Troubleshooting Guide - DeWalt D55250 Guide D'utilisation

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Guide d'utilisation (47 pages)

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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 ....................................................................................................................................

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.............................................. ,7,8,9,10,1

Restricted air intake. .................................................................................................................. 1

Excessive vibration .................................................................................................................... 13,9

Knocking Noise .......................................................................................................................... 6,13,14,15,17,9

Engine will not run ..................................................................................................................... 16,17,8

Pressure reading on the regulated pressure gauge drops when an accessory is used ........... 18

Regulator knob has continuous air leak .................................................................................... 19

Regulator will not shut off air outlet ........................................................................................... 19

Moisture in pump crankcase ...................................................................................................... ,5,11,0,1,,3,4,5

Pump will not run ....................................................................................................................... 6

Air tank pressure will not build ................................................................................................... 6,7

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