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TM5-4210-299-14&P
4-137. SEAT REPLACEMENT.
This task covers:
a.
Removal
b.
Installation
INITIAL SET-UP
Tools
General Safety Instructions
General Mechanics Tool Kit
Engine OFF.
Transmission in (N) neutral
Materials/Parts
Parking brake set.
Drivers Seat (489905C91)
Passengers Seat (489907C91)
REMOVAL
a. Remove the four bolts which secure the upper adjuster
rails to seat bottom on right and left side and detach seat
and back assembly (1). Slide seat fore and aft as
necessary for access to mounting bolts.
b. Unlock seat adjuster wire (2) between the two rails (3)
and (4).
c. Remove two bolts which secure lower half of each
seat adjuster to seat riser (5) and remove right (3)
and left seat adjuster (4).
d. Clean seat adjusters as required. Apply a light coat of
multi-purpose lube (Appendix D, Item 37) to rails to
assure a smooth operation reassembly. Wipe away
excess lube.
INSTALLATION
a. Install seat adjusters (3) and (4) to seat riser (5)
and secure with bolts. Torque bolts to 20-22 ft- lb
(27-30 N.m).
b. Lock seat adjuster wire (2) between the two rails.
c. Attach seat and back assembly (1) to rails (3) and (4)
using four bolts.
4-148
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