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TM 9-2330-398-24
4-1.
ENGINE ASSEMBLY REPAIR (continued).
22.
Remove screw (76) and front air baffle (77) from backplate (55).
23.
Remove screw (79), lockwasher (80), two flat head screws (78), backplate (55), and gasket (81) from cylinder
block (38). Discard lockwasher and gasket.
24.
Remove screw (82) and washer (83) from end of crankshaft (10). Remove pump coupling (84) and woodruff key
(91) from crankshaft (10).
NOTE
Number of shims may vary.
25.
Remove six self-locking bolts (101), washers (100), rear bearing plate (86), two gaskets (89), and shims (90) from
cylinder block (38). Discard self-locking bolts and gaskets.
26.
Remove two bolts (98) and washers (97), bottom center main bearing housing (96), and lower half bearing (95)
from cylinder block (38). Rotate crankshaft (10) and remove upper center bearing housing (94), upper half of
center bearing (95) and two pins (99) from cylinder block (38). Remove crankshaft (10) through rear opening in
cylinder block (38).
NOTE
Do not remove pressed-in components, such as bearings, seals, and plugs, unless there is evidence of damage,
excessive wear, or looseness.
27.
Remove seal (85) and rear main bearing (87) from rear bearing plate (86). Discard seal.
28.
Remove front main bearing (93) from cylinder block (38).
29.
Remove two thrust washers (88 and 92) from crankshaft (10).
4-8
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