TM 9-2320-361-34 3-7. ROCKER ARMS AND PUSHRODS MAINTENANCE THIS TASK COVERS: a. Removal d. Rocker Arm Assembly b. Rocker Arm Disassembly e. Installation c. Cleaning and Inspection f. Adjustment INITIAL SETUP APPLICABLE MODELS All TOOLS General mechanic’s tool kit (Appendix B, Item 1) Torque wrench, 3/4-in. dr. (Appendix B, Item 6) Micrometer, inside (Appendix B, Item 16) Micrometer, outside (Appendix B, Item 17) 1-5/8-in. socket, 3/4-in. dr. (Appendix B, Item 45) Handle, socket wrench, 3/4-in. dr. (Appendix B, Item 46) MATERIALS/PARTS Six lockwashers (Appendix F, Item 123) PERSONNEL REQUIRED Two REFERENCES (TM) TM 9-2320-361-10 TM 9-2320-361-20 TM 9-2320-361-34P EQUIPMENT CONDITION Rocker arm cover(s) removed (para. 3-6). GENERAL SAFETY INSTRUCTIONS Disconnect battery ground cable prior to performing valve adjustment procedure. Two retainers (Appendix F, Item 203) NOTE Front and rear rocker arm assemblies are identical and are replaced and repaired the same. This procedure covers the front rocker arm assembly. a. Removal NOTE Tag components for installation. 1. Loosen six nuts (9) while holding adjustment screws (8). 2. Turn atiustment 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 a 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). 3-20