Formula™ CG Tilt
Manual Center Mount Front Rigging
Assembly, Installation and Operating Instructions
Model No: CTMT-F, CTMT-FJ, CTMT-FL
SAVE THESE INSTRUCTIONS
NOTE: Check all parts for shipping damage. In case of shipping damage, DO NOT use. Contact
Carrier/Dealer for further instruction.
Safety Summary
To ensure the safe and proper installation of the Manual Center Mount Front Rigging,
these instructions MUST be followed:
ꢀ WARNING
DO NOT install this equipment without first reading and understanding this
instruction sheet. If you are unable to understand the warnings, cautions and
instructions, contact a healthcare professional, dealer or technical personnel if
applicable, before attempting to install this equipment - otherwise, injury or
damage may occur.
This procedure MUST be performed by a qualified technician.
Make sure power to the wheelchair is OFF before performing these procedures.
ꢀ INSTALLATION WARNING
After any adjustments, repair or service and before use, make sure all attaching
hardware is securely tightened.
ꢀ ACCESSORIES WARNING
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.
For more information regarding Invacare products, parts, and services,
1
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14
11
9
10
20
12
24
20
8
2
15
17
18
6
3
19
5
2
16
23
4
7
13
4
1
22
25
21
Removing the Existing Front Rigging Support
NOTE: For this procedure, refer to FIGURE 2.
1. Remove the two cap screws, two spacers and threaded block securing the front rigging
support to the side rail.
2. Remove the existing front rigging support.
3. Repeat STEP 1 and STEP 2 on the opposite side.
4. On the side of the wheelchair where the release handle will be mounted, remove the
side rail end cap.
NOTE: T‐nut will be installed on the same seat rail that the release lever will be mounted to.
5. Install the T‐nut (not shown) into the slot in the side rail.
6. Slide the T‐nut rearward.
7. Reinstall the side rail end caps.
Spacers
Cap Screws
Slot in Side Rail
NOTE: Side Rail End
Cap Not Shown
Cap Screws
Threaded Blocks
Front Rigging
Supports
Spacers
3
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Installing the Center Mount Front Rigging Support
NOTE: For this procedure, refer to FIGURE 3 on page 5.
NOTE: Right and left sides of the wheelchair are from the perspective of the seated user in the
wheelchair.
1. Remove the seat pan. Refer to the wheelchair owner’s manual.
2. Install one plug button into each side rail.
3. If necessary perform the following to adjust the center mount rigging support width.
A. Measure distance between the seat rails.
B. Remove the two ¼‐20 X 1.25 inch socket head cap screws and ¼‐20 inch locknuts.
C. Position the two support extensions according to Detail “A”.
D. Using the two ¼‐20 X 1.25 inch socket head screws and ¼‐20 inch locknuts, secure
the two support extensions to the center mount rigging support.
4. Secure the left side of the center mount rigging support to the seat frame bracket using
two ¼‐20 X 1.50 inch socket head screws and two spacers. Torque to 79 in‐lbs.
5. Secure the right side of the center mount rigging support to the seat frame using the
remaining two ¼‐20 X 1.50 inch socket head screws. Torque to 79 in‐lbs.
6. Position the seat pan (not shown) onto the seat frame.
7. Secure the center mount rigging support to the seat pan and front of the seat frame
using the new ¼‐20 X 1.5 inch button head screw and new ¼‐20 inch locknut.
8. Secure the rear of the seat pan (not shown) to the rear of the seat frame using the
existing button head screw.
4
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DETAIL “A”
Short and Long Center Mount
Front Rigging Support
Junior Center Mount
Rigging Front Support
24W
23W
22W
21W
20W
24W
23W
22W
16W
15W
14W
13W
12W
16W
15W
14W
21W
20W
19W
16W
17W
16W
13W
12W
17W
18W
18W
19W
NOTE: Seat pan and
existing button head
screws not shown for
clarity.
¼-20 X 1.50 inch
Button Head Screw
Seat Frame
Plug Button
Side Rail
¼-20 X 1.25 inch
¼-20 X 1.25 inch
Socket Head Screws
¼-20 inch Locknut
Spacer
Socket Head Screws
¼-20 inch Locknut
Center Mount Rigging Support
¼-20 X 1.25 inch Socket Head Screws
¼-20 inch Locknut
FIGURE 3 Installing the Center Mount Front Rigging Support
5
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Mounting the Release Lever Assembly to the Seat
Frame
NOTE: For this procedure, refer to FIGURE 4.
NOTE: The release lever assembly consists of the release handle, cable and ratchet housing.
1. Insert the glide bearing into the ratchet housing.
2. Using the two 10‐32 X .69 pan head screws and #10 lock washers, secure the
cable/brake assembly to the ratchet housing. Torque to 32 in‐lbs.
3. Secure the ratchet housing to the mounting bracket on the center mount front rigging
support with the 5/16 X 1.625 inch socket head shoulder screw and 1/4‐20 inch locknut
provided (Detail “A”). Torque to 79 in‐lbs.
4. Secure the release handle to the release handle mounting bracket with the 10‐32 X .50
inch socket head screw and 10‐32 inch square nut. Securely tighten.
5. Secure the release handle mounting bracket to the T‐nut in the side rail with the
5/16‐18 X .50 inch hex head bolt. Torque to 13 ft‐lbs.
6. Tie‐wrap cable as shown in Detail “A”.
DETAIL “A”
Center Mount Front
Tie-Wrap the
Rigging Support
Cable Here
1/4-20 inch Locknut
Ratchet Housing
NOTE: Seat pan not
shown for clarity.
5/16 X 1.625 inch Socket
Head Shoulder Screw
10-32 X .50 inch
5/16-18 X .50 inch
Socket Head Screw
Hex Head Bolt
Side Rail
T-Nut
Release Handle
(Shown exploded
Mounting Bracket
for clarity)
10-32 inch
Square Nut
Release Handle
Seat Frame
Cable
FIGURE 4 Mounting the Release Lever Assembly to the Seat Frame
6
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Removing/Installing the Manual Center Mount Footrest
Removing
1. Remove the rigging pivot pin that secures the footrest to the mounting bracket of the
seat frame.
2. Hold the footrest with one hand and engage the release lever with the other while
simultaneously pulling the center mount footrest out of the mounting bracket of the
seat frame.
Installing
1. Engage the release lever with one hand, hold the center mount footrest with the other,
and insert the center mount footrest into the mounting bracket of the seat frame.
2. Reinstall the rigging pivot pin to secure the center mount footrest to the mounting
bracket of the seat frame.
NOTE: Release Lever
located towards the front or
center of seat frame.
Rigging Pivot Pin
Seat Frame Mounting Bracket
Center Mount Footrest
7
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Adjusting the Height of the Manual Center Mount
Footrest
ꢀ WARNING
While the wheelchair is moving, minimum ground clearance for the front rigging is
three inches. If the wheelchair is not moving, the front rigging MUST maintain a
minimum of one inch ground clearance - otherwise personal injury and damage may
result.
1. Loosen the two mounting screws that secure the button head cleat to the extension
housing.
2. Adjust the footrest extension tube to the desired height.
3. Secure the extension tube to the desired height with the button head cleat and
mounting screws. Securely tighten.
4. Repeat STEPS 1‐3 for the other extension tube.
Extension
Button Head Cleat
Housing
Extension Tube Mounting Holes
Mounting Screws
Extension Tube
8
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Adjusting the Angle of the Manual Center Mount
Footrest
ꢀ WARNING
While the wheelchair is moving, minimum ground clearance for the front rigging is
three inches. If the wheelchair is not moving, the front rigging MUST maintain a
minimum of one inch ground clearance - otherwise personal injury and damage may
result.
1. Engage the release lever with one hand
(not shown) and move the center
mount footrest to the desired angle
with the other hand.
Footplate
Center Mount
Footrest
the release lever.
2. Disengage the release lever (not shown)
to lock the center mount footrest in the
new position.
Adjusting the Footplate Angle
1. Flip footplate up.
2. Screw the adjustment screw in or out until the desired angle is achieved.
3. Repeat STEPS 1 and 2 for the other footplate.
Manual Center
Mount Footrest
Footplate
(shown away from Extension Tube)
Adjustment
Screw
FIGURE 8 Adjusting the Footplate Angle
9
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Adjusting the Tension of the Flip Up Footplate
NOTE: For this procedure, refer to FIGURE 9.
NOTE: The tension can be adjusted to increase or decrease the rotation effort of the flip up
footplates.
1. Loosen the mounting screw on the front rigging angle hinge to decrease the rotation
effort.
NOTE: DO NOT remove the footplate mounting screw.
2. Tighten the front rigging angle hinge mounting screw to increase the rotation effort.
3. Repeat STEPS 1 and 2 for the other footplate.
Footplate
Center Mount
Front Rigging
Mounting Screw
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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 its product to be free from defects in materials and workmanship for twelve
months for the original purchaser. 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 back cover. Provide dealer's name, address, model number, and the date of
purchase, indicate nature of the defect and, if the product is serialized, indicate the serial number.
Invacare Corporation will issue a return authorization. The defective unit or parts must be
returned for warranty inspection using the serial number, when applicable, as identification within
thirty (30) days of return authorization date. DO NOT return products to our factory without our
prior consent. C.O.D. shipments will be refused; please prepay shipping charges.
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. 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.
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USA
Canada
All rights reserved. Trademarks are identified
by the symbols ™ and ®. All trademarks are
owned by or licensed to Invacare
One Invacare Way
Elyria, Ohio USA
44036-2125
570 Matheson Blvd E Unit 8
Mississauga Ontario
L4Z 4G4 Canada
800-668-5324
Corporation unless otherwise noted.
800-333-6900
©2008 Invacare Corporation
Part No 1145733
Rev C - 10/08
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