TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 4-24. FLYWHEEL HOUSING REPLACEMENT (Cont) (7) For models 7083-7391,7083-7395, and 7083-7396, remove five bolts. (23), five Iockwashers (24), bolt (25), and copper washer (26) from right bank flywheel housing cover (27). Remove cover (27) and gasket (28) from flywheel housing. Discard gasket, copper washer, and Iockwashers. (8) Remove bolt (29) and Iockwasher (30) from right side of flywheel housing behind cover (27). Discard Iockwasher. NOTE For model 7083-7395, remove four bolts (31) and four Iockwashers (32) (other four attaching bolts and Iockwashers were removed with turbocharger mounting bracket). ■ For models 7083-7391,7083-7396, 7083-7398, and 7083-7399, remove eight bolts (31) and four Iockwashers (32). (9) Remove two bolts (33), two flat washers (34), bolts (31 ), and Iockwashers (32) from two flywheel housing inspection covers (35). Remove covers and mating gaskets (36) from flywheel housing. Discard gaskets and Iockwashers. NOTE Effective after engine number 8VA-349268, shim (37) is used with flywheel housing. (1 O) Strike front face of housing on each side alternately with a soft headed hammer to work it off dowels and away from cylinder block end plate. Remove housing (2), shim (37), and flywheel housing gasket (38) from engine. Discard gasket. (11) Remove four guide studs (10) from cylinder block. b. 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 and don’t breathe vapors. Do not use near open flame or excessive heat. The flash point is 100 o F-138°F (38°-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 the flywheel housing with cleaning solvent. (2) Inspect flywheel housing for cracks or damage. 4-82 Change 1