Product Manual

Part No 1171722 5 Invacare® Matrx® PB
3 Setup
3.1 Hardware Kit Contents
3.2 Tools Required
Wrenches: 7/8” (22 mm)
Allen Keys: (provided)
Utility Knife/Scissors
Phillips Screwdriver
Tape Measure/Ruler
3.3 Before Installation
Mounting Configuration
The mounting plates are shipped pre-assembled on the cane clamps in the rearmost mounting
configuration. This maximizes the seat depth on the wheelchair seat (up to a maximum 2.5” (64 mm)
rearward offset - see image A).
By changing the orientation of the mounting plates on the cane clamps, the assembly can be reconfigured*
to provide a more forward mounting position for the back if desired (up to a maximum 2.5” (64 mm)
forward offset - see image B).
*To reconfigure a mounting plate/cane clamp to
the forwardmost orientation:
1. Detach the mounting plate from the cane clamp
(3 screws);
2. Rotate the cane clamp 180° and re-fasten it to
mounting plate;
3. Install cane clamp as illustrated in image B.

If any of the hardware is missing or misplaced, please contact our customer service department
and arrangements will be made to send you the necessary replacements.
Canada: 866-748-7943 USA: 888-433-6818
3/4” (19 mm) cane inserts are available from Motion Concepts upon request.
QTY DESCRIPTION
2 Back Mounting Plates
2 Cane Clamps
2 Cane Inserts (1” (25 mm))
2 Cane Inserts (7/8” (22 mm))
6 Depth/Recline Adjustment Screws
6 Cane Clamp Screws
2 Cane Clamp Nut Plates
4 Long Mounting Pins (optional)
Back
Mounting
Plate
Cane
Clamp
Nut
Plate
Depth/Recline
Adjustment
Screws
Cane Insert
Cane Clamp
Set Screw
Cane
Clamp
Screws

WARNING
When establishing the mounting position for the Matrx PB, ensure the stability of the wheelchair
is not compromised.
Adjusting the forward and aft position of the backrest will alter the user’s center of gravity within
the wheelchair. A recessed back position can significantly reduce the rearward stability of the
wheelchair. Similarly, a more forward back position will reduce the wheelchair’s forward stability.

Each mounting plates is also designed to provide 1.5" (38 mm) of fore and aft adjustment
relative to the cane clamp
Front of Wheelchair
A
B
Mounting plate in rearmost
back position (maximized
seat depth)
Mounting plate in
forwardmost back
position
Front of Wheelchair