CODE
POSSIBLE CAUSE
13
Engine mount ing bolts are loose
Air tank pressure is too high
14
15
Engine problem
16
Engine oil is low
It is normal for some pressure drop to occur
17
18
Damaged regulator
Manual lock unloader lever in open position
19
Regulator open
20
21
Engine fuel tank empty
POSSIBLE SOLUTION
Tighten mounting screws. Torque engine mounting bolts to
10– 20 ft.-lbs. (13.5–27.1 Nm).
WARNING: Risk of bursting. Excessive vibration could weaken
the air tank and cause it to rupture or explode. Mounting screws
must be kept tightened.
Open the regulator and reduce air tank pressure to less than
40 psi.
Contact a D
WALT factory service center or a D
e
service center.
See engine instruction manual.
If there is an excessive amount of pressure drop when the
accessory is used, adjust the regulator as instructed in Regulator
under Features.
NOTE: Adjust the regulated pressure under flow conditions while
accessory is being used.
Replace.
Rotate manual lock unloader lever to the closed perpendicular
position.
Rotate the regulator knob counterclockwise to its built-in stop.
Add gasoline, see engine's instruction manual for correct procedure.
22
WALT authorized
e