DeWalt D55271 Manual De Instrucciones página 21

This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or maintenance
personnel can perform some corrective actions, and others may require the assistance of a qualified D
Problem
Excessive air tank pressure-safety valve pops off ......................................................................1
Air leaks .................................................................................................................................... 2
Continuous air leak at unloader valve. ....................................................................................... 3
Air leaks in air tank or at air tank welds .................................................................................... 4
Air leaks between head and valve plate .................................................................................... 5
Air leaks from safety valve ......................................................................................................... 6
Compressor is not supplying enough air to operate accessories.............................................. 2,7,8,9,10,12,13
Restricted air intake. .................................................................................................................. 12
Excessive vibration .................................................................................................................... 14,15
Knocking Noise .......................................................................................................................... 6,13,14,15,16,17,18,19
Excessive belt wear ................................................................................................................... 13,14,16,19,20
Squealing sound ........................................................................................................................ 13
Engine will not run ..................................................................................................................... 21,22,23,34
Pressure reading on the regulated pressure gauge drops when an accessory is used ........... 24
Regulator knob has continuous air leak .................................................................................... 25
Regulator will not shut off air outlet ........................................................................................... 25
Moisture in pump crankcase ...................................................................................................... 2,5,11,26,27,28,29,30,31
Pump will not run ....................................................................................................................... 32
Air tank pressure will not build ................................................................................................... 32,33
Troubleshooting Guide
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WALT technician or your dealer.
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Code