TM 9-2320-361-20 11-29. DRIVER’S SEAT CUSHION, BACKREST, FRAME, AND SEAT ADJUSTER REPLACEMENT This task covers: a. Driver’s Seat Cushion Removal e. Driver’s Seat Adjuster Installation b. Driver’s Seat Backrest Removal f. Driver’s Seat Frame Installation c. Driver’s Seat Frame Removal g. Driver’s Seat Backrest Installation d. Driver’s Seat Adjuster Removal h. Driver’s Seat Cushion Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) All TM 9-2320-361-10 MATERIALS/PARTS TM 9-2320-361-20P Eight locknuts EQUIPMENT CONDITION Six lockwashers Parking brake set (TM 9-2320-361-10). a. Driver’s Seat Cushion Removal Remove four screws (14), lockwashers (15), two seat cushion brackets (16), and washers (13) from seat cushion (17) and seat frame (3). Remove seat cushion (17) from seat frame (3). Discard lockwasher (15). b. Driver’s Seat Backrest Removal 1. Remove two screws (6), lockwashers (5), and clips (4) from seat backrest (1) and seat frame (3). Discard lockwashers (5). 2. Remove four screws (7), backrest (1), and plate (2) from seat frame (3). c. Driver’s Seat Frame Removal Remove four locknuts (8) and seat frame (3) from seat adjusters (11). Discard locknuts (8). I d. Driver’s Seat Adjuster Removal I Remove four locknuts (10), two seat adjusters (11), and release wire (12) from seat base (9). Discard locknuts (10). I e. Driver’s Seat Adjuster Installation Install two seat adjusters (11) and wire (12) on seat base (9) with four new locknuts (10). I f. Driver’s Seat Frame Installation Install seat frame (3) on seat adjusters (11) with four new locknuts (8). I g. Driver’s Seat Backrest Installation 1. Install plate (2) and backrest (1) on seat frame (3) with four screws (7). 2. Install two clips (4), two new lockwashers (5), and screws (6) on seat frame (3) and backrest (1). 11-50