TM 10-3930-664-24 2-157.  FORK REPLACEMENT This task covers: Removal, Cleaning, Inspection, Installation INITIAL SETUP: Tools and Test Equipment: Personnel Required: General Mechanics Tool Kit (1, App.  E) 2 Personnel Materials / Parts: Locknut, Item 5, (2 ea.) A.  REMOVAL WARNING Carriage backrest is heavy and awkward.    Enlist  the  help  of  an  aide when  removing  to  prevent   injury   to personnel and damage to components. 1. Remove carriage backrest (1) from carriage weldment  (2)  by  removing  screws  (3),  lockwashers (4), and washers (5). 2. Remove screws (6) and locknuts (7)  to  release  fork bars    (8)    from    carriage    weldment    (2).        Discard locknuts. 3. Remove  fork  bars  (8)  from  carriage  weldment  (2). Remove forks (9). B.  CLEANING Clean forks in accordance with paragraph 1-24. C.  INSPECTION Inspect forks and related components in accordance with paragraph 1-24. 2-419