SECTION 10—BASE FRAME
86
Replacing Seat Support Brackets
NOTE: For this procedure, refer to FIGURE 10.2.
1. Remove the seat frame. Replacing the Seat Frame on page 66.
2. Remove standard seat frame subassembly.
3. Remove seat mounting plates. Refer to Replacing Seat Mounting Plates on page 85.
NOTE: Note the position of the seat support brackets before removing to ensure proper
reinstallation.
WARNING
DO NOT adjust the position of the seat support bracket in this procedure. If an
adjustment is desired, refer to Stability and Balance on page 36.
4. Remove the two mounting screws and washers that secure the seat support bracket to
the base frame.
WARNING
When installing seat support bracket, ensure the mounting screws are threaded
into the T-Nuts located inside the channel of the base frame.
5. Secure the new seat support bracket to base frame with the existing two mounting
screws and washers. Torque to 156 in-lbs (13 ft-lbs)(17.62 Nm).
6. Reinstall seat mounting plates. Refer to Replacing Seat Mounting Plates on page 85.
7. Adjust seat mounting plates to desired angle. Refer to Seat Angle Adjustment on
8. Reverse STEP 2.
FIGURE 10.2
Replacing Seat Support Brackets
Replacing Seat Support Bracket T-Nuts
NOTE: For this procedure, refer to FIGURE 10.3 on page 87.
1. Remove the seat frame. Replacing the Seat Frame on page 66.
2. Remove the seat mounting plates. Refer to Replacing Seat Mounting Plates on page 85.
Washer
Seat Support Bracket
Mounting Screws
Base Frame
T-Nut
Front
Back