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TM-9-2320-361-24-1 Page 436

TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks

Page 436 of 1176


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TM 9-2320-361-24-1 0031 00 0031 00-2 ROCKER ARMS AND PUSHRODS MAINTENANCE (Contd) NOTE • Front and rear rocker arm assemblies are identical and are repaired and replaced the same. This procedure covers the front rocker arm assembly. • Prior to removal, tag all components for installation. REMOVAL 1. Loosen six nuts (9) while holding adjustment screws (8). 2. Turn adjustment screw (8) counterclockwise until rocker arm (6) is loose against pushrod (5) end. Repeat for remaining five screws (8). 3. Remove six screws (1), lockwashers (7), and three supports (2) with six rocker arms (6) from cylinder head (4) and six pushrods (5). Discard lockwashers (7). CAUTION Engine oil may cause suction between pushrods and tappets. Pushrods must be removed from tappets using a sharp upward snap motion. Failure to do this may result in tappets becoming dislodged from bores in engine block. 4. Remove six pushrods (5) from tappets (3) and cylinder head (4).