Invacare Adjustable ASBA Seat - Manual (Page 50)

SECTION 9—ADULT BACKS
Adjustable ASBA Seat 50 Part No 1143238
Adjusting the Back Width
A new back pan is required when the back width is adjusted. Back width MUST be
adjusted with seat width. Refer to Adjusting the Seat Width on page 62.
Contoura Backs Only ‐ Seat and back widths are restricted to 16, 18, 20, 22 or 24 inches.
Adjusting the Back Angle
ƽ WARNING
Wheelchairs with TRRO Only - Adjusting the back angle from the factory setting
will void TRRO compliance. After adjusting the back angle, DO NOT transport an
occupied wheelchair in a motor vehicle of any kind. The wheelchair may only be
transported in a motor vehicle while unoccupied, and will be considered TRBKTS.
NOTE: For this procedure, refer to FIGURE 9.2.
1. Loosen, but DO NOT remove, the two lower hex screws securing the cane brackets to
the back canes.
2. Remove the two upper hex screws, washers and locknuts securing the cane brackets
to the back canes.
3. Align the upper mounting holes in the back canes with the desired mounting holes in
the cane brackets (Detail “A”).
4. Install the two upper hex screws, washers and locknuts to secure the cane brackets to
the back canes.
5. Torque the locknuts on upper and lower hex screws to 13 ft‐lbs ± 20%.
FIGURE 9.2 Adjusting the Back Angle
Cane Bracket
Back Cane
Upper Hex
Screw
Lower Hex
Screw
Washer
Locknut
105°
100°
90°
95°
DETAIL “A” - CANE
BRACKET
MOUNTING HOLES
85°