Gardner Denver Reavell H5000 Series, Руководство оператора

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FAULT GUIDE
PAGE 47
Symptom Fault Recommendation(s)
11.7 LOW OIL
PRESSURE
?
Oil filter blocked.
9
Fit new oil filter element.
?
Worn bearings.
9
Check bearing clearances
?
Loose pipe
connections.
9
Trace and rectify
?
Bearing end plate
gasket distorted
partially blocking
suction port
9
Examine gasket, replace if necessary, position
correctly.
?
Loose big-end
bearing bolts or
incorrectly fitted
bearings.
9
Examine and re-tighten to correct torque.
11.8 OVERHEATING
?
Incorrect grade of
lubricant.
9
Drain, clean and refill crankcase with correct
grade of lubricant. Check condition of valves
and gas passageways.
?
Insufficient water
flow.
9
Check cooling water inlet temperature is below
recommended maximum.
9
Check cooling water temperature rise is correct.
?
Damage to cooling
fan
9
Check condition and security of fan blades.
?
Reduced cooling
efficiency.
9
Check condition of water circuit. Remove any
sludge or scale build-up.
9
Check for restrictions or blockages to cooling
air supply.
?
Water pump.
9
Confirm correct operation and rotation of pump.
9
Check for restrictions in pump connections due
to sludge deposits etc.
?
Insufficient water
flow.
9
Contaminated water, replace and add inhibitor.
?
Poor positioning of
radiator.
9
Reposition radiator to give correct cooling
airflow.
?
Radiator blocked.
9
Clean matrix and flush out tubes.
?
Bursting disc
failure.
9
Inspect coolers for cracks, ruptures etc.
9
Check for excessive water pressure.
9
Check for pulsations in water system.
?
Air / gas in cooling
water system.
9
Purge water system.
11.9 UNUSUAL
NOISE
– ON LOAD
?
Loose
components.
9
Trace and rectify.
?
Air / gas leaks
(usually hissing or
whistling).
9
Trace, stop compressor, depressurise if safe to
do so, renew seal.
?
Worn bearings,
cylinders and
rings- usually
heavy knocking,
rumbling or
slapping.
9
Check clearances and renew as necessary.
11.10 UNUSUAL
NOISE
– UNLOADED
?
Piston knocking.
9
Check Top Dead Centre clearance.
?
Compressor set-up
or pipework
system vibration.
9
Check compressor pipework system is firmly
secured.
9
Check clearances and alignment of coupling.