Troubleshooting
Problem
Possible cause
Solution
Compressor motor does not start
Air compressor storage tank filled
Depressurise tank using the release valve
Operate the air compressor at maximum pressure, turn off. Apply soap
solution to the connection points, and observe for leaks. Tighten leaking
Air compressor storage tank is unable to sustain pressure
Air leaks at hose connection points.
connection points.
If problem persists, contact a qualified GMC technician
GB
Oil level low
Immediately switch off the air compressor and fill with approved oil
Air compressor is producing increased sound levels/vibration/metal-
lic knock
Bearing, piston or valve damage
Contact a qualified GMC technician
Oil level too high
Keep the oil level as specified in 'Filling with motor oil'
Excessive oil consumption
Crankcase Breather (3) blocked
Remove and clean using a suitable cleaning product
Piston Ring/Cylinder worn
Contact a qualified GMC technician
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