W 3 2 S E R I E S
H I G H P R E S S U R E B R E A T H I N G A I R C O M P R E S S O R
63
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Excessive leaks in the plant piping
Check the pipings, repair the leaks.
Caution!
Do not service tank, valves, piping, etc. while compressed air exists in the system. Drain the
air inside before attempting any repair.
3.11 EXCESSIVE BELT WEAR
•
Sheaves misaligned
Realign the motor sheave and the flywheel
•
Belts too tight
Adjust tension
–
the compressor has automatic
tightening slides; consult factory.
•
Belts too loose
Adjust tension
–
the compressor has automatic
tightening slides; consult factory.
•
Sheave or crankshaft wobble
Check for worn or bent crankshaft, keyway or sheave
bore
3.12 EXCESSIVE DISCHARGE AIR TEMPERATURE
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Dirty valves / carbon on valves
Remove the valves; clean or replace
•
Dirty intercoolers and/or cooling
surfaces
Clean cooling surfaces of the cylinders, intercoolers
and the aftercooler.
•
Poor ventilation and air circulation
Relocate the compressor, improve ventilation.
•
Blown head gasket
Replace the head gasket.
•
Worn valves
Repair or replace the valves.
•
Compressor rotating in the wrong
direction
Correct the direction of rotation
3.13 AIR LEAKING FROM THE INTERSTAGE SAFETY VALVE
•
Safety valve faulty
Replace the safety valve.
•
Inlet valve of the next stage leaks
Remove the valves; clean or replace
•
Inlet valve of the next stage is broken
Remove the valves; replace
•
Blockage in the 2nd stage water
seperator filter
Replace the water seperator filter
3.14 CYLINDER PRESSURE BUILDS UP SLOWLY
•
Dirty air filter
Replace the intake filter element
•
Blown cylinder gasket
Install a new gasket
•
Worn or broken valves
Replace the valves
•
Air leaks in the system
Search for leaks; fix the problem
•
Loose belts
Adjust tension
–
the compressor has automatic
tightening slides; consult factory
•
Low compressor Speed
Check the compressor speed
3.15 RECEIVER PRESSURE BUILDS UP TOO FAST
•
Water in the system
Install an automatic drain or drain the system more
often
•
High compressor speed
Check the compressor speed