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Excessive
Vibration
Compressor
Knocks
Compressor
Uses Too
Much Oil
Piston
Rings Not
Seated
• Loose compressor, motor,
engine or guard
• Excessive discharge pressure
• Compressor not level
• Leg bolts tightened too
tightly to floor
• Wrong oil being used
• Loose flywheel,drive pulley
or drive belts
• Worn rods,wrist pin or main
bearings
• Compressor valves loose or
broken
• Inspect check valve,it may
knock at low pressures
• Clogged inlet filter
• Wrong oil being used,wrong
viscosity
• Oil level too high
• Crankcase breather valve
malfunction
• Compressor runs unloaded
too long
• Compressor operating
outside in cold conditions or
inlet filter not protected
against weather
• Worn piston rings
• Piston rings not seated
• Allow 100 hours of normal
operation for new rings to
seat
• Drain oil and refill with Eagle
EAOIL oil or other approved
oils
• Tighten components
• Reduce operating pressure
• Level compressor
• Loosen leg bolts
• Drain and replace with
proper oil
• Tighten loose components
and check belts
• Check and replace worn
parts
• Check and replace worn or
broken valves
• Remove and clean check
valve
• Clean inlet filter or replace
if necessary
• Drain and replace oil
• Fill compressor with oil to
proper level
• Replace crankcase breather
• Increase load or stop
compressor when not
needed (check for air/leaks)
•Provide adequate
protection against extreme
weather conditions
• Replace piston rings
• See instruction below
• Allow 100 hours of normal
operation for new rings to
seat
• Drain oil and refill with
Eagle EAOIL oil or other
approved oils
TROUBLE SHOOTING
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
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