TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 (2) Protection of Unserviceable Assemblies. The following methods should be used in protecting any unserviceable engine assembly. (a) Loosen clamp (42) securing hose (43) to left rocker arm cover breather (44). Remove hose. NOTE For models 7083-7396 and 7083- 7399, removal of left rocker arm cover requires removing turbocharger air outlet tube. (b) (c) (d) (e) For model 7083-7396 only, loosen four clamps (49) connecting air outlet tube (50) to turbocharger and air inlet. Slides hoses (51 ), and clamps onto outlet tube and remove tube. For model 7083-7399 only, disconnect hose assembly (52), at air inlet housing (54). Loosen two clamps (53) connecting air inlet housing to turbocharger. Slide hose (59) and clamps onto housing. Remove three bolts (55 and 56), six Iockwashers (57) and six flat washers (58) securing air inlet housing. Remove housing. Remove two left rocker arm cover bolts (45), two flat washers (46), and two rubber isolators (47). Remove left rocker arm cover(48). Slowly pour one-half gallon of engine oil over valves and valve train components of cylinder head. 3-21