Invacare Pronto M91 Service Manual page 53

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 54.
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
16-INCH
17-INCH
18-INCH
19-INCH
20-INCH
21-INCH
22-INCH
*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. 1125038
Seat Depth Adjustment Table
53
SECTION 4—SEAT
DISTANCE* (IN INCHES)
5.50
4.50
3.50
2.50 (Small Frame)
5.50 (Large Frame)
4.50
3.50
2.50
®
Pronto M91™and M94™