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TM 5-4320-308-13
5-7. REPLACE CRANKSHAFT
This task covers:
a.
Removal
c.
Cleaning/Inspection
e.
Installation
b.
Disassembly
d.
Assembly
INITIAL SETUP
Tools
Equipment
Shop set, automotive repair,
Condition
field maintenance, basic
Para
Condition Description
Crankshaft removing device
5-5
Governor removed from engine.
666 327 01
5-6
Oil seal removed from engine.
Impact mandrel, ball hub
666 067 00
Mounting device, crankshaft end play
General Safety Instructions
666 074 00
Well-ventilated area required.
Materials/Parts
Lubricating oil (Item 6, Appendix E)
REMOVAL:
WARNING
Handling heated parts can cause severe burns. Use proper equipment to handle heated parts
1 Using an oven, heat crankcase to 175 to 210°F (800 to 100C). Push out crankshaft (1) and roller bearing outer
race (3) using crankshaft removing device 666 327 01. Remove key (2)
2 Remove circlip (4) and roller bearing outer race (5) from crankcase
DISASSEMBLY:
1 Remove ball hub disc (6), four balls (9), if not previously removed, ball hub (7), and spacer (8) from crankshaft
(1)
NOTE
Balls (9), ball shell (10), and sliding disc (11) are governor components. Refer to paragraph 5-5 for
instructions on removal of these parts
2 Remove and discard cover (12).
5-21
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