CompAir 5280D.1.IAC, Руководство оператора

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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