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TM 5-4320-304-14
TM 08922A-14/1
6-7. REPLACE CRANKSHAFT (Continued)
3
Remove counterweight (13) by removing two Allen screws (14).
Handling heated parts can cause severe burns. Use proper
equipment to handle heated parts.
4
Using a torch, heat roller bearing inner races (15 and 16) and remove them from crankshaft (1).
CLEANING/lNSPECTION:
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 exces-
sive heat. Always store fuel in proper, marked containers.
DO NOT SMOKE.
Death or serious injury could occur if compressed air is
directed against the skin. Do not use compressed air for
cleaning or drying unless the pressure is/has been reduced
to 30 psi (2.06 bar) or less. When working with com-
pressed air always use chip guards, eye protection, and other
personal protective equipment.
1
Clean crankshaft components with diesel fuel and dry with compressed air. Clean oil passages
with a stiff wire brush.
2
Inspect alI components for damage or excessive wear.
Replace any components severely damaged
or worn.
ASSEMBLY:
1
2
Install new cover (12).
Apply lubricating oil to the threads of two Allen screws (14) and contact surface
(13). Install counterweight and two Allen screws. Torque Allen screws to 16.23
(22 N·m).
Handling heated parts can cause severe burns. Use proper
equipment to handle heated parts.
of counterweight
foot-pounds
3. Using an oven, heat the inner races of roller bearings (15 and 16) to 160° to 175°F (70° to 80°C)
and press them onto crankshaft (1).
6-23
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