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TM 5-4320-308-13
5-4. REPAIR/REPLACE TIMING COVER AND CAMSHAFT (Continued)
REPAIR:
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 Reclean with diesel fuel and dry with compressed air.
2 Repair any minor damage, nicks, burrs, rust, or corrosion.
3 If needle bearing (20) is damaged, remove using camshaft needle bearing punch 666 425 00.
4 Replace new needle bearing (20) using camshaft needle bearing mounting device 666 418 00.
ASSEMBLY:
1 Assemble spacer (19), roller bearing (18), flanged wheel (17), circlip (16), spring washer (15),. and hexagon nut
(14) onto camshaft (13).
WARNING
Handling heated parts can cause severe burns. Use proper equipment to handle heated parts.
2 Using an oven, heat timing cover (3) to 120° to 160°F (50° to 70°C). Drive in new ball bearing (12) and install
new intermediate ring (11).
3 While timing cover is still hot, drive in camshaft (13).
4 Drive in new dry bushing (10).
5 Using timing cover oil seal auxiliary bush 666 075 00, install new oil seal (9).
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