Invacare Adjustable ASBA Seat - Manual (Page 65)

SECTION 11—ADULT SEATS
Part No 1143238 65 Adjustable ASBA Seat
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.
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.
*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.
FRAME SIZE SEAT DEPTH RANGE
SMALL 16 - 19 inches in 1-inch increments
LARGE 19 - 22 inches in 1-inch increments
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