Instruction manual

Motor stalls or
blow breaker
• Faulty check valve
• Valves incorrectly installed
• Drive belts too tight
• Defective motor
• Defective pressure switch
• Power being supplied by
generator
• Replace check valve
• Install valve correctly
• Tension V-belts
• Consult licensed electrician/
replace motor
• Replace switch
• Consult licensed electrician
Water in crankcase
oil gets dirty, rusty
valves or cylinders
• Cycle too short - compressor
does not operate long enough
to vapourize condensed
moisture during compression
• System pressure leaking back
through check valve when
compressor is stopped
• Wrong oil being used
• Allow for a longer operating
cycle
• Check and replace check valve
if necessary
• Drain and replace with proper
oil
Excessive
vibration/
compressor
knocks
• Loose compressor, motor,
engine or guard
• Compressor not level
• Feet bolts over tightened to
floor
• Excessive discharge pressure
• Wrong oil being used
• Loosen flywheel, drive pulley or
drive belts
• Worn connect rods, wrist pin or
main bearings
• Compressor valves loose or
broken
• Inspect check valve, it may
knock at low pressures
• Tighten components
• Level compressor
• Loosen feet bolts
• Reduce operating pressure
• 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
Compressor uses
too much oil
• 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
• 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
Piston rings not
seated
• Allow 100 hours of normal
operation for new rings to seat
• Drain oil and refill with Eagle
EAOIL or other approved oils
• Allow 100 hours of normal
operation for new rings to seat
• Drain oil and refill with Eagle
EAOIL or other approved oils
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