Troubleshooting – BE Pressure supply 60 Gallon Air Compressor AC5060BP User Manual
Page 19

19
pROBLEM
pROBABLE CAUSE
CORRECTIVE ACTION
Excessive vibration /
compressor knocks
Loose compressor, motor
or engine guard.
Tighten components.
Compressor not level.
Level compressor
Feet bolts over tightened to
floor.
Loosen feet bolts.
Excessive discharge
pressure.
Reduce operating pressure.
Wrong oil being used.
Drain and replace with
proper oil.
Loose flywheel, drive, pulley
or drive belts.
Tighten loose components
and check belts.
Worn connector rods, wrist
pin or main bearings.
Check and replace worn
parts.
Compressor valves loose or
broken.
Check and replace worn or
broken valves..
Check valve knocks at low
pressure.
Remove and clean check
valve.
Compressor uses too
much oil
Clogged inlet filter.
Replace check valve.
Wrong oil being used,
wrong viscosity.
Clean inlet filter or replace
as necessary.
Oil level too high.
Fill compressor with oil to
proper level.
Crankcase breather valve
malfunction.
Replace crankcase
breather.
Compressor runs unloaded
too long
Increase load or stop
compressor when not
needed. Check for air leaks.
Compressor operating
outside in cold conditions
or inlet filter not protected
against weather.
provide adequate
protection against extreme
weather conditions.
Worn piston rings.
Replace 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 oil.
troubleshooting