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TM 5-4320-308-13
5-4. REPAIR/REPLACE TIMING COVER AND CAMSHAFT (Continued)
CLEANING:
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 timing cover with diesel fuel and dry with compressed air.
2 Inspect all components for damage or excessive wear. Replace any components severely damaged or worn.
3 Inspect surface of cam followers. If damaged, replace cam followers.
4 Inspect needle bearing (20). If damaged, replace in accordance with repair procedures.
DISASSEMBLY:
1 Remove oil seal (9) from timing cover (3).
2 Collapse dry bushing (10) and remove.
WARNING
Handling heated parts can cause severe burns. Use proper equipment to handle heated parts.
3 Using an oven, heat timing cover to 120° to 160° F (50° to 70°C). Remove intermediate ring (11) and drive out
ball bearing (12).
4 While timing cover is still hot, drive out camshaft (13).
5 Remove hexagon nut (14), spring washer (15), circlip (16), flanged wheel (17), roller bearing (18), and spacer
(19).
5-12
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