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TM 5-4320-304-14
TM 08922A-14/1
6-7. 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
666
327
01
6-5
Governor removed from engine.
Impact mandrel, ball hub
6-6
Oil seal removed from engine.
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:
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 (80° to 100°C). 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 6-5 for instructions on re-
moval of these parts.
2
Remove and discard cover (12).
6-21
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