3-9. Engine Air Cleaner Service
Refer to figure A, 3-4, and engine TM 5-
Service tire as illustrated in figure E, 3-4.
2805-208-14.
3-10. Engine Fuel Filter Service
Maintain proper lubrication at all times. Re-
Refer to figure B, 3-4, and engine TM 5-
fer to current lubrication order and figure F,
2805-208-14.
3-4.
Refer to figure C, 3-4, and current lubrica-
The air filter element must be replaced after
tion order.
250 hours of normal operation and 150 hours
under severe operating conditions, (ref fig.
G, 3-4).
Service fuel tank as illustrated in figure D,
3-16. Tool Box
3-4.
Inspect tool box as illustrated in figure H,
3-4.
Section V. TROUBLESHOOTING
Possible Remedy
Probable Cause
3-17. General
Air-relief valve defective. . Replace air-relief valve,
This section provides information useful in
Air compressor defective. Replace air compressor,
diagnosing and correcting unsatisfactory op-
eration or failure of the rotary compressor and
Coupling defective. . . . . . . Repair or replace cou-
its components. Each trouble symptom stated
is followed by a list of probable causes. The
Engine speed below . . . . . . Adjust engine governor;
possible remedy recommended is described op-
refer to TM 5-2805-208-
3,600 RPM.
posite the probable cause. Any trouble beyond
14.
the scope of organizational maintenance shall
be reported to direct support maintenance. Re-
fer to TM 5-2805-208-14 for engine trouble-
Probable Cause
Possible Remedy
shooting.
Air compressor oil level . . . Fill compressor gearcase,
low.
3-18. Engine Fails to Get
Fuel
Coupling defective. . . . . . . Repair or replace coupling,
Possible Remedy
Probable Cause
Air Compressor defective. . Replace air compressor,
Fuel line clogged or . . . . . . Clean or replace fuel line,
damaged.
Fuel tank cap air vent . . . Clean fuel tank cap air
Air Compressor Overheats
vent.
closed.
Fuel low in tank. . . . . . . . . Fill fuel tank with gaso-
Probable Cause
Possible Remedy
line
Compressor air filter . . . . . Replace compressor air
element.
Air hoses restricted. . . . . . Remove restriction.
Inadequate
3-22. Air
Compressor Air
Contains Oil
Probable Cause
Possible Remedy
Air hoses and coupling . . . Tighten loose air hose con-
Probable Cause
Possible Remedy
halves.
nections. Replace defec-
Air compressor oil level . . . Drain oil from compressor
tive air hoses and coup-
too high.
gearcase to prescribed
level.
Air compressor bearings . . Replace air compressor,
Air filter element dirty. . . Replace or clean air filter
defective.