Invacare Mobility Aid CTMT F User Manual

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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20  
12  
24  
20  
8
2
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17  
18  
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2
16  
23  
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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: Tnut will be installed on the same seat rail that the release lever will be mounted to.  
5. Install the Tnut (not shown) into the slot in the side rail.  
6. Slide the Tnut 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
 
   
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 owners 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 ¼20 X 1.25 inch socket head cap screws and ¼20 inch locknuts.  
C. Position the two support extensions according to Detail A”.  
D. Using the two ¼20 X 1.25 inch socket head screws and ¼20 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 ¼20 X 1.50 inch socket head screws and two spacers. Torque to 79 inlbs.  
5. Secure the right side of the center mount rigging support to the seat frame using the  
remaining two ¼20 X 1.50 inch socket head screws. Torque to 79 inlbs.  
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 ¼20 X 1.5 inch button head screw and new ¼20 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
 
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
 
 
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 1032 X .69 pan head screws and #10 lock washers, secure the  
cable/brake assembly to the ratchet housing. Torque to 32 inlbs.  
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 1/420 inch locknut  
provided (Detail A”). Torque to 79 inlbs.  
4. Secure the release handle to the release handle mounting bracket with the 1032 X .50  
inch socket head screw and 1032 inch square nut. Securely tighten.  
5. Secure the release handle mounting bracket to the Tnut in the side rail with the  
5/1618 X .50 inch hex head bolt. Torque to 13 ftlbs.  
6. Tiewrap 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
 
 
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
 
   
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 13 for the other extension tube.  
Extension  
Button Head Cleat  
Housing  
Extension Tube Mounting Holes  
Mounting Screws  
Extension Tube  
8
 
   
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.  
NOTE: For this procedure, refer to FIGURE 5 on page 7 and FIGURE 7.  
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  
NOTE: Refer to FIGURE 5 for the location of  
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
 
   
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  
 
   
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.  
 
Invacare Corporation www.invacare.com  
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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