Invacare Adjustable ASBA Seat service manual Adjusting the Seat Depth

SECTION 11—ADULT SEATS

Adjusting the Seat Depth

NOTE: For this procedure, refer to FIGURE 11.3 on page 66.

1.Examine the following chart to determine if the desired seat depth adjustment is within or beyond the range of the existing seat frame.

FRAME SIZE	SEAT DEPTH RANGE
SMALL	16 - 19 inches in 1-inch increments
LARGE	19 - 22 inches in 1-inch increments

2.Perform one of the following:

•Seat Depth Adjustment is Within the Range of Existing Seat Frame ‐ Proceed to STEP 3.

•Seat Depth Adjustment is Beyond the Range of Existing Seat Frame ‐ Replace the side rails. Refer to Removing/Installing Side Rails on page 66.

3.Loosen, but DO NOT remove, the four hex screws and washers securing the bottom of the cane brackets to the side rails.

4.Loosen, but DO NOT remove, the four hex screws securing the front arm sockets to the side rails.

5.Use the following Seat Depth Adjustment Table to determine the distance required to obtain the desired seat depth.

Seat Depth Adjustment Table

SEAT DEPTH	DISTANCE* (IN INCHES)
16-INCH	5.50
17-INCH	4.50
18-INCH	3.50
19-INCH	2.50 (Small Frame)
	5.50 (Large Frame)
20-INCH	4.50
21-INCH	3.50
22-INCH	2.50

*NOTE: Distance is between the rear of the rear arm socket and the rear of the side rail (Detail “A”).

6.Measure the distance determined in STEP 5 from the end of the side rail.

7.Slide the cane brackets along the side rails to align the rear of the rear arm socket with the distance measured in STEP 6.

8.Secure the cane brackets to the side rails with the four hex screws and washers. Torque the hex screws to 13 ft‐lbs.

9.Secure the front arm sockets to the side rails with the four hex screws. Torque the hex screws to 13 ft‐lbs.

Part No 1143238 65 Adjustable ASBA Seat