Troubleshooting Guide - DeWalt DXCMTA6590412 Instruction Manual

Gas portable air compressor

Table of Contents

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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

your dealer.

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 .................................................................................................................... 13

Knocking Noise ......................................................................................................................... 6, 13

Engine will not run ..................................................................................................................... 14, 15, 16, 21

Pressure reading on the regulated pressure gauge drops when an accessory is used ........... 17

Regulator knob has continuous air leak .................................................................................... 18

Regulator will not shut off air outlet .......................................................................................... 18

Pump will not run....................................................................................................................... 19

Air tank pressure will not build .................................................................................................. 19, 20