Adjusting The Back Height; Adjusting The Back Angle - Invacare Matrix MX1 User Manual

3 MONO MOUNT
3.7

Adjusting the Back Height

 9-inch (23 cm) Tall MX1 Back Cushions Only:
In order to optimize the available height adjustment on
the back cushion, it may be necessary to invert the
rigidizer bracket during installation. Refer to Installing
the Mounting Hardware on page 9.
1. Loosen the two locking wedge washers A on each side of the
rigidizer bracket B.
2. Adjust the back cushion to the desired height along the channels in
the mounting rail C.
3. Tighten the locking wedge washers on each side of the rigidizer
bracket to secure the back into position.
4. Adjust the back angle. Refer to Adjusting the Back Angle.
\
2
A
A
B
3.8

Adjusting the Back Angle

1. Loosen the compression bar hardware A.
2. Rotate the back cushion B around the rigidizer bar C to the
desired position.
3. Tighten the compression bar hardware to secure the back cushion
in position.
Invacare® Matrx® MX1
2
C
12
WARNING
DO NOT adjust the center screw in the rigidizer
bracket. The center screw D is designed only to hold
the compression bar in place during installation.
Adjusting this screw may prevent the compression bar
from tightening properly onto the back cane.
 When tightening the compression bar hardware, alternate
back and forth between the two mounting screws to
ensure the compression bar is fully secured.
4. Verify that all mounting hardware is properly tightened and the
back is held firmly in place on the rigidizer bar.
D
1 & 3
A
C
Part No. 1176090
B