DeWalt DXCMLA3706056 Instruction Manual page 25

CODE POSSIBLE CAUSE
2 Defective air tank
3 Leaking seals
4 Defective safety valve
5 Prolonged excessive use of air
6 Compressor is not large enough for accessory
7 Hole in air hose
8 Unit operating in damp or humid conditions
9 Restricted air intake filter
10 Loose belt
11 Loose pulley
Loose flywheel
12
Carbon build-up in pump
13
Belt to tight
14
POSSIBLE SOLUTION
Air tank must be replaced. Do not repair the leak.
WARNING: Risk of bursting. Do not drill into, weld or other-
wise modify air tank or it will weaken. The air tank can rupture or
explode.
Contact a D WALT factory service center or a D
e
service center.
Operate safety valve manually by pulling on ring. If valve still
leaks, it must be replaced.
Decrease amount of air usage.
Check the accessory air requirement. If it is higher than the SCFM
or pressure supplied by your air compressor, a larger compressor
is needed to operate accessory.
Check and replace air hose, if required.
Move unit to a dry well ventilated area.
Clean or replace air intake filter.
Check belt tension, see Adjusting Belt Tension under
Maintenance.
Tighten pulley set screw, torque to 85-90 in.-lbs. (9.6–10.2 Nm).
Tighten flywheel screw,
(20.0–24.4 Nm).
Contact a D WALT factory service center or a D
e
service center.
Check belt tension, see Adjusting Belt Tension under
Maintenance.
25
WALT authorized
e
torque to 14–18 ft.-lbs.
WALT authorized
e