Invacare Adjustable ASBA, Service Manual

Page: 40 / 52

SECTION 8—ADULT BACKS
Adjustable ASBA Seat
40
Part No 1143238
Removing
1. If applicable, remove the back pan. Refer to Removing the Contoura Back on page 37.
2. Remove armrest from the wheelchair. Refer to arms on page 35.
NOTE: Note the back angle before disassembly for proper reinstallation.
3. For proper installation, note the mounting position of the upper hex screw securing
the cane bracket to the back cane.
4. Remove the upper hex screw, washer and locknut securing the cane bracket to the
back cane.
5. Remove the lower hex screw, washer and locknut securing the cane bracket to the back
cane.
6. Remove the back cane from the wheelchair.
7. Repeat STEPS 2 - 6 for the opposite back cane.
Installing
NOTE: If replacing back canes, discard existing back canes and perform this procedure using new
back canes.
1. Install the lower hex screw, washer and locknut through the slot in the cane bracket to
secure the cane bracket to the back cane.
NOTE: The cane bracket should be positioned as shown in FIGURE 8.3.
2. Install the upper hex screw, washer and locknut through one of the following:
• Using the Same Back Angle - the mounting hole noted in STEP 3 of Removing on
page 40.
• Changing the Back Angle - the mounting hole determined in Adjusting the Back
Angle on page 38.
3. Torque both locknuts to 13 ft-lbs.
4. Repeat STEPS 1 - 3 for the opposite back cane.
5. Reinstall the armrest onto the wheelchair. Refer to arms on page 35.
6. If applicable, install the back pan. Refer to Installing the Contoura Back on page 37.