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TM 5-4320-308-13
4-16. REPLACE CRANK ASSEMBLY GEARS (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 housing (2), gear wheel (6), and pinion (11) with diesel fuel and dry with compressed air.
2
Inspect all components for damage or excessive wear. Replace any components severely damaged or worn.
ASSEMBLY:
CAUTION
If either the gear wheel or pinion needs to be replaced, replace both. Timing marks on the
small pinion must be aligned with the keyway on the tapered shaft. The timing marks on the
gear wheel must be aligned with the mark on the small pinion. Failure to heed this caution
can damage equipment.
1
Slide pinion (11) onto camshaft. Install spring washer (10) and hexagon nut (9) and tighten securely.
2
Install disc (8) into timing cover housing with the graphite side of disc (8) facing outward.
3
Lubricate dry bushing in timing cover housing with MIL-G-10924 grease.
4
Install gear wheel (6) into dry bushing and secure gear wheel (6) with stud (7).
5
Install oil seal (5) and needle shell (4) onto gear wheel (6).
6
Fill housing (2) with 3-1/2 ounces (100 g) of warm MIL-G-10789 grease. Mount gasket (3) and housing (2) onto
timing cover with four Allen screws (1).
4-37
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