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Section IV. TROUBLESHOOTING - TM-5-4310-227-150060
Section V. RADIO INTERFERENCE SUPPRESSION - TM-5-4310-227-150062

TM-5-4310-227-15 Compressor Reciprocating: Air; Gasoline Engine 15 CFM 175 PSI; Receiver Mounted (Champion Pneumatic Model OEG-458-ENG-1) Manual
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TM 5-4310-227-15
3-18. Engine Stops Suddenly
3-15. Engine Overheats
Possible remedy
Probable cause
Possible remedy
Probable cause
Crankcase oil level low ____ Fill to proper level (para
Fuel tank empty __________ Fill the fuel tank with the
proper grade of fuel
3-6).
(para 2-6).
Airflow restricted _______Provide adequate ventila-
Fuel strainer clogged _____Service fuel strainer(para
tion. Clean the cooling
3-36).
fins.
Carburetor defective ______Replace carburetor
Fuel mixture too lean _____Adjust the carburetor
Fuel tank cap air vent hole
(para 3-37).
(para 3-7).
plugged ______________Remove the restriction.
Exhaust system restricted _Clean or replace muffler
Air cleaner clogged ______Service air cleaner (para
and fitting (para 3-56).
3-6).
Fuel of poor grade ________ Drain fuel tank (para 3-
6) and replenish fuel
supply (para 2-6).
3-19. Compressor Pumps Too Slowly
Probable cause
Possible remedy
3-16. Engine Backfires
Air cleaner clogged _______ Service the air cleaner
Possible remedy
Probable cause
(para 3-6).
V-belts improperly adjusted Adjust the V-belts (para
Fuel contains dirt or water _Drain fuel tank (para 3-6)
and replenish fuel supply
3-59).
Oil level low ____________Measure oil level in crank-
(para 2-6). Service
strainer (pars 3-6).
case and f ill according
to lubrication order.
Fuel mixture too lean ______Adjust the carburetor
(para 3-37).
Timing incorrect _________Rest timing (para 3-46).
3-20. Compressor Overheats
Intake valve sticking ______ Remove spark plug and
Probable cause
Possible remedy
pour a small amount of
Ventilation inadequate ____Provide adequate ventila-
penetrating oil into the
tion around the unit.
engine block to loosen
Cylinder fins dirty _________Clean the cylinder fins.
the valve.
Intercooler and aftercooler
Spark plug too hot _______Install spark plug with
tubes dirty _____________ Clean the intercooler and
correct heat range (para
after cooler tubes with
3-44) .
brush and compressed
air.
3-17. Engine Lacks Power
Oil level low _____________Add oil to the crankcase
Possible remedy
Probable cause
(para 3-6).
V-belts slipping __________ Adjust the V-belts (para
Fuel strainer-to-carburetor
3-59).
tube restricted _________Remove restriction or
Air cleaner dirty _________Service the air cleaner
replace tube (para 3-34).
(para 3-6).
Fuel strainer clogged _____Service fuel strainer (para
3-36).
Intake or exhaust valves
Fuel mixture too lean __ ___Adjust carburetor (para
faulty ________________Clean or replace the valves
3-37).
(para 3-32).
Ignition poor ___________Service or replace spark
plug (para 3-44). Ad-
3-21. Compressor Fails To Build Up Pressure
just the magneto con-
Possible remedy
Probable cause
tact set (para 3-46).
Air cleaner restricted _____Service air cleaner (para
Air cleaner clogged ______ Service the air cleaner
(para 3-6).
36).
Intake and exhaust valves
Exhaust restricted ________Remove and clean the
muffler and nipple
defective ______________Clean or replace the valve
(para 3-56).
(para 3-82).
Timing improper ________Reset timing (para 3-46).
V-belts improperly adjusted Adjust the V-belts (para
3-59).
Governor controls out-of-
adjustment ___________ Adjust the governor link-
Leaks in air lines and
age (para 3-39).
fittings _______________Tighten the connections.
3-21






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