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TM 10-4320-316-14
6-5. CRANKCASE ASSEMBLY REPAIR AND REPLACEMENT.
This Task Covers:
a.
Removal
b.
Inspection
c.
Repair
d.
Installation
Initial Setup:
Tools Required
Tool Kit, General Mechanic's (Appendix B, item 1)
Caliper, Slide (Appendix B, Item 3)
Bearing Puller (Appendix B, Item 3)
Torque, Wrench (Appendix B, Item 3)
Material's Required
Lubricating Oil (Appendix E, Item 8)
Diesel Fuel (Appendix E, Item 6)
Oil Seal Gasket, 114250-01412
Equipment Condition
DED pump assembly shut down and cool.
Bottom pan frame removed (see paragraph 4-25).
a. Removal. (Refer to Figure 6-1).
CAUTION
Oil pump cover and oil filter cover do not have to be disassembled to remove crankcase
cover and should only be disassembled when necessary.
(1) Remove fourteen crankcase cover bolts (1).
(2) Remove one additional crankcase cover bolt (2) located inside of the bolt pattern and above the lube oil
strainer.
(3) Remove crankcase cover (3) and discard gasket (4).
(4) Remove and discard oil seal (5).
(5) Remove lube oil inlet pipe (6) from crankcase cover (3).
b. Inspection.
(1) Clean out each oil hole on the crankcase cover with diesel fuel. Insure oil passages are not clogged.
(2) Check the main bearing metal insert on the crankcase side for discoloration or damage.
6-2
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