SECTION 9—ADULT BACKS

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

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%.

DETAIL “A” - CANE

BRACKET

MOUNTING HOLES

95° 85°

90°

105°

100°

Locknut

Back Cane

Cane Bracket

Washer

Upper Hex

Screw

Lower Hex

Screw

FIGURE 9.2 Adjusting the Back Angle

Adjustable ASBA Seat

50

Part No 1143238

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Invacare Adjustable ASBA Seat service manual Adjusting the Back Width, Adjusting the Back Angle