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 TM 55-1905-223-24-1
(1) Position shims (7 and 8) in original location on engine block.
CAUTION
The oil pump is heavy. To avoid personal injury or
equipment damage, use a hoist or get assistance when
lifting the oil pump.
(2)
Position oil pump (36) on engine with gear (17) meshed with crankshaft gear and bolt holes
aligned. Ensure dowels (10 and 27) are in place.
(3) Install capscrews (5 and 29) with nut and bolt lockplates (6 and 28). Tighten capscrews (5 and 29)
to 70 ft-lb (90 N m). Bend lockplate over the heads of the capscrews and feet of the pump.
b. Install oil pressure relief valve (4).
(1) Position relief valve (4) and gasket (9) on engine block with bolt holes aligned.
(2) Install relief valve retaining capscrews. Tighten to 45 ft-lb (60 N m).
c. Install transfer tube (41).
(1) Lubricate packing assemblies (37) with clean engine lube oil.
(2) Position packing (37) on end of transfer tube (41).
(3) Position transfer tube (41) with one end in port of relief valve (4) and one end in port of oil pump
(36).
(4) Install capscrews (39) with nut and bolt lockplates (38). Torque capscrews at oil pump to 45ft-lb
(60 N m) and capscrews at relief valve to 30 ft-lb (40 N m). Bend lockplates over capscrew heads
and connecting parts.
d. Install suction tube (46).
(1) Lubricate packing (42) with clean engine lube oil.
(2) Position packing (42) on end of suction tube (46).
(3) Insert suction tube (46) end with packing (42), into port of oil pump (36).
(4) Align bolt holes.
(5) Install capscrews (44) with nut and bolt lockplates (43). Rotate tube until screen is parallel to the
bottom of the cylinder block. Tighten capscrews (44) to 45 ft-lb (60 N m).
(6) Install loop clamps (45) and tighten to 30 ft-lb (40 N m).
(7) Install brackets (40, 49, and 50), nut and bolt lockplates (48) and hexagon head capscrews (47).
3-71
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