Hole C  
Hole 1  
Hole 2  
Axle Tubes  
Camber Clamps  
Tab UP  
Camber Clamp  
Metal Tabs  
Tab  
FIGURE 5 - REPOSITIONING THE AXLE TUBE  
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SUSPENSION  
PROCEDURE 7  
REPOSITIONING QUICK RELEASE LEVERS (FIGURE 6)  
NOTE: This procedure should only be performed if quick release levers are on top of the axle  
mounting tube and interfere with the desired rear seat-to-floor adjustment. This procedure will  
position the quick release lever on the bottom of the axle tube.  
1. Remove the threaded knob from the quick release lever.  
2. Remove the quick release lever, recessed washer and coved washer from the  
camber clamp.  
3. If necessary, position the recessed washer and coved washer onto the quick release  
lever, as shown in FIGURE 6.  
4. Insert the quick release lever with washers through the camber clamp as shown in  
FIGURE 6.  
Quick Release Lever  
Recessed Washer  
and Coved Washer  
Camber Clamp  
Threaded  
Knob  
SIDE VIEW OF CAMBER CLAMP WITH QUICK RELEASE LEVER  
LEVER ON CLAMP  
BOTTOM  
LEVER ON  
CLAMP TOP  
FIGURE 6 - REPOSITIONING QUICK RELEASE LEVERS  
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NOTES  
NOTES  
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WARRANTY  
LIMITED WARRANTY  
PLEASE NOTE: THE WARRANTY BELOW HAS BEEN DRAFTED TO COMPLY WITH  
FEDERAL LAW APPLICABLE TO PRODUCTS MANUFACTURED AFTER JULY 4, 1975.  
This warranty is extended only to the original purchaser/user of our products.  
This warranty gives you specific legal rights and you may also have other legal rights which  
vary from state to state.  
Invacare warrants the frame to be free from defects in materials and workmanship for a  
lifetime of the original purchaser from the date of purchase. All component parts  
including, but not limited to camber tubes, caster forks, armrests and upholstery are  
warranted against defects in materials and workmanship for a period of one (1) year from  
the date of purchase except push handle grips, bushings, bearings, and tires/tubes. If within  
such warranty period any such product shall be proven to be defective, such product shall  
be repaired or replaced, at Invacare's option. This warranty does not include any labor or  
shipping charges incurred in replacement part installation or repair of any such product.  
Invacare's sole obligation and your exclusive remedy under this warranty shall be limited to  
such repair and/or replacement.  
For warranty service, please contact the dealer from whom you purchased your Invacare  
product. In the event you do not receive satisfactory warranty service, please write directly  
to Invacare Top End at the address on the back page. Provide dealer’s name, address, date  
of purchase, indicate nature of the defect and, if the product is serialized, indicate the serial  
number. Do not return products to our factory without our prior consent.  
LIMITATIONS AND EXCLUSIONS: THE FOREGOING WARRANTY SHALL NOT  
APPLY TO SERIAL NUMBERED PRODUCTS IF THE SERIAL NUMBER HAS BEEN  
REMOVED OR DEFACED, PRODUCTS SUBJECTED TO NEGLIGENCE, ACCIDENT,  
IMPROPER OPERATION, MAINTENANCE OR STORAGE, COMMERCIAL OR  
INSTITUTIONAL USE, PRODUCTS MODIFIED WITHOUT INVACARE'S EXPRESS  
WRITTEN CONSENT, INCLUDING, BUT NOT LIMITED TO, MODIFICATION  
THROUGH THE USE OF UNAUTHORIZED PARTS OR ATTACHMENTS; PRODUCTS  
DAMAGED BY REASON OF REPAIRS MADE TO ANY COMPONENT WITHOUT THE  
SPECIFIC CONSENT OF INVACARE, OR TO A PRODUCT DAMAGED BY  
CIRCUMSTANCES BEYOND INVACARE'S CONTROL, AND SUCH EVALUATION  
WILL BE SOLELY DETERMINED BY INVACARE. THE WARRANTY SHALL NOT  
APPLY TO PROBLEMS ARISING FROM NORMAL WEAR OR FAILURE TO ADHERE  
TO THESE INSTRUCTIONS.  
THE FOREGOING EXPRESS WARRANTY IS EXCLUSIVE AND IN LIEU OF ANY  
OTHER WARRANTIES WHATSOEVER, WHETHER EXPRESS OR IMPLIED,  
INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS  
FOR A PARTICULAR PURPOSE, AND THE SOLE REMEDY FOR VIOLATIONS OF ANY  
WARRANTY WHATSOEVER, SHALL BE LIMITED TO REPAIR OR REPLACEMENT OF  
THE DEFECTIVE PRODUCT PURSUANT TO THE TERMS CONTAINED HEREIN. THE  
APPLICATION OF ANY IMPLIED WARRANTY WHATSOEVER SHALL NOT EXTEND  
BEYOND THE DURATION OF THE EXPRESS WARRANTY PROVIDED HEREIN. THE  
MANUFACTURER SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL OR  
INCIDENTAL DAMAGES WHATSOEVER.  
THIS WARRANTY SHALL BE EXTENDED TO COMPLY WITH STATE/PROVINCIAL  
LAWS AND REQUIREMENTS.  
Part No. 1052712 Rev D  
59  
Terminator™ SS  
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Invacare Corporation www.invacare.com  
USA  
Canada  
One Invacare Way  
Elyria, Ohio USA  
44036-2125L4Z  
800-333-6900  
570 Matheson Blvd E Unit 8  
Mississauga Ontario  
Invacare and Top End are registered  
trademarks of Invacare Corporation.  
, AY4easn, d Terminator ayroeu  
4G4  
800-668-5324  
Canada  
can.  
trademarks of Invacare Corporation.  
Dual Grip is a registered trademark of  
Sun Metal Products, Inc.  
Invacare Top End  
4501 63RD Circle North  
Pinellas Park, FL 33781  
800-532-8677  
KIK is a registered trademark of KIK  
Technology, Inc.  
Spinergy is a registered trademark of  
Spinergy, Inc.  
3-in-1 oil is a registered trademark of  
American Home Products  
Corporation.  
WD-40 is a registered trademark of  
WD-40 Company  
Loctite 242 is a trademark of the  
LoctiteCorporation.  
Teflon is a registered trademark of E.I.  
Du Pont De Nemours and Company.  
©
2003 Invacare Corporation  
Part No. 1052712 Rev D - 03/03  
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