TM 5-4310-393-14
5-6.11. CRANKSHAFT.
This task covers: A Inspect B. Install
Tools:
Materials/Parts:
Shop Set, Automotive Field
Lubricating Oil
Maintenance, Basic
Equipment Conditions:
Impact Mandrel, Ball Hub,
Governor Removed From Engine
66606700
Mounting Device, Crankshaft End
Play 66607400
A.
Inspect.
1.
Removing the Parts for Inspection.
CAUTION
Handling heated parts can cause severe burns. Use proper equipment to handle
heated parts.
a.
Using an oven, heat crankcase to 175F to 210F (80C to 100C) Push out crankshaft (Figure 5-51, Item
(1) and roller bearing outer race (3) Remove key (2).
NOTE
Balls (9), ball shell (10), and sliding disc (11) are governor components. Refer to
paragraph 5-6.9 for instructions on removal of these parts.
b.
Remove and discard cover (12).
c.
Remove counterweight (13) by removing two socket head cap screws (14)
CAUTION
Handling heated parts can cause severe burns. Use proper equipment to handle
heated parts
d.
Using a torch, heat roller bearing races (15 and 16) and remove them from crankshaft (1), being careful not
to over heat
2.
Cleaning and Inspecting the Crankshaft.
WARNING
DEATH OR SERIOUS INJURY COULD OCCUR IF FUEL IS NOT HANDLED
CAREFULLY. USE IN A WELL VENTILATED AREA AWAY FROM OPEN FLAME,
ARCING EQUIPMENT, IGNITION SOURCES, HEATERS, OR EXCESSIVE HEAT.
ENGINE MUST BE SHUT DOWN AND COOL BEFORE REFUELING. ALWAYS
STORE FUEL IN PROPER, MARKED CONTAINERS. DO NOT SMOKE.
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