TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 4-32. OIL PUMP REPLACEMENT (Cent) (lo) (11) (12) (13) (14) (15) (16) (17) (18) (19) Remove four bolts (30) securing scavenger pump housing (31 ) to oil pump housing (32). Remove scavenger pump housing. Remove scavenger side helical gear (33) from drive shaft (34). Remove scavenger side oil pump gear (35) from driven shaft (36). Remove spacer plate (37) from drive and driven shafts (34 and 36). Remove driven shaft (36) and helical gear (38) as an assembly from oil pump housing (32). Remove drive shaft (34) and oil pump gear (39) as an assembly from oil pump housing (32). Remove two woodruff keys (40) from drive shaft (34). Using arbor press, remove oil pump gear (39) from drive shaft (34). Remove woodruff key (41 ) from drive shaft. Using arbor press, remove helical gear (38) from driven shaft (36). Remove woodruff key (42) from driven shaft. Remove screw (43), bolt (44), and Iockwasher (45) securing access cover (46) and gasket (47) to oil pump housing (32). Discard Iockwasher and gasket. c. Cleanlng/inspection ● ● (1) (2) 4-126 0 45 46 ?JJii# e 47 w ,(\= 43 ‘\\ - ,. \ $’b ~+ I 30 c . ) 31 32 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 flames or excessive heat. The flash point is 100”F-138°F (38°C-500C). 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. Compressed alr used for cleaning purposes will not exceed 30 PSI. Use only with effective chip guaiding and personal protective equipment (goggles/shield, gloves etc.) Clean all parts with dry cleaning solvent and dry with compressed air. ● Inspect scavenger pump housing, oil pump housing, and access cover for cracks or damage.