Stellar Industries V480 - Manual (Page 29)

Troubleshooting 25
Problem
Air Output low:
(Air Pressure Low)
Air pressure too low:
Air pressure too high:
High crankcase oil usage:
Blowing oil from crankcase
breather:
Compressor will not stop:
Possible Cause
Dirty air filter.
Insufficient torque on head bolts.
Intake reed valves malfunction.
Air line leaking.
Air consumption exceeds Compressor
capacity.
Air pressure switch set incorrectly.
Intake or exhaust reed valves
damaged.
Pressure switch not functioning
correctly.
Internal contamination.
Pressure switch not adjusted
correctly.
External oil leaks.
Oil level too high.
Piston rings worn or broken.
Oil level in crankcase too high.
Blown head gasket.
Piston rings worn or broken.
Hole in piston.
Air pressure switch set incorrectly .
Leaking air hoses or fittings.
Inspect and clean filter.
Tighten bolts to required torque.
If air back-flows from air filter, reed valve is faulty
and needs to be replaced.
Inspect and tighten loose hoses.
Check air demand for items using the air supply.
Readjust high pressure setting.
Inspect and replace.
Inspect and clean.
Inspect and clean.
Readjust to lower pressure.
Inspect and repair gaskets or seals.
Check oil level and drain if needed.
Replace rings.
Check oil level and drain.
Replace gasket.
Replace ring.
Replace piston.
Check points and setting on switch.
Tighten all fittings and hoses.