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TROUBLE SHOOTING GUIDE
NOTE: REMOVE POWER SOURCE AND DRAIN TANK PRESSURE PRIOR TO MAKING ANY
REPAIRS OR ADJUSTMENTS.
Problem
Unit will not run
Air leaks at fittings
Air leak at pressure switch
Unit will not build pressure
Unit will not build pressure
Air leak at tank or air tank
welds.
Cause
Tank pressure exceeds "cut in" pressure . . . . . . . .Once pressure drops below "cut in" pressure, the unit will start.
Extension cord causing excessive amp draw . . . . .Check guidelines for proper cord gauge
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(use of extension cords is not recommended).
Fuse or circuit tripped . . . . . . . . . . . . . . . . . . . . . . . . . .Replace fuse or breaker
Unit not turned on or not plugged in . . . . . . . . . . . . . .Check pressure switch and verify that it is in the Auto position.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Verify that unit is plugged in.
Air filter plug not removed . . . . . . . . . . . . . . . . . . . . . .Remove air plug and install Air filter.
Cold weather conditions . . . . . . . . . . . . . . . . . . . . . . . .Place compressor in warmer environment for at least 30 minutes
(typically temperatures below freezing) . . . . . . . . . .then try restarting.
Fittings loose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Tighten fitting. Check with soapy water. DO NOT OVER TIGHTEN.
Clogged check valve . . . . . . . . . . . . . . . . . . . . . . . . . . .Remove and clean check valve
Application requires excessive air demand . . . . . . .Reduce demand on compressor
Loose head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Tighten bolts on head
Blown gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Remove head and check for broken or deformed gasket. Replace
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .if needed.
Worn or broken valves . . . . . . . . . . . . . . . . . . . . . . . . . .Remove head and replace valves.
Damaged air tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Correction
-10-
DO NOT DRILL INTO, WELD OR
OTHERWISE MODIFY AIR TANK.
DAMAGED OR MODIFIED TANKS
CAN RUPTURE. REPLACE TANK
IMMEDIATELY.
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