TM 9-2320-361-20 11-28. DRIVER’S SEAT REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) All TM 9-2320-361-10 TM 9-2320-361-20P MATERIALS/PARTS Four screw-assembled lockwashers EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). a. Removal Remove four screw-assembled lockwashers (1) and driver’s seat and base (2) from cab floor (3). Discard screw-assembled lockwashers (1). b. Installation Install driver’s seat and base (2) on cab floor (3) with four new screw-assembled lockwashers (1). 11-49