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3 MONO MOUNT
Invacare® Matrx® MX1
12 Part No. 1171914
3.6 Installing the Back Shell onto the Mounting
Hardware
1. If necessary, disengage the outer cover hook and loop strip at the
bottom rear of the back (not shown).
2. Loosen the two locking wedge washers A on each side of the
rigidizer bracket B.
3. Align the notched channel C in the bracket with the corresponding
raised area D on the mounting rail E.
4. Slide the mounting rail onto the rigidizer bracket.
5. Adjust the back cushion to the desired height along the channels in
the mounting rail.
6. Tighten the locking wedge washers on each side of the rigidizer
bracket to secure the back into position.
7. Adjust the back height. Refer to Adjusting the Back Height
on
page 12.
3.7 Adjusting the Back Height
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
.
\
A
A
B
B
A
C
D
E
TOP VIEW
2 & 6
3-5
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.
A
A
2
2
B
C