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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.
Summary of Contents for Reavell H5000 Series
Page 2: ......
Page 18: ...SAFETY PAGE 16...
Page 20: ...AMENDMENTS PAGE 18...
Page 22: ...COMPRESSOR LOG SHEET PAGE 20 REMARKS DATE REMARKS DATE...
Page 24: ...GENERAL DESCRIPTION AND OPERATION PAGE 22 4 6 LUBRICATION SCHEMATIC FLOW DIAGRAM...
Page 26: ...GENERAL DESCRIPTION AND OPERATION PAGE 24...
Page 36: ...OPERATION AND ROUTINE MAINTENANCE PAGE 34...
Page 44: ...DISMANTLING AND REASSEMBLY OF VALVES PAGE 42...
Page 50: ...FAULT GUIDE PAGE 48...
Page 72: ...PARTS LIST PAGE 70 93 95 1ST STAGE CONCENTRIC VALVE 9 8 6 5 4 2 1 3...
Page 74: ...PARTS LIST PAGE 72 96 97 2ND STAGE CONCENTRIC VALVE 2 1 3 4 5 6 5...
Page 80: ...PARTS LIST PAGE 78...
Page 92: ...ANCILLARY PARTS PAGE 90...
Page 94: ...STANDARD WIRING TERMINAL NUMBERS PAGE 92...
Page 95: ......