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TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download

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TM9-2815-202-34 4-11. ENGINE ROCKER ARM COVER AND CRANKCASE BREATHER REPLACEMENT (Cont) b. c. Cleaning/Inspection WARNING Dry cleaning solvent P-D-680 is toxic and flammable. Wear protective goggles and gloves and use only in a well-ventilated area. Avoid contact with skin, eyes, and clothes. Don’t breathe vapors. Do not use near open flames or excessive heat. The flash point is 100 o F-138 o F (38 o -50 o C). If you become dizzy while using cleaning solvent, get fresh air immediately and get medical aid. If contact with eyes is made, wash your eyes with water and get medical aid immediately. (1) Clean rocker arm cover with cleaning solvent. Inspect cover for cracks, dents, or other damage. WARNING Compressed air used for cleaning purposes will not exceed 30 PSI. Use only with effective chip guarding and personal protective equipment (goggles/shield, gloves etc.) (2) Dry rocker arm cover with compressed air, (3) Inspect fluid filtering disk and sediment strainer. Clean or repair as necessary. (4) Inspect seal and gasket for cracks, deformation, or wear. (5) Inspect breather hose for cracks, tears, or damage. Installation (1) (2) (3) (4) (5) (6) Install seal (14) on rocker arm cover (8). Install breather (3) to rocker arm cover (8). Install breather retainer (13), fluid filtering disk (12), and filtering disk retainer (11 ) to breather (3). Secure with three screws (1 O). Install chain hook (17) and cap chain (16) to filler cap (15). If removed, press sediment strainer(18) into rocker arm cover (8). Install chain hook(17) to sediment strainer and cap chain (16). Crimp hook to secure on chain. Install gasket (9) into four corners of rocker arm cover (8). Press remainder of gasket into rocker arm cover. NOTE ● Rocker arm cover with oil filler is installed on left side with filler toward fronton models 7083-7395 and 7083-7398. For models 7083-7391, 7083-7396, and 7083-7399, install rocker arm cover on right side with oil filler toward rear. ● When gasket is properly installed, it should not fall out of rocker arm cover. 4-38 Change 1