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TM 5-4320-305-24
4-13. REPLACE/REPAIR CRANKCASE ASSEMBLY
This task covers:
a.
Removal
c.
Inspection
e.
Assembly
b
Disassembly
d.
Repair
f.
Installation
INITIAL SET
Tools
Shop set, automotive repair, field
maintenance, basic
Tool kit, master mechanics
Camshaft bearing tool No. 143630
Camshaft plug installer No. 143610
Crankcase cylinder seat refacing tool
No. 150020
Torque gage No. 101910
Materials/Parts
Crocus abrasive cloth (Item 1, Appendix C)
Diesel fuel oil (Item 6, Appendix C)
Lubricating oil (Item 10, Appendix C)
References
MIL-I-6868 Magnetic Particle Inspection
Equipment
Condition
Para
Condition Description
2-24
Throttle actuator removed from
engine.
2-27
Crankcase breather removed.
2-34
Starter motor removed.
3-6
Engine removed from trailer and
from pump assembly.
3-8
Lube oil filter, lines, and fittings
removed.
3-10
Oil pan assembly removed from
engine.
3-11
Oil pump removed from engine.
3-12
Fuel system lines and fittings
removed.
3-23
Adapter housing removed from
engine.
4-4
Injection pump removed from
engine.
4-8
Camshaft removed from crankcase.
4-11
Connecting rods removed from
engine.
4-12
Crankshaft removed from
crankcase.
Special Environmental Conditions
Well-ventilated area required for cleaning.
REMOVAL:
Remove as described in Equipment Condition.
DISASSEMBLY:
1
Remove bearing cap (1), stop rings (2), dowel bushings (3), and main bearings (4) in accordance with paragraph 4-
12.
2
Do not remove camshaft bushing (5) and dished plug (6) unless replacement is required. If bushing and/or plug
must be removed, they are not reusable and must be discarded. If required, remove and discard in accordance
with paragraph 4-8.
4-104
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