ARMY TM 9-2805-258-14
AIR FORCE TO 38G2-89-21
NAVY NAVFAC P-8-614-14E
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Section Ill. DIRECT SUPPORT MAINTENANCE PROCEDURES.
P a ge
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-4
Flywheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-4
Fan Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..5-6
Oil Pump Gears, Spacer, and Oil Pump Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-8
Oil Filler Tube and Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-10
Starter Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-12
Carburetor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-14
Timing Gear Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-16
Timing Gear Cover Oil Seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-18
Oil Pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-20
Check Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-22
Cylinder Head Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-24
Rockers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-30
lntake and Exhaust Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-34
Valve Tappets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-36
Rear Oil Seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-38
5-6. General. This section contains direct support maintenance procedures as authorized by the MAC in
Appendix B of this manual. Table 5-2 located at the end of this section contains a list of engine components and
their wear limits. Any item that does not meet the specified measurements must be replaced. Refer to Appendix
E for torque valves. All maintenance procedures require only one person to perform. It maybe necessary to
remove the engine from the end item to perform some direct support Ievel maintenance procedures. Refer to the
end item manual for procedures to remove the engine.
5-7. Flywheel.
This task covers:
a . R e m o v al
b. Installation
INITIAL SET UP
Tools
Materials/Parts
General Mechanic’s Tool Kit (item 1, Appendix B)
Rags, Wiping (item 7, Appendix D)
Wrench, Torque (NSN 5120-00-640-6364)
Solvent, Drycleaning (Item 8, Appendix D)
(Item 6, Appendix B)
Puller Kit, Mechanical (NSN 5120-00-423-1596)
(Item 4, Appendix B)
a.
R e m o v a l . (figure 5-1)
(1) Remove assembled bolt and washer (1) securing flywheel (2).
(2) Using puller, remove flywheel (2) and key (3).
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