CompAir UK Ltd
5280D Compressor Publication 98407.1440
Page 34
1440.doc
FAULT
POSSIBLE CAUSE
RECOMMENDATION
Low oil level
Fill to maximum level
Loose suction pipework
Check and tighten
Oil filter blocked
Replace as necessary
Worn bearings
Check and replace
11.13
Low oil pressure
Incorrectly fitted small-end bearing
Check and replace as necessary
Insufficient cooling water flow.
Check for closed isolating valves.
Check operation of pneumatic water
valve and thermostatic water valve.
Check power supply to water pump
and drive.
Air lock in water system.
Poor compressor location
Restriction of air flow to radiator cooled
units. Recirculation of cooling air flow
with radiator units. Too high ambient
temperature for radiator cooler.
Operating duty exceeds
recommended limits.
Correct as 'leading particulars' section.
Broken cooling air fan blades.
Replace
Cooler tubes fouled.
Check, clean, replace as necessary.
11.14
High Air or Gas
temperature.
Incorrect rotation.
Check and reverse as necessary.
Oil level too high
Correct level to maximum only.
Incorrect lubricating oil
Check oil grade and renew with
CompAir recommended oil.
11.15
High oil consumption
Check piston rod gland wear.
Entrained air when unloaded.
Check by manually operating
interstage safety valves.
Loose flywheel or pulley
Check key seats for belt drive pulleys.
Broken valve plates
Check all valves-interstage safety
valve immediately after problem valve
may be blowing.
Insufficient piston "top-dead-centre"
clearance.
Check piston clearance is within limits.
Loose first stage piston rod or
crosshead locknut.
Remove cylinder head and check
security.
Piston or crosshead seizure
Check for free movement of pistons. If
seizure then replace.
11.16
Compressor "knocks"
Loose big-end bolts or small end
bearing
Check security of bolts and clearance
in small end bearing.
Loose foundation bolts
Check security and tighten.
Anti-vibration mounts incorrectly set
up
Check and adjust
Compressor not level.
Check and rectify, using packing
pieces as necessary.
Delivery flange not aligned with
users pipework
Check and rectify
Crankshaft balance weights loose
Check and rectify, tighten securing
bolts to correct torque loading
Main end bearing caps loose
Check and rectify, tighten securing
bolts to correct torque loading
11.17
Vibration
Piston and crosshead nuts loose.
Check and rectify, tighten securing
bolts to correct torque loading
Summary of Contents for 5280D.1.IAC
Page 3: ...DATE REMARKS DATE REMARKS logsheet5280 d...
Page 9: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 6 1440 doc...
Page 29: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 26 1440 doc...
Page 33: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 30 1440 doc...
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Page 42: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 36 1440 doc...
Page 44: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 38 1440 doc CRANKCASE 1...
Page 46: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 40 1440 doc CRANKCASE 2...
Page 48: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 42 1440 doc CRANKCASE 3...
Page 50: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 44 1440 doc CYLINDER 1st STAGE...
Page 52: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 46 1440 doc SUCTION VALVE COVER...
Page 60: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 54 1440 doc CROSSHEAD 1st STAGE...
Page 62: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 56 1440 doc PISTON 1st STAGE...
Page 64: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 58 1440 doc GLAND 1st STAGE...
Page 66: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 60 1440 doc OIL PUMP...
Page 68: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 62 1440 doc OIL PUMP FILTER...
Page 70: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 64 1440 doc INTERCOOLER...
Page 72: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 66 1440 doc 1st STAGE PIPE WORK...
Page 74: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 68 1440 doc...
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Page 120: ...CompAir UK Ltd APP 004 ANTI VIBRATION MOUNTS Page 2 app004 doc...
Page 122: ...CompAir UK Ltd PUBLICATION APP070 PRESSURE GAUGES GENERAL Page 2 app070 doc...
Page 128: ...CompAir UK Ltd PUBLICATION APP 138 3 WAY SOLENOID VALVES PS2197 Page 2 app138 doc...
Page 130: ...CompAir UK PUBLICATION APP034 ELECTRIC MOTOR MAINTENANCE GENERAL Page 2 APP034 doc...
Page 133: ...CompAir UK Ltd 5280D Compressor Publication 98407 1440 Page 74 1440 doc...