Vulcan-Hart 176-6799, Instruction Manual

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SYMPTOM POSSIBLE CAUSE REMEDY
Circuit breaker trips (or fuse
blows) too often
Low voltage Consult electrician
Excessive wire length Try to run compressor
without extension cord
Restricted air passages Contact service centre
Back pressure in pump head Replace check valve
Replace pressure switch
bleeder valve
Low pressure Air leak in safety relief valve Check valve manually: pull
ring outward
Restricted air filter Clean or replace air filter
Defective check valve Replace check valve
Safety pressure relief valve
opens
Defective pressure switch or
improper adjustment
Check for proper adjustment
and if problem persists,
replace pressure switch
Oil discharge in air Improper oil viscosity Replace with SAE-20 non-
detergent compressor oil
Too much oil in crankcase Drain crankcase and fill to
correct level
Compressor overheated Air pressure regulated too
high
Reduce regulator setting
Restricted air filter Clean and replace air filter
Poor ventilation Relocate compressor
Dirty cooling surface Clean pump cooling vanes
Other Contact technical support
department: 1-800-482-0131
TROUBLESHOOTING
WARNING
!
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Repairs should be made by an authorized repair centre.
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Opening this tool could invalidate your warranty.