| |
TM 5-4320-308-13
5-7. REPLACE CRANKSHAFT (Continued)
3 Remove counterweight (13) by removing two Allen screws (14)
WARNING
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/INSPECTION:
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. 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 compressed 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 all components for damage or excessive wear. Replace any components severely damaged or worn
ASSEMBLY:
1 Install new cover (12)
2 Apply lubricating oil to the threads of two Allen screws (14) and contact surface of counterweight (13). Install
counterweight and two Allen screws. Torque Allen screws to 16. 23 foot-pounds (22 N. m)
WARNING
Handling heated parts can cause severe burns. Use proper equipment to handle heated parts
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).
5-23
|