User's Manual

200-2235
23
TOUBLESHOOTING CHART
Note: Troubleshooting problems may have similar causes and solutions.
PROBLEM POSSIBLE CAUSE SOLUTION
Low Discharge Air leaks Tighten or replace leaking fittings or connections. Do not overtighten.
Pressure
Leaking valves Contact authorized service center.
Restricted air intake Clean or replace air filter element(s).
Blown gaskets Contact authorized service center.
Worn piston rings or cylinder Contact authorized service center.
Pump Knocking Loose engine pulley or Retighten pulley and flywheel. Check alignment.
compressor flywheel
Low oil level in pump crankcase Keep oil at proper level at all times.
Excess carbon on valves or top of Contact authorized service center.
piston
Oil in Discharge Air Worn piston rings or cylinder Contact authorized service center.
Restricted air intake Clean or replace the air filter element(s).
Oil level too high Reduce to proper level. Use non–detergent oil.
Overheating Poor ventilation Relocate compressor to an area with cool, dry, well circulated air,
at least 12 in. from nearest wall.
Dirty cooling surfaces Clean all cooling surfaces thoroughly.
Restricted air passages Replace transfer tubes and/or unloader.
Excessive Belt Wear Pulley out of alignment Realign pulley with compressor flywheel.
Improper belt tension Readjust.
Pulley wobbles Replace the pulley and check for a damaged crankshaft or flywheel.
Excessive Unloader Air leaks in piping Tighten or replace leaking fittings or connections. Do not overtighten.
Cycling
Gasoline Engine Stall Air leaks in piping Tighten or replace leaking fittings or connections. Do not overtighten.
Compressor Won’t Start Compressor not winterized See cold weather preparation.
in Cold Temperatures
Engine flooded Remove spark plug and dry it. Reinstall.
Compressor too cold Move compressor to a warmer location.