Invacare Mobility Aid Lynx L 4 User Manual

Owner’s Operator and Maintenance Manual  
Lynx™L-3 & Lynx L-4  
DEALER: This manual MUST be given to  
the user of the scooter.  
USER: BEFORE using this scooter, read this  
manual and save for future reference.  
For more information regarding  
Invacare products, parts, and services,  
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TABLE OF CONTENTS  
TABLE OF CONTENTS  
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TABLE OF CONTENTS  
TABLE OF CONTENTS  
REGISTER YOUR PRODUCT  
The benefits of registering:  
1. Safeguard your investment.  
2. Ensure long term maintenance and servicing of your purchase.  
3. Receive updates with product information, maintenance tips, and industry news.  
4. Invacare can contact you or your provider, if servicing is needed on your product.  
5. It will enable Invacare to improve product designs based on your input and needs.  
- or -  
Complete and mail the form on the next page  
Any registration information you submit will be used by Invacare Corporation only, and  
protected as required by applicable laws and regulations.  
Part No. 1143205  
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Lynx™L-3 & Lynx L-4  
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PRODUCT REGISTRATION FORM  
Complete and mail this form  
Name_______________________________________________________________  
Address _____________________________________________________________  
City ___________________State/Province __________  
Zip/Postal Code ________  
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Email ___________________________________Phone No. _________________  
Invacare Model No. ______________________Serial No. __________________  
Purchased From _________________________Date of Purchase:___________  
1. Method of purchase: (check all that apply)  
Medicare  
2. This product was purchased for use by: (check one)  
Self Parent Spouse Other  
3. Product was purchased for use at:  
Home Facility Other  
4. I purchased an Invacare product because:  
Price Features (list features) _________________________________________  
Insurance  
Medicaid Other  
__________________________  
5. Who referred you to Invacare products? (check all that apply)  
Doctor Therapist Friend Relative Dealer/Provider Other_________  
Advertisement (circle one): TV, Radio, Magazine, Newspaper  
No Referral_____  
6. What additional features, if any, would you like to see on this product?  
__________________________________________________________________________  
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7. Would you like information sent to you about Invacare products that may be available for a  
particular medical condition? Yes No  
If yes, please list any condition(s) here and we will send you information by email and/or mail about  
any available Invacare products that may help treat, care for or manage such condition(s):  
__________________________________________________________________________  
8. Would you like to receive updated information via email or regular mail about the Invacare  
home medical products sold by Invacare's dealers? Yes No  
9. What would you like to see on the Invacare website?  
__________________________________________________________________________  
10. Would you like to be part of future online surveys for Invacare products? Yes No  
11. User's Year of birth: ______________________________________________________  
If at any time you wish not to receive future mailings from us, please contact us at Invacare Corporation,  
CRM Department, 39400 Taylor Parkway, Elyria, OH 44035, or fax to 877-619-7996 and we will remove  
you from our mailing list.  
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SPECIAL NOTES  
SPECIAL NOTES  
Signal words are used in this manual and apply to hazards or unsafe practices which  
could result in personal injury or property damage. Refer to the table below for  
definitions of the signal words.  
SIGNAL WORD  
DANGER  
MEANING  
Danger indicates an imminently hazardous situation which, if not avoided,  
will result in death or serious injury.  
Warning indicates a potentially hazardous situation which, if not avoided,  
could result in death or serious injury.  
WARNING  
Caution indicates a potentially hazardous situation which, if not avoided,  
may result in property damage.  
CAUTION  
NOTICE  
THE INFORMATION CONTAINED IN THIS DOCUMENT IS SUBJECT TO  
CHANGE WITHOUT NOTICE.  
As a manufacturer of powered scooters, Invacare endeavors to supply a wide  
variety of powered scooters to meet many needs of the end user. However, final  
selection of the type of powered scooter to be used by an individual rests solely with  
the user and his/her healthcare professional capable of making such a selection.  
TIE-DOWN RESTRAINTS AND SEAT RESTRAINTS  
Powered scooter users should NOT be transported in vehicles of any kind while in  
the powered scooter. As of this date, the Department of Transportation has not  
approved any tie-down systems for transportation of a user while in a powered  
scooter, in a moving vehicle of any type.  
It is Invacare’s position that users of powered scooters should be transferred into  
appropriate seating in vehicles for transportation and use be made of the restraints  
made available by the auto industry. Invacare cannot and does not recommend any  
powered scooter transportation systems.  
SEAT POSITIONING STRAP  
It is the obligation of the Dealers, Therapists and other Healthcare Professionals to  
determine if a seating positioning strap is required to ensure the safe operation of  
this equipment by the user. Serious injury can occur in the event of a fall from a  
powered scooter.  
WARNING  
The seat positioning strap is a positioning belt only. It is not designed for use as a  
safety device withstanding high stress loads such as auto or aircraft safety belts. If  
signs of wear appear, belt MUST be replaced immediately.  
Invacare products are specifically designed and manufactured for use in conjunction  
with Invacare accessories. Accessories designed by other manufacturers have not  
been tested by Invacare and are not recommended for use with Invacare products.  
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SPECIAL NOTES  
WARNING  
Scooters should be examined during maintenance for signs of corrosion (water  
exposure, incontinence, etc.). Electrical components damaged by corrosion should  
be replaced IMMEDIATELY.  
Scooters that are used by incontinent users and/or are frequently exposed to water  
may require replacement of electrical components more frequently.  
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TYPICAL PRODUCT PARAMETERS  
TYPICAL PRODUCT PARAMETERS  
LYNX L-3  
LYNX L-4  
OVERALL DIMENSIONS  
BASE LENGTH:  
BASE WIDTH:  
STEP HEIGHT (Floor Pan to Ground):  
SEAT HEIGHT (Floor Pan to Seat Cushion):  
OVERALL HEIGHT  
39.8 inches  
26 inches  
4 inches  
14 - 16 inches  
36  
SEAT DIMENSIONS  
WIDTH:  
DEPTH:  
16.5 inches  
14.5 inches  
16 inches  
BACK HEIGHT:  
ARM DIMENSIONS  
LENGTH:  
HEIGHT BETWEEN SEAT AND ARMS:  
MINIMUM WIDTH BETWEEN ARMS:  
11.6 inches  
9 inches  
15.0 inches  
SPEED RANGE  
0 - 5 m.p.h.  
8° Grade  
MAXIMUM INCLINE CAPABILITY  
WHEELS  
FRONT WHEEL:  
DRIVE WHEEL:  
8 inches x 2 inches  
8 inches x 2 inches  
TURNING RADIUS:  
39.4 inches  
51.2 inches  
WEIGHT OF PRODUCT:  
FRONT BASE SECTION:  
REAR BASE SECTION:  
BATTERIES:  
SEAT:  
BASKET:  
30 lbs  
25 lbs  
23 lbs  
24 lbs  
1 lb  
39 lbs  
25 lbs  
23 lbs  
24 lbs  
1 lb  
TOTAL WEIGHT OF PRODUCT:  
MAXIMUM WEIGHT LIMITATION  
103 lbs  
250 lbs  
112 lbs  
250 lbs  
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LABEL LOCATIONS  
LABEL LOCATIONS  
NOTE: Lynx L-3 shown. The labels are in the same locations for the Lynx L-4.  
! WARNING  
Pinch Point.  
1079203  
Serial  
Number  
Label  
DO NOT operate the scooter unless the tiller is in the locked position.  
DO NOT lean against or pull forward on the tiller while mounting or  
dismounting the scooter. Otherwise, injury may occur.  
--------------------------------------------------------------------------------------------  
DO NOT lift scooter up by the front or rear shroud. Otherwise injury  
or damage to the scooter may occur.  
1118373 Rev A  
NOTE: The battery wiring label is on  
the underside of the battery box door.  
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SECTION 1—GENERAL GUIDELINES  
SECTION 1—GENERAL GUIDELINES  
WARNING  
SECTION 1 - GENERAL GUIDELINES contains important information for the safe  
operation and use of this product. DO NOT use this product or any available  
optional equipment without first completely reading and understanding these  
instructions and any additional instructional material such as Owner’s Manuals,  
Service Manuals or Instruction Sheets supplied with this product or optional  
equipment. If you are unable to understand the Warnings, Cautions or Instructions,  
contact a healthcare professional, dealer or technical personnel before attempting  
to use this equipment - otherwise, injury or damage may occur.  
Repair or Service Information  
Set-up of the Electronics Control Unit is to be performed only by a qualified technician.  
The final adjustments of the controller may affect other activities of the scooter. Damage  
to the equipment could occur if improperly set-up or adjusted.  
DO NOT service or adjust your powered scooter while occupied, unless otherwise noted.  
Scooters should be examined during maintenance for signs of corrosion (water exposure,  
incontinence, etc.). Electrical components damaged by corrosion should be replaced  
IMMEDIATELY.  
Scooters that are used by incontinent users and/or are frequently exposed to water may  
require replacement of electrical components more frequently.  
Operation Information  
Invacare products are specifically designed and manufactured for use in conjunction with  
Invacare accessories. Accessories designed by other manufacturers have not been tested  
by Invacare and are not recommended for use with Invacare products.  
Performance adjustments should only be made by professionals of the healthcare field or  
persons fully conversant with this process and the driver's capabilities. Incorrect settings  
could cause injury to the driver, bystanders and damage to the scooter and to  
surrounding property.  
Before using the scooter, verify that the motor is plugged into the harness.  
DO NOT connect any medical devices such as ventilators, life support machines, etc., to  
the battery. This could cause unexpected failure of the device and the powered scooter.  
DO NOT operate the powered scooter until you have checked that the surroundings are  
clear and that the area is safe for travel.  
DO NOT make sharp turns in the FORWARD or REVERSE direction at excessive speed.  
Failure to observe the warning can cause the scooter to tip over and may result in injury  
to user and/or damage to the product.  
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SECTION 1—GENERAL GUIDELINES  
DO NOT operate on roads, streets or highways.  
DO NOT attempt to move up or down an incline with water, ice or oil film.  
Avoid operating the scooter in dark or poorly lit areas.  
DO NOT climb and/or go UP or DOWN ramps or traverse slopes greater than 8°.  
When negotiating ramps, if the throttle control lever is released while in the forward  
motion, the powered scooter will roll back approximately one foot before the brake  
engages. If the throttle control lever is released while in the reverse motion, the powered  
scooter will roll back approximately three feet before the brake engages.  
DO NOT attempt to drive over curbs or obstacles. Doing so may cause your powered  
scooter to turn over and cause bodily harm and/or damage to the scooter.  
DO NOT use an escalator to move a powered scooter between floors. Serious bodily  
injury may occur.  
Powered scooter with batteries and seat weighs between 103 and 112 lbs. Use proper  
lifting techniques (lift with your legs) to avoid injury.  
Before attempting to sit in or exit the powered scooter, remove the key from the ignition.  
This will ensure that the power is off and the powered scooter will not drive.  
DO NOT remove the key or shut off while the powered scooter is in motion.  
Remove the key from the ignition while the powered scooter is not in use so as to avoid  
injury and/or damage to the scooter and surrounding areas.  
DO NOT attempt to lift the powered scooter by any removable (detachable) parts. Lifting  
by means of any removable (detachable) parts of a powered scooter may result in injury  
to the user or damage to the powered scooter.  
DO NOT attempt to lift the powered scooter by its tiller, seat or shrouds.  
DO NOT stand on the frame of the powered scooter.  
DO NOT stand on the shroud(s) of the powered scooter.  
DO NOT operate the powered scooter without the rear shroud installed, to avoid injury  
and/or damage to scooter.  
Before use, ensure that the locking pins are fully inserted through the front and rear frame  
assemblies. Make sure the detent balls of the locking pins are fully released beyond the  
outer edge of the front and rear frame assemblies before operating the scooter. Otherwise,  
injury and/or damage may result.  
DO NOT attempt to reach objects if you have to move forward in the seat or pick them up  
from the floor by reaching between your knees.  
DO NOT lean over the top of the back upholstery to reach objects behind you, as this may  
cause the powered scooter to tip over.  
DO NOT shift your weight or sitting position toward the direction you are reaching as the  
powered scooter may tip over.  
12  
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SECTION 1—GENERAL GUIDELINES  
Determine and establish your particular safety limits by practicing bending, reaching and  
transferring activities in the presence of a qualified healthcare professional before  
attempting active use of the powered scooter.  
For individuals with balance problems, DO NOT attempt to transfer into or out of the  
powered scooter without assistance. Practice transferring activities with an assistant in  
the presence of a qualified healthcare professional.  
Ensure that the seat is properly locked before use. Otherwise the user may fall from the  
scooter resulting in bodily harm. Attempting unsafe transfers may cause the user to fall,  
resulting in serious injury.  
Ensure that the seat is locked in the forward position before and during the operation of  
the scooter. Otherwise, injury to the user and/or damage to the scooter may result.  
Ensure that the tiller is properly adjusted before driving the scooter.  
After making any tiller angle adjustment and before use, the tiller must be securely locked  
into position. Otherwise the user may fall from the scooter resulting in bodily harm and/  
or damage to the scooter. Gently push/pull the tiller to ensure that the tiller is securely  
engaged.  
DO NOT overtighten hardware attaching to the frame. This could cause damage to the  
frame tubing.  
ALWAYS keep hands and fingers clear of moving parts to avoid injury.  
ALWAYS wear your seat positioning strap. The seat positioning strap is a positioning belt  
ONLY. It is not designed for use as a safety device withstanding high stress loads such as  
auto or aircraft safety belts. If signs of wear appear, belt MUST be replaced immediately.  
ALWAYS check hand grips for looseness before using the powered scooter. If loose and/  
or worn, replace immediately.  
If scooter is exposed to extreme temperature (above 100°F or below 32°F), high humidity  
and/or becomes wet, prior to use, ensure handgrips do not twist on scooter handles.  
Otherwise, damage or injury may occur.  
Avoid storing or using the scooter near open flame or combustible products. Serious  
injury or damage to property may result.  
Never leave an unoccupied scooter on an incline.  
ALWAYS use anti-tippers. When outdoors on wet, soft ground or on gravel surfaces,  
anti-tippers may not provide the same level of protection against tip over. Extra caution  
MUST be observed when traversing such surfaces.  
Electrical  
Check to ensure that all electrical connections are secure at all times.  
Part No. 1143205  
13  
Lynx™L-3 & Lynx L-4  
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SECTION 1—GENERAL GUIDELINES  
Grounding Instructions  
DO NOT, under any circumstances, cut or re move the round grounding prong from any  
plug used with or for Invacare products. Some devices are equipped with three-prong  
(grounding) plugs for protection against possible shock hazards. Where a two-prong wall  
receptacle is encountered, it is the personal responsibility and obligation of the customer  
to contact a qualified electrician and have the two-prong receptacle replaced with a  
properly grounded three-prong wall receptacle in accordance with the National Electrical  
Code. If you must use an extension cord, use ONLY a three-wire extension cord having  
the same or higher electrical rating as the device being connected. In addition, Invacare  
has placed RED/ORANGE warning tags on some equipment. DO NOT remove these tags.  
Batteries  
The warranty and performance specifications contained in this manual are based on the  
use of deep cycle gel cell batteries. Invacare strongly recommends their use as the power  
source for this unit.  
Carefully read battery/battery charger information prior to installing, servicing or  
operating your powered scooter.  
Rain Test  
Invacare has tested its powered scooters in accordance with ISO 7176 “Rain Test”. This  
provides the end user or his/her attendant sufficient time to remove his/her power  
powered scooter from a rain storm and retain powered scooter operation.  
DO NOT leave the powered scooter in a rain storm of any kind.  
DO NOT use the powered scooter in a shower.  
DO NOT leave the powered scooter in a damp area for any length of time.  
Direct exposure to rain or dampness will cause the scooter to malfunction electrically and  
mechanically; may cause the powered scooter to prematurely rust.  
Check to ensure that all electrical connections are secure at all times.  
Weight Training  
Invacare DOES NOT recommend the use of its powered scooters as a weight training  
apparatus. Invacare powered scooters have NOT been designed or tested as a seat for any  
kind of weight training. If occupant uses said powered scooter as a weight training  
apparatus, Invacare shall NOT be liable for bodily injury and the warranty is void.  
Weight Limitation  
The weight limitation is 250 lbs.  
Lynx™L-3 & Lynx L-4  
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Part No. 1143205  
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SECTION 2—EMI INFORMATION  
SECTION 2—EMI INFORMATION  
WARNING  
CAUTION: IT IS VERY IMPORTANT THAT YOU READ THIS INFORMATION  
REGARDING THE POSSIBLE EFFECTS OF ELECTROMAGNETIC  
INTERFERENCE ON YOUR POWERED WHEELCHAIR.  
Electromagnetic Interference (EMI) From Radio Wave Sources  
Powered wheelchairs and motorized scooters (in this text, both will be referred to  
as powered wheelchairs) may be susceptible to electromagnetic interference (EMI),  
which is interfering electromagnetic energy (EM) emitted from sources such as  
radio stations, TV stations, amateur radio (HAM) transmitters, two way radios, and  
cellular phones. The interference (from radio wave sources) can cause the powered  
wheelchair to release its brakes, move by itself, or move in unintended directions. It  
can also permanently damage the powered wheelchair's control system. The  
intensity of the interfering EM energy can be measured in volts per meter (V/m).  
Each powered wheelchair can resist EMI up to a certain intensity. This is called its  
"immunity level." The higher the immunity level, the greater the protection. At this  
time, current technology is capable of achieving at least a 20 V/m immunity level,  
which would provide useful protection from the more common sources of radiated  
EMI.  
There are a number of sources of relatively intense electromagnetic fields in the  
everyday environment. Some of these sources are obvious and easy to avoid.  
Others are not apparent and exposure is unavoidable. However, we believe that by  
following the warnings listed below, your risk to EMI will be minimized.  
The sources of radiated EMI can be broadly classified into three types:  
1) Hand-held Portable transceivers (transmitters-receivers with the antenna  
mounted directly on the transmitting unit. Examples include: citizens band (CB)  
radios, "walkie talkie", security, fire and police transceivers, cellular telephones,  
and other personal communication devices).  
NOTE: Some cellular telephones and similar devices transmit signals while they are ON,  
even when not being used.  
2) Medium-range mobile transceivers, such as those used in police cars, fire trucks,  
ambulances and taxis. These usually have the antenna mounted on the outside of  
the vehicle; and  
3) Long-range transmitters and transceivers, such as commercial broadcast  
transmitters (radio and TV broadcast antenna towers) and amateur (HAM)  
radios.  
NOTE: Other types of hand-held devices, such as cordless phones, laptop computers,  
AM/FM radios, TV sets, CD players, cassette players, and small appliances, such as elec-  
tric shavers and hair dryers, so far as we know, are not likely to cause EMI problems to  
your powered wheelchair.  
15  
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SECTION 2—EMI INFORMATION  
WARNING  
Powered Wheelchair Electromagnetic Interference (EMI)  
Because EM energy rapidly becomes more intense as one moves closer to the  
transmitting antenna (source), the EM fields from hand-held radio wave sources  
(transceivers) are of special concern. It is possible to unintentionally bring high  
levels of EM energy very close to the powered wheelchair's control system while  
using these devices. This can affect powered wheelchair movement and braking.  
Therefore, the warnings listed below are recommended to prevent possible  
interference with the control system of the powered wheelchair.  
Electromagnetic interference (EMI) from sources such as radio and TV stations,  
amateur radio (HAM) transmitters, two-way radios, and cellular phones can affect  
powered wheelchairs and motorized scooters.  
FOLLOWING THE WARNINGS LISTED BELOW SHOULD REDUCE THE  
CHANCE OF UNINTENDED BRAKE RELEASE OR POWERED WHEELCHAIR  
MOVEMENT WHICH COULD RESULT IN SERIOUS INJURY.  
1) Do not operate hand-held transceivers (transmitters receivers), such as citizens  
band (CB) radios, or turn ON personal communication devices, such as cellular  
phones, while the powered wheelchair is turned ON;  
2) Be aware of nearby transmitters, such as radio or TV stations, and try to avoid  
coming close to them;  
3) If unintended movement or brake release occurs, turn the powered wheelchair  
OFF as soon as it is safe;  
4) Be aware that adding accessories or components, or modifying the powered  
wheelchair, may make it more susceptible to EMI (NOTE: There is no easy way  
to evaluate their effect on the overall immunity of the powered wheelchair); and  
5) Report all incidents of unintended movement or brake release to the powered  
wheelchair manufacturer, and note whether there is a source of EMI nearby.  
Important Information  
1) 20 volts per meter (V/m) is a generally achievable and useful immunity level  
against EMI (as of May 1994) (the higher the level, the greater the protection);  
2) This device has been tested to a radiated immunity level of 20 volts per meter.  
3) The immunity level of the product is unknown.  
Modification of any kind to the electronics of this scooter as manufactured by Invac-  
are may adversely affect the EMI immunity levels.  
16  
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SECTION 3—SAFETY/HANDLING OF POWERED SCOOTERS  
SECTION 3—SAFETY/HANDLING OF  
POWERED SCOOTERS  
“Safety and Handling” of the powered scooter requires the close attention of the user.  
This manual points out the most common procedures and techniques involved in the safe  
operation and maintenance. It is important to practice and master these safe techniques  
until you are comfortable in maneuvering the powered scooter.  
Use this information only as a “basic” guide. The techniques that are discussed have been  
used successfully by many. Individual 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 obstacles  
that they may encounter; however, all warnings and cautions given in this manual MUST  
be followed. Techniques in t his manual are a starting point for the new powered scooter  
user with “safety” as the most important consideration for all.  
Stability and Balance  
WARNING  
DO NOT make sharp turns in the forward or reverse direction at excessive speed.  
Failure to observe the warning can cause the scooter to tip over and may result in  
injury to user and/ or damage to the product.  
ALWAYS wear your seat positioning strap. The seat positioning strap is a  
positioning belt ONLY. It is not designed for use as a safety device withstanding high  
stress loads such as auto or aircraft safety belts. If signs of wear appear, belt MUST  
be replaced immediately.  
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.  
Toassurestabilityandproperoperationofyou r powered scooter, you MUST, at all times,  
maintain proper balance. Your powered scooter has been designed to remain upright and  
stable during normal daily activities.  
Many activities require the scooter owner to reach, bend and transfer in and out of the  
powered scooter. These movements cause a change to the normal balance, the center of  
gravity, and the weight distribution of the powered scooter. 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 scooter. Proper positioning is essential for your safety.  
17  
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SECTION 3—SAFETY/HANDLING OF POWERED SCOOTERS  
Stairways  
WARNING  
DO NOT attempt to move an occupied powered scooter between floors using a  
stairway. Use an elevator to move an occupied powered scooter between floors.  
If moving a powered scooter between floors by means of a stairway, the occupant  
MUST be removed and transported independently of the powered scooter.  
Extreme caution is advised when moving an unoccupied powered scooter up or  
down the stairs. Invacare recommends disassembling the scooter and transporting  
the components independently up or down the stairs. ONLY use secure, non-  
detachable parts on each component for hand-hold supports.  
DO NOT attempt to lift a powered scooter by any removable (detachable) parts.  
Lifting by means of removable (detachable) parts may result in injury to the user or  
assistants or damage to the powered scooter.  
Escalators  
WARNING  
DO NOT use an escalator to move a powered scooter between floors. Serious  
bodily injury may occur.  
Powered scooter without the batteries can weigh between 80 and 89 lbs. Use  
proper lifting techniques (lift with your legs) to avoid injury.  
Follow this procedure for moving the powered scooter between floors when an elevator  
is not available:  
1. Remove the occupant from the powered scooter.  
3. Carefully move the powered scooter components up or down the stairway.  
4. Once all the components of the scooter are transported to the desired location  
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SECTION 4—SAFETY INSPECTION  
SECTION 4—SAFETY INSPECTION  
NOTE: Every six months take your powered scooter 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 powered scooter. To operate properly and safely, your powered scooter must be  
cared for just like any other vehicle. Routine maintenance will extend the life and efficiency of your  
powered scooter.  
WARNING  
Before performing any maintenance, adjustment or service, turn power Off and  
remove key from ignition.  
CAUTION  
As with any vehicle, the wheels and tires should be checked periodically for cracks  
and wear, and should be replaced.  
Safety Inspection Checklists  
Initial adjustments should be made to suit your personal body structure needs and  
preference. Thereafter follow these maintenance procedures:  
Inspect/Adjust Initially  
Ensure powered scooter drives straight (no excessive drag or pull to one side).  
Check frame for damage and corrosion.  
Ensure that the brake release lever is easy to engage/disengage.  
Ensure that tiller adjustment mechanism engages and disengages properly and  
securely.  
Ensure that the scooter stops completely when throttle is released (i.e., does not  
continue to roll as if the throttle is activated).  
Clean upholstery and armrests.  
Ensure armrest pad sits flush against arm tube.  
Inspect the seat upholstery for rips and tears.  
Inspect seat swivel for release and engagement (seat locks into the determined swivel  
positions).  
Inspect for excessive side movement or binding when the drive wheels are raised or  
turned.  
Inspect front wheel/fork assembly for proper tension by spinning the wheel. The front  
wheel should come to a gradual stop.  
Check the front fork for damage or corrosion.  
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SECTION 4—SAFETY INSPECTION  
Tighten locknut if the front wheel wobbles noticeably or loosen locknut if the wheel  
binds to a stop.  
Ensure that wheel bearings are clean and free of moisture.  
Ensure that the bolts and fasteners on the caster assemblies are tight.  
Inspect tires for flat spots and wear.  
Clean molded body shrouds.  
Check that all labels are present and legible.  
Inspect/Adjust Weekly  
Ensure that tiller adjustment mechanism engages and disengages properly and  
securely.  
Ensure that the scooter stops completely when throttle is released (i.e., does not  
continue to roll as if the throttle is activated).  
Inspect tires for flat spots and wear.  
Inspect/Adjust Monthly  
Check brake for binding or interference with travel.  
Inspect front wheel/fork assembly for proper tension by spinning the wheel. The front  
wheel should come to a gradual stop.  
Tighten locknut if the front wheel wobbles noticeably or loosen locknut if the wheel  
binds to a stop.  
Inspect seat swivel for release and engagement (seat locks into the determined swivel  
positions).  
Inspect the seat positioning strap for signs of wear. Replace if worn or damaged.  
Inspect seat positioning strap for any signs of wear. Ensure buckle latches. Verify that  
the hardware that attaches the seat positioning strap to the frame is secure and  
undamaged. Replace if necessary.  
Ensure that the bolts and fasteners on the caster assemblies are tight.  
20  
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SECTION 4—SAFETY INSPECTION  
Inspect/Adjust Periodically  
Ensure that the powered scooter drives straight (no excessive drag or pull to one side).  
Check frame for damage and corrosion.  
Ensure that the brake release lever is easy to engage/disengage.  
Inspect for no excessive side movement or binding when the drive wheels are raised  
or turned.  
Check front fork for damage or corrosion.  
Ensure wheel bearings are clean and free of moisture.  
Clean upholstery and armrests.  
Inspect the seat upholstery for rips and tears.  
Ensure armrest pad sits flush against arm tube.  
Check that all labels are present and legible.  
Inspect electrical components for signs of corrosion. Replace is corroded or damaged.  
Part No. 1143205  
21  
Lynx™L-3 & Lynx L-4  
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SECTION 5—MAINTENANCE AND TROUBLESHOOTING  
SECTION 5—MAINTENANCE AND  
TROUBLESHOOTING  
WARNING  
After any adjustments, repair or service and before use, make sure that all attaching  
hardware is tightened securely - otherwise, injury or damage may occur.  
Before performing any maintenance, adjustment or service, turn power Off and  
remove key from ignition.  
DO NOT overtighten hardware attaching to the frame. This could cause damage to  
the frame.  
When storing scooter for prolonged periods of time, remove batteries. Refer to  
recharge batteries before use. Refer to Charging the Batteries on page 41.  
Use care in storage. DO NOT allow any metallic objects to contact the exposed ter-  
minals.  
Suggested Maintenance Procedures  
1. Before using the powered scooter, make sure all nuts and bolts are tight. Check any  
parts for damage or wear and replace. Check all parts for proper adjustment.  
2. Ensure that batteries are properly maintained and charged as required.  
3. The wheels and tires should be checked periodically for cracks and wear, and should  
be replaced by a qualified technician.  
4. Regularly check for loose nuts and/or bolts in the front and drive wheels. If loose, have  
them adjusted by a qualified technician.  
5. Clean dirt, dust and grease from exposed components.  
6. Periodically have the bearings of the front wheel checked to make sure they are clean  
and free from moisture.  
22  
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SECTION 5—MAINTENANCE AND TROUBLESHOOTING  
Troubleshooting  
SYMPTOM  
PROBABLE CAUSE  
SOLUTION  
Limited Driving Distance.  
Battery not charged long enough.  
Charge batteries overnight or ensure eight  
hours of charge between use.  
Batteries weak, won’t hold  
charge.  
Replace batteries. Refer to Removing/  
Batteries not Charging.  
Charger not working.  
Replace charger. Contact Dealer or a  
qualified technician.  
Battery connections loose.  
Check all connections. Secure connections.  
No current at wall outlet.  
Bad connection on charger,  
charger cable, plug or internal  
wiring problem.  
Switch another wall outlet.  
Replace charger or internal repairs  
required. Contact Dealer or a qualified  
technician.  
Batteries draw excessive  
current when charging.  
Battery failure.  
Replace batteries. Refer to Removing/  
Battery indicator shows the Charger not working.  
charge level is low - too  
Soon after being recharged.  
Weak batteries.  
Have charger checked. Service or replace  
the charger. Contact Dealer or a qualified  
technician.  
Replace batteries. Refer to Removing/  
Scooter will not drive.  
Brake release lever disengaged.  
Engage brake release lever. Refer to  
Batteries require charging.  
Charge batteries. Refer to Charging the  
Key not fully plugged in.  
Charger plugged in.  
Ensure key is inserted fully into keyswitch.  
Unplug charger from scooter.  
Circuit breaker tripped.  
Circuit Breaker on page 25. If breaker trips  
again, it may indicate need for internal  
repairs. Contact Dealer or a qualified  
technician.  
Fuse blown in battery box.  
Contact Dealer or qualified technician.  
Soft stop engaged. If key is turned With key in the off position, wait for 30  
off while driving, the scooter  
holds power for 1.5 seconds  
slowly decelerating to a stop.  
seconds and turn key to the on position.  
Battery connections loose.  
Check all connections. Secure connections.  
23  
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SECTION 5—MAINTENANCE AND TROUBLESHOOTING  
Service Indicator Error Codes  
NUMBER OF FLASHES  
PROBLEM  
SOLUTION  
1
Batteries need charging.  
Recharge the batteries. Refer to  
2
3
Low battery voltage.  
Recharge the batteries before using.  
Battery voltage too high.  
Check battery condition and  
connections. Contact a qualified  
technician to check your battery  
charger.  
4
5
Motor current error.  
Scooter has drawn too much  
current. Verify there are no objects  
blocking the tires.  
Brake release lever is disengaged.  
Engage the brake release lever.  
Turn the key off, then on to reset. If  
this does not correct the problem,  
contact a qualified technician.  
6
Throttle control lever not in neutral. Turn the scooter power off, verify  
the throttle control lever is in the  
center position, and turn the power  
back on. If this does not correct the  
problem, contact a qualified  
technician.  
7
Throttle control lever malfunction  
or speed pot error.  
Contact a qualified technician.  
8
9
Motor problems.  
Contact a qualified technician.  
Contact a qualified technician.  
Other internal errors.  
Lynx™L-3 & Lynx L-4  
24  
Part No. 1143205  
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SECTION 5—MAINTENANCE AND TROUBLESHOOTING  
Resetting the Circuit Breaker  
WARNING  
NEVER defeat or bypass the circuit breaker. ONLY replace with a circuit breaker of  
the same rating.  
NOTE: For this procedure, refer to FIGURE 5.1 on page 25.  
NOTE: Key must be removed from ignition before resetting circuit breaker.  
1. To reset, press the circuit breaker button located below the seat.  
NOTE: Lynx L-3  
shown. Lynx L-4 circuit  
breaker button is in the  
same location.  
Seat  
Circuit Breaker  
Button  
Part No. 1143205  
25  
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SECTION 6—OPERATION OF THE POWERED SCOOTER  
SECTION 6—OPERATION OF THE  
POWERED SCOOTER  
Control Panel  
NOTE: For the following information, refer to FIGURE 6.1 on page 27.  
1. Speed Control Knob - The speed control knob is located on the right side of the control  
panel. The Turtle icon represents the slowest speed and the Rabbit icon represents the  
fastest speed.  
2. Battery Charge Display - The battery charge display is located at the top center of the  
control panel. When the scooter is turned on, the needle on the battery charge display  
will move to the right to indicate the amount of battery charge. The amount of battery  
charge is indicated by the colors on the display. If the charge is full, the needle will be  
to the right, in the GREEN area. As the battery charge decreases, the needle moves,  
from right to left. When the needle is in the YELLOW area, the batteries are draining  
and should be charged soon. When the needle is to the far left in the RED area, charge  
the batteries immediately. If the needle does not move when the scooter is turned on,  
the batteries should be charged as soon as possible.  
WARNING  
When negotiating ramps, if the throttle control lever is released while in forward  
motion, the powered scooter will roll back approximately one foot before brake  
engages. If the throttle control lever is released while in reverse motion the  
powered scooter will roll back approximately three feet before brake engages.  
3. Key - The key is just below the control panel. Turn the key:  
• To the Left - Turn the scooter off.  
• To the Right - Turn the scooter on.  
4. Horn Button - The horn button is located on left side of the control panel.  
5. Throttle Control Lever - The throttle control lever is located in front of the handles on  
the tiller assembly.  
6. Service Indicator - The service indicator will flash if there is a problem with the  
scooter. The number of flashes indicates the type of error. Refer to Service Indicator  
26  
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SECTION 6—OPERATION OF THE POWERED SCOOTER  
Battery Charge Display  
Horn Button  
Key  
Speed Control Knob  
Throttle Control Lever  
Service Indicator  
FIGURE 6.1 Control Panel  
Operating the Scooter  
WARNING  
After any adjustments, repair or service and before use, make sure that all attaching  
hardware is tightened securely - otherwise injury or damage may result.  
DO NOT make sharp turns in the forward or reverse direction at excessive speed.  
Failure to observe the warning can cause the scooter to tip over and may result in  
injury to user and/ or damage to the product.  
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 powered scooter.  
Ensure seat is properly locked before attempting transfer into or out of the  
powered scooter. Attempting unsafe transfers may cause a fall from the powered  
scooter resulting in bodily injury.  
For individuals with balance problems, practice transferring activities with an  
assistant in the presence of a qualified healthcare professional. DO NOT attempt to  
transfer into or out of the powered scooter without assistance.  
1. Before operating the powered scooter, review Control Panel on page 26.  
4. Transferring to and from the seat c an be accomplished in one of two ways:  
• Flipping up the armrest makes entering/exiting easier.  
• Rotating seat to the direction of transfer. Refer to Adjusting 90° Seat Swivel on  
5. Once you have transferred into the seat, rotate seat to the forward position and flip  
arms down.  
6. Adjust the tiller to a comfortable angle. Refer to Adjusting the Tiller Angle on page 34.  
27  
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SECTION 6—OPERATION OF THE POWERED SCOOTER  
7. Adjust speed control knob to the appropriate setting.  
NOTE: For driving indoors or on uneven terrain, a slower speed is recommended. For soft terrain  
or steep inclines (no greater than 8°), a faster speed may be necessary.  
8. Insert the key into the ignition and turn it to the on position.  
WARNING  
ALWAYS depress the throttle control lever gradually. This will ensure smooth safe  
starts.  
NOTE: Throttle control levers operate such that moving one will also move the opposite side  
throttle control lever.  
9. To operate the scooter, depress the thr ottle control lever in the following manner:  
• To Move Forward - Push th e right side throttle control lever (away from the user)  
or pull the left side throttle control lever towards the user).  
• To Move in Reverse - Push the left side thr ottle control lever (away from the user)  
or pull the right side throttle control lever (towards the user).  
• To Stop - Release the throttle control lever and the powered scooter will quickly  
slow down and the brake will engage.  
NOTE: To equip the scooter for left hand operation, contact a qualified technician.  
The powered scooter is equipped with a "proportional" control meaning that the farther  
you depress the throttle control lever, the faster the powered scooter travels. With a  
proportional control, you can drive as slowly in the high speed setting as you can in the  
low speed setting. Your top speed, however, is limited by the setting of the speed-control  
knob. For safety reasons, reverse speed is limited to approximately 50% of forward speed.  
When first learning to drive, adjust speed control knob for a slow speed and try to drive  
the powered scooter as slowly as possible by depressing the throttle control lever only  
slightly. This exercise will help you learn to utilize the full potential of the proportional  
control and allow you to start and stop smoothly.  
Lynx™L-3 & Lynx L-4  
28  
Part No. 1143205  
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SECTION 6—OPERATION OF THE POWERED SCOOTER  
Engaging/Disengaging the Brake Release Lever  
WARNING  
Ensure that the brake-release lever is in the engaged position before driving. There  
should be an audible "click" when stopping and starting the scooter.  
NOTE: For the following procedure, refer to FIGURE 6.2.  
The brake release lever manually engages and disengages the brake. The brake release  
lever is located under the seat on the right side.  
The brake must be engaged in normal driving conditions. Activation of the throttle  
control lever automatically releases the brake so that the powered scooter can drive.  
Releasing the throttle control lever automatically engages the brake so as to prevent the  
powered scooter from rolling on its own.  
When the brake release lever is disengaged and the key is removed, the powered scooter  
can be pushed. The powered scooter cannot be driven with the brake in the disengaged  
position.  
1. To engage the brake relea se lever (Drive) - Pull back the brake release lever.  
2. To disengage the brake release lever (Push ) - Push forward the brake release lever.  
NOTE: Lynx L-3  
shown. Lynx L-4 brake  
release lever is in the  
same location.  
Push Forward to  
Disengage (Push)  
Brake Release Lever  
Pull Back to Engage (Drive)  
Part No. 1143205  
29  
Lynx™L-3 & Lynx L-4  
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SECTION 7—SEAT AND ARMS  
SECTION 7—SEAT AND ARMS  
WARNING  
After any adjustments, repair or service and before use, make sure that all attaching  
hardware is tightened securely - otherwise injury or damage may result.  
Before performing any maintenance, adjustment or service, turn power off and  
remove key from ignition.  
NOTE: Refer to Label Locations on page 10 for pinch point location.  
Removing/Installing the Seat  
WARNING  
Before use, ensure that the seat is in the locked position. The seat lever MUST be  
pulled up to the 90° position to allow the seat to drop into the locked position. Oth-  
erwise, a fall from the scooter could occur causing bodily injury and/or damage to  
the scooter.  
NOTE: For this procedure, refer to FIGURE 7.1.  
Removing  
1. Fold down seat back.  
2. Pull up the seat lock lever.  
3. Lift the seat assembly up and away from the seat post.  
Installing  
1. Lower the seat assembly onto the seat post.  
2. Pull the seat lock lever up to allow the seat to drop into the locked position.  
3. Lift up on seat assembly to ensure the seat is secure.  
Seat  
Assembly  
Seat Lock  
Lever  
30  
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SECTION 7—SEAT AND ARMS  
Adjusting Seat Height  
NOTE: For this procedure, refer to FIGURE 7.2.  
2. Loosen the knob on the frame tube.  
3. Remove the locking pin that secures the seat post to the frame tube.  
4. Align the frame tube mounting hole with one of three seat post mounting holes to  
achieve desired seat height.  
WARNING  
Make sure the detent balls of the locking pin are fully released beyond the outer  
edge of the frame tube before operating the scooter. Otherwise, injury and/or  
damage may result.  
Keep detent balls clean.  
5. Insert the locking pin through the frame tube and seat post. Ensure the detent balls  
(not shown) of the locking pin are beyond the outer edge of the frame tube and the pin  
secures the frame tube to the seat post.  
6. Tighten the knob until the seat post does not move around inside of the frame tube.  
Seat Post  
NOTE: Knob removed  
for clarity. The knob  
does not have to be  
removed to perform  
this procedure.  
Mounting  
Holes  
Locking Pin  
Frame Tube  
Knob  
Frame Tube Mounting Hole  
31  
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SECTION 7—SEAT AND ARMS  
Adjusting 90° Seat Swivel  
WARNING  
Ensure that seat is locked into the forward position before and during operation of  
the scooter. Otherwise, injury to the user and/or damage to the scooter may result.  
CAUTION  
Use the seat swivel option with caution when accessories are installed (such as  
safety flag, crutch/cane holder, etc.). Otherwise, damage to the scooter or property  
may occur.  
NOTE: For this procedure, refer to FIGURE 7.3.  
1. Pull up the seat lock lever to unlock the seat.  
2. Rotate the seat to the desired position.  
3. Release the seat lock lever to lock the seat in the desired position.  
NOTE: Ensure that the seat is locked in the forward facing position before operating the scooter.  
Top View  
View From Back  
Seat  
Seat  
Seat  
Lock  
Lever  
Adjusting the Arm Width  
NOTE: For this procedure, refer to FIGURE 7.4.  
NOTE: When installing the arms during set up, the four mounting screws are installed on the seat  
hinge for shipping purposes.  
1. Loosen the knob securing the arm tube to the seat frame.  
2. Push the arm in or out to the desired position.  
Lynx™L-3 & Lynx L-4  
32  
Part No. 1143205  
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SECTION 7—SEAT AND ARMS  
NOTE: Lynx L-3  
shown. Lynx L-4  
adjusts the same way.  
Arm  
Arm  
Tube  
Knob  
Seat Frame  
Replacing Armrest Pads  
NOTE: For this procedure, refer to FIGURE 7.5.  
1. Remove the two mounting screws that secure the armrest pad to arm.  
2. Remove the old armrest pad.  
3. Install new armrest pad and securely tighten with existing mounting screws.  
4. If necessary, repeat STEPS 1-3 to replace the other armrest pad.  
Arm Pad  
Arm  
Mounting Screws  
Part No. 1143205  
33  
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SECTION 8—TILLER ADJUSTMENT  
SECTION 8—TILLER ADJUSTMENT  
Adjusting the Tiller Angle  
WARNING  
Before performing any maintenance, adjustment or service, turn power Off and  
remove key from ignition.  
Ensure that tiller is properly adjusted before driving the scooter.  
After making any tiller angle adjustments and before use, the tiller MUST be  
securely locked into position. Otherwise, a fall from the scooter could occur causing  
bodily injury and/or damage to the scooter. Gently, push/pull against tiller to ensure  
that the tiller is securely engaged into the adjustment plate.  
NOTE: For this procedure, refer to FIGURE 8.1.  
NOTE: The powered scooters feature an adjustable tiller. The tiller locks into one of three positions.  
The tiller can also be folded down for transportation and storage.  
1. Pull out the tiller adjustment lever (Detail A”) until the pin disengages from the  
mounting hole.  
2. Move the tiller to the desired position.  
3. Release the tiller adjustment lever to lock the pin into the desired mounting hole  
(Detail A”).  
4. Gently push/pull against tiller to ensure that the tiller is securely locked.  
DETAIL “A”  
Tiller  
Assembly  
Tiller  
Adjustment  
Lever  
Mounting Hole  
Pin  
34  
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SECTION 9—WHEELS AND CASTERS  
SECTION 9—WHEELS AND CASTERS  
WARNING  
After any adjustments, repair or service and before use, make sure that all attaching  
hardware is tightened securely - otherwise injury or damage may result.  
Before performing any maintenance, adjustment or service, turn power Off and  
remove key from ignition.  
Removing/Installing the Drive Wheels  
NOTE: For this procedure, refer to FIGURE 9.1 on page 36.  
NOTE: This procedure applies to the rear wheels on the Lynx L-3 and all wheels on the Lynx L-4.  
Removing  
1. Turn power off and remove the key from the ignition.  
3. Place the rear frame assembly (not shown) up on blocks so that the drive wheels are  
off the ground.  
4. Remove the washer and mounting screw that secure the drive wheel to the drive shaft.  
5. Remove the existing drive wheel assembly from the drive shaft.  
NOTE: Use a wheel puller if necessary to remove the wheel from the drive shaft.  
6. Remove keystock from drive shaft. Set aside.  
7. If necessary, repeat STEPS 1-7 to remove other drive wheel.  
Installing  
1. Place keystock in cutout on drive shaft as shown in FIGURE 9.1.  
NOTE: The keystock in the drive shaft MUST lineup with the cutout in the wheel hub.  
NOTE: If necessary, use a rubber hammer to gently tap drive wheel completely into position on the  
drive shaft.  
2. Install the drive wheel onto the drive shaft.  
3. Secure wheel to drive shaft using the mounting screw and washer. Securely tighten.  
4. Repeat STEPS 1-3 to install the other drive wheel.  
35  
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SECTION 9—WHEELS AND CASTERS  
NOTE: Front wheel shown.  
Rear wheel installs the same  
way.  
Drive Wheel  
Keystock  
Washer  
Mounting  
Screw  
Drive Shaft  
Removing/Installing the Front Wheel  
NOTE: For this procedure, refer to FIGURE 9.2.  
NOTE: This procedure applies to the Lynx L-3 only.  
NOTE: Take note of position and orientation of wheel and mounting hardware before removing.  
Removing  
1. Turn power off and remove the key from the ignition.  
2. Place the front of the powered scooter up on blocks so that the front wheel is off the  
ground.  
3. Remove the mounting screw, locknut, two spacers and washer that secure the front  
wheel to the fork.  
4. Remove the front wheel from the fork.  
Fork  
Fork  
Mounting  
Hole  
Installing  
Fork  
Mounting  
Hole  
1. Align the front wheel with the fork  
mounting holes.  
Locknut  
2. Using the mounting screw, locknut,  
two spacers and washer, secure the  
front wheel to the fork.  
Front  
Wheel  
Washer  
Mounting  
Screw  
3. Securely tighten the front wheel  
mounting hardware.  
Spacer  
Spacer  
36  
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SECTION 10—BATTERIES  
SECTION 10—BATTERIES  
WARNING  
Before performing any maintenance adjustment or service, turn power off and  
remove key from ignition.  
NEVER allow any of your tools and/or battery cables to contact both battery  
terminals at the same time. An electrical short may occur and serious personal  
injury or damage may occur.  
The use of rubber gloves is recommended when working with batteries.  
DO NOT tip the batteries. Keep the batteries in an upright position.  
Invacare strongly recommends that battery installation and battery replacement  
always be done by a qualified technician.  
All battery terminals caps (two on the left battery and two on the right battery)  
MUST be installed prior to use.  
CAUTION  
When connecting the battery cables to the batteries, the battery cables MUST be  
connected to the battery terminals/posts as shown in FIGURE 10.3 - otherwise dam-  
age to the battery may result.  
NOTE: If there is battery acid in the bottom of the battery box or on the sides of the batteries, apply  
baking soda to these areas to neutralize the battery acid. Before reinstalling the existing or new  
batteries, clean the baking soda from the battery tray or batteries being sure to avoid contact with  
skin and eyes. Determine source of contamination. Never install/reinstall a battery with a cracked  
or otherwise damaged case.  
Recommended Battery Type  
WARNING  
The warranty and performance specifications contained in this manual are based on  
the use of deep cycle gel cell batteries. Invacare strongly recommends their use as  
the power source for this unit.  
CAUTION  
Failure to use the correct battery size and/or voltage may cause damage to the  
powered scooter and give unsatisfactory performance.  
NOTE: For this procedure, refer to FIGURE 10.1 on page 38.  
The Lynx L-3 and Lynx L-4 powered scooters are designed to use two 12 volt, 12-Amp-  
hour (12 AH) batteries.  
NOTE: Recommended battery type is spill proof and requires no maintenance except routine  
charging.  
37  
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SECTION 10—BATTERIES  
NOTE: Charge batteries daily. DO NOT allow batteries to completely discharge.  
NOTE: Invacare recommends that both batteries be replaced if one battery is defective.  
12 Volt, 12 Amp-  
Hour (12AH)  
Battery  
Removing/Installing the Battery Box  
NOTE: For this procedure, refer to FIGURE 10.2.  
Removing  
1. Turn power off and remove the key from the ignition.  
3. Hold the battery box handle and lift the battery box up and away from the scooter  
(Detail A”).  
Installing  
1. Turn power off and remove the key from the ignition.  
3. Holding the battery box handle, carefully lower the battery box on to the battery tray  
in the scooter (Detail “B”).  
4. Press down the battery box to engage the connector on the battery box (not shown)  
with the connector on the scooter base (Detail “B”).  
38  
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SECTION 10—BATTERIES  
DETAIL “A”  
DETAIL “B”  
Battery Tray  
Battery Box  
Connector on Base  
Battery Box Handle  
Removing/Installing the Batteries  
NOTE: For this procedure, refer to FIGURE 10.3.  
Removing  
2. Remove the battery box from the scooter. Refer to Removing/Installing the Battery Box  
3. Remove the twelve mounting screws (not shown) that secure the battery box top to the  
battery box (Detail A” of FIGURE 10.3).  
NOTE: Mounting screws are located on the underside of the battery box.  
4. Disconnect the wiring harness from the batteries by holding the connectors and  
pulling them in the following order (Detail “B” of FIGURE 10.3):  
A. NEGATIVE (-) BLACK battery cable from the NEGATIVE (-) battery terminal on  
the left battery.  
B. POSITIVE (+) RED battery cable from the POSITIVE (+) battery terminal on the  
right battery.  
C. WHITE battery cable (Jumper) from the POSITIVE (+) battery terminal on the left  
battery and the NEGATIVE (-) battery terminal on the right battery.  
5. Remove the tape securing the thermal switch to the side of the left battery.  
6. Remove the batteries from battery box by lifting the batteries out.  
Part No. 1143205  
39  
Lynx™L-3 & Lynx L-4  
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SECTION 10—BATTERIES  
Installing  
1. Install the two new batteries into the battery box.  
2. Secure the thermal switch to the side of the left battery using tape*.  
*NOTE: The thermal switch needs to be well secured and in direct contact with the side of the  
battery. Service tape is available as a service part and is the recommended solution. As an alternate,  
a heavy duty “duct” styled tape can be used. If “duct” styled tape is used, wrapping the tape  
completely around the battery with minimal overlap will provide the best adhesion.  
3. Connect the wiring harness to the batteries in the following order (Detail “B” of  
FIGURE 10.3):  
A. NEGATIVE (-) BLACK battery cable to the NEGATIVE (-) battery terminal on the  
left battery.  
B. POSITIVE (+) RED battery cable to the POSITIVE (+) battery terminal on the right  
battery.  
C. WHITE battery cable (Jumper) to the POSITIVE (+) battery terminal on the left  
battery and the NEGATIVE (-) battery terminal on the right battery.  
4. Replace the top of the battery box and secure with the twelve mounting screws (Detail  
A” of FIGURE 10.3). Securely tighten.  
5. Reinstall the battery box on to the scooter frame. Refer to Removing/Installing the  
6. Reinstall the seat. Refer to Removing/Installing/Adjusting the Padded Seat on page 29  
or Removing/Installing the Deluxe Seat on page 31.  
NEGATIVE (-)  
Detail “A”  
Detail “B”  
BLACK Battery Cable  
Battery  
Box Cover  
Battery  
Box Cover  
WHITE Battery Cable  
(Jumper)  
NEGATIVE (-)  
BLACKBattery  
Terminal  
POSITIVE(+)  
RED Battery  
Terminal  
Cables  
to  
Thermal  
Switch  
(not  
POSITIVE(+)  
RED Battery  
Cable  
shown)  
Battery  
Box  
Right Battery  
Battery  
Box  
Left Battery  
Lynx™L-3 & Lynx L-4  
40  
Part No. 1143205  
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SECTION 10—BATTERIES  
Charging the Batteries  
WARNING  
NEVER attempt to recharge the batteries by attaching cables directly to the  
battery terminals or clamps.  
DO NOT attempt to recharge the batteries and operate the powered scooter at  
the same time.  
Only use the provided charger with this product.  
CAUTION  
New batteries MUST be fully charged prior to initial use of the powered scooter.  
DO NOT sit in the scooter while recharging the batteries.  
ALWAYS charge new batteries before initial use or battery life will be reduced.  
As a general rule, you should recharge your batteries as frequently as possible to  
assure the longest possible life and to minimize required charging time. Plan to  
recharge them when you do not anticipate using the powered scooter.  
The range per battery charge using recommended batteries should be approximately five  
to nine hours of typical operation. Extensive use on inclines may substantially reduce per  
charge mileage.  
WARNING  
If the circuit breaker trips repeatedly, IMMEDIATELY unplug charger and contact  
dealer or a qualified technician.  
NOTE: For this procedure, refer to FIGURE 10.4.  
NOTE: The powered scooter is designed with an electrical lockout to prevent it from being driven  
while the charger is plugged into an outlet.  
NOTE: Always charge the batteries completely until the battery charger light turns GREEN.  
1. Turn the key to the Off position.  
2. If desired, remove the battery box from the scooter. Refer to Removing/Installing the  
4. Move the battery charger port cap (located on the left side of the battery box) to one  
side.  
5. Remove the battery charger cable from the storage compartment on the front of the  
battery box.  
6. Plug one end of the battery charger cable into the battery charger port located on the  
battery box.  
Part No. 1143205  
41  
Lynx™L-3 & Lynx L-4  
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SECTION 10—BATTERIES  
7. Plug the other end of the battery charger cable into 110-volt wall outlet.  
NOTE: The battery charger light will be YELLOW or RED.  
8. Allow the batteries to charge until the charger light turns GREEN.  
9. Perform one of the following:  
• Battery charger light turns GREEN - Unplug the battery charger cable from the  
scooter and the wall outlet.  
• Battery charger light flashes GREEN for over 40 minutes - Perform the following  
steps:  
i. Check that the battery charger is correctly connected to the scooter and the wall  
outlet.  
ii. Check that the scooter is turned off.  
iii. If steps i and ii do not correct the problem, contact a qualified technician.  
10. Unplug the battery charger from the wall outlet.  
11. Unplug the battery charger from the scooter.  
12. Store the battery charger cable in the storage compartment.  
13. Move the battery charger port cap to cover the battery charger port.  
14. If removed, install the battery box onto the scooter. Refer to Removing/Installing the  
Battery Charger Indicator Light  
Battery Charger Port Cap  
Wall Outlet  
BatteryCharger  
Port  
Storage Compartment  
Battery Box  
BatteryCharger  
Cable  
Lynx™L-3 & Lynx L-4  
42  
Part No. 1143205  
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SECTION 11—TRANSPORTING  
SECTION 11—TRANSPORTING  
WARNING  
After any adjustments, repair or service and before use, make sure that all attaching  
hardware is tightened securely - otherwise injury or damage may result.  
Before performing any maintenance, adjustment or service, turn power off and  
remove key from ignition.  
DO NOT lift the scooter by the rear shroud - otherwise damage to the scooter may  
occur.  
Transporting the Scooter  
NOTE: For this procedure, refer to FIGURE 11.1 on page 44.  
Disassembling  
1. Turn power off and remove the key from the ignition.  
2. Remove the basket.  
5. Hold the seat post with one hand (Detail A”).  
6. With the other hand, push the release lever to the rear of the scooter.  
7. Lift the seat post to separate the front frame assembly from the rear frame assembly  
(Detail “B”).  
8. Fold tiller down to lowest locked position. Refer to Adjusting the Tiller Angle on  
Assembling  
2. Pivot the rear frame assembly until it is vertical (Detail “C”).  
3. Hold the seat post and align the curved locking brackets on the front frame assembly  
with the bar on the rear frame assembly.  
4. While holding the seat post, slowly pivot the rear frame assembly forward until the  
release lever locks (Detail “B”).  
7. Install the basket.  
43  
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SECTION 11—TRANSPORTING  
DETAIL “B”  
DETAIL “A”  
Release Lever  
Seat Post  
Seat Post  
Front Frame  
Assembly  
Release  
Lever  
Rear Frame Assembly  
DETAIL “C”  
Rear Frame Assembly (in  
Vertical Position)  
Front Frame Assembly  
Release  
Lever  
Front Frame Assembly Curved  
Bracket  
Rear Frame Assembly Bar  
44  
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SECTION 12—ACCESSORIES  
SECTION 12—ACCESSORIES  
WARNING  
After ANY adjustments, repair or service and before use, make sure that all  
attaching hardware is tightened securely - otherwise injury or damage may result.  
Before performing any maintenance, adjustment or service, turn power off and  
remove key from ignition.  
NOTE: The crutch/cane holder, safety flag, rear mounted basket and oxygen holder all install into  
the accessory tubes; ONLY one of these may be installed at a time.  
Installing/Removing the Accessory Tube  
NOTE: For this procedure, refer to FIGURE 12.1.  
Installing  
1. Position the accessory tube onto the seat frame.  
2. Secure the accessory tube to the seat frame using the mounting screw.  
3. Remove the mounting knob from the accessory tube (Detail A”).  
4. Remove the cap from the accessory tube.  
Removing  
1. Remove the mounting screw securing the accessory tube to the seat frame.  
2. Remove the accessory tube from the seat frame.  
DETAIL “A”  
Mounting  
Knob  
Cap  
Mounting Screw  
Accessory Tube  
45  
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SECTION 12—ACCESSORIES  
Installing/Removing the Crutch/Cane Holder  
WARNING  
The installation of the crutch/cane holder onto the back of the scooter seat signifi-  
cantly increases the length of the scooter. When turning the scooter or swiveling  
the scooter seat, it is important to take note of this increased length - otherwise,  
injury and/or damage to the surrounding property may result.  
NOTE: For this procedure, refer to FIGURE 12.2.  
Installing  
1. Install the crutch/cane holder into the accessory tube located on the back of the seat.  
2. Install the mounting knob to secure the crutch/cane holder in place. Securely tighten.  
3. Align the slot on the base with the hook on the crutch/cane holder and slide base down  
into position.  
Removing  
1. Remove the crutch/cane holder from the accessory tube.  
2. Remove the mounting knob that secures the crutch/cane holder in place.  
3. Remove the crutch/cane holder from the accessory tube.  
Crutch Cane  
Holder  
Mounting Knob  
Hook  
Base  
Accessory Tubes  
46  
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SECTION 12—ACCESSORIES  
Installing/Removing the Safety Flag  
WARNING  
The installation of the safety flag onto the back of the scooter seat significantly  
increases the length of the scooter. When turning the scooter or swiveling the  
scooter seat, it is important to take note of this increased length - otherwise, injury  
and/or damage to the surrounding property may result.  
NOTE: For this procedure, refer to FIGURE 12.3.  
Installing  
1. Install the bracket into the accessory tube located on the back of the seat.  
2. Install mounting knob to secure the bracket in place. Securely tighten.  
3. Install safety flag into bracket.  
Removing  
1. Remove the safety flag from the bracket.  
2. Remove the mounting knob that secures the bracket in place.  
3. Remove the bracket from the accessory tube located on the back of the seat.  
Safety Flag  
Mounting Knob  
Bracket  
Accessory Tubes  
Installing/Removing/Using the Walker Holder  
INSTALLATION WARNINGS  
After ANY adjustments, repair or service and before use, make sure that all  
attaching hardware is tightened securely.  
The installation of the walker holder onto the back of the scooter seat significantly  
increases the length of the scooter. When turning the scooter or swiveling the  
scooter seat, it is important to take note of this increased length - otherwise, injury  
and/or damage to the surrounding property may result.  
Part No. 1143205  
47  
Lynx™L-3 & Lynx L-4  
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SECTION 12—ACCESSORIES  
Installing/Removing the Walker Holder  
NOTE: For this procedure, refer to FIGURE 12.4.  
NOTE: Reverse this procedure to remove the walker holder.  
1. If necessary, loosen but DO NOT remove the mounting knob.  
2. Install the walker holder into the accessory tube.  
3. Thread the mounting knob into the welded nut on the accessory tube. Securely  
tighten.  
Walker Holder  
Mounting Knob  
Accessory Tubes  
Using the Walker Holder  
NOTE: For this procedure, refer to FIGURE 12.5.  
1. Fold walker. Refer to walker instructions.  
NOTE: Walker MUST be folded before using walker holder.  
2. Hang folded walker on walker holder hooks.  
3. Secure walker with hook and loop straps.  
Hook  
Hook and  
Loop Strap  
Mounting Knob  
Accessory Tubes  
Lynx™L-3 & Lynx L-4  
48  
Part No. 1143205  
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SECTION 12—ACCESSORIES  
Installing/Removing the Rear Mounted Basket  
WARNING  
The rear mounted basket is rated for a maximum capacity of ten lbs.  
After ANY adjustments, repair or service and before use, make sure that all  
attaching hardware is tightened securely.  
The installation of the basket and basket bracket onto the back of the scooter seat  
increases the length of the scooter. When turning the scooter or swiveling the  
scooter seat, it is important to take note of this increased length - otherwise, injury  
and/or damage to surrounding property may occur.  
NOTE: For this procedure, refer to FIGURE 12.6.  
Installing  
1. Loosen but DO NOT remove the mounting knob.  
2. Install the basket bracket into the accessory tube.  
3. Thread the mounting knob into the welded nut on the accessory tube. Securely  
tighten.  
4. Align the mounting clips on the bracket with the slots on the basket and slide the  
basket down securely into position.  
Removing  
1. Remove the basket from the bracket.  
2. Loosen the mounting knob.  
3. Remove the basket bracket from the accessory tube.  
4. Tighten the mounting knob.  
Rear Basket  
Mounting Clips  
Slots  
Mounting Knob  
Accessory Tubes  
Basket Bracket  
Part No. 1143205  
49  
Lynx™L-3 & Lynx L-4  
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SECTION 12—ACCESSORIES  
NOTES  
Lynx™L-3 & Lynx L-4  
50  
Part No. 1143205  
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LIMITED 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 this product to be free from defects in materials and workmanship for a period of  
twelve months on electrical, transaxle and frame from date of purchase. 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 at the  
address on the bottom of the back cover. 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 SUBJECT 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. A CHANGE IN OPERATING NOISE, PARTICULARLY RELATIVE TO MOTORS  
AND GEARBOXES DOES NOT CONSTITUTE A FAILURE. ALL SUCH DEVICES WILL EXHIBIT  
A CHANGE IN OPERATING NOISE DUE TO AGING.  
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. INVACARE 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. 1143205  
51  
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Invacare Corporation  
USA  
Canada  
570 Matheson Blvd E Unit 8 Invacare, Yes, you can. and the Medallion  
One Invacare Way  
Elyria, Ohio USA  
44036-2125  
Mississauga Ontario  
L4Z 4G4 Canada  
800-668-5324  
Design are registered trademarks of  
Invacare Corporation.  
Lynx is a trademark of Invacare  
Corporation.  
© 2006 Invacare Corporation  
800-333-6900  
PRODUCT MADE  
IN TAIWAN  
Part No. 1143205  
Rev B - 07/24/06  
DISTRIBUTED BY  
INVACARE  
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