TM10-3930-660-20 16-14. SEAT BELTS - REPLACE This task covers: a. Removal b.  Installation Initial Setup Tools Materials/Parts Tool Kit, Automotive Mechanics Lockwashers  (3) Equipment  Condition Vehicle parked on level ground. REMOVE SEAT BELTS (1) BY REMOVING TWO CAPSCREWS (2), TWO LOCKWASHER (3)’ AND TWO NUTS (4) WHICH RETAIN THE BELTS (1). DISCARD LOCKWASHER (3). INSTALLATION INSTALL SEAT BELTS (1) USING TWO CAPSCREWS (2), TWO NEW LOCKWASHES (3) AND TWO NUTS (4). 16-25