0
E
n
g
li
sh
CoDe
PossIble CAuse
PossIble solutIon
Piston rings damaged or worn
Contact a D
e
WALT factory service center or a D
e
WALT
authorized service center
3
Cylinder or piston damaged or worn
Contact a D
e
WALT factory service center or a D
e
WALT
authorized service center
4
Compressor cylinder finish worn
Contact a D
e
WALT factory service center or a D
e
WALT
authorized service center
5
Water in pump oil
Drain oil and refill pump with D
e
WALT synthetic compressor
oil.
6
Manual lock unloader lever in
open position
Rotate manual lock unloader lever to the
closed perpen-
dicular position.
7
Regulator open
Rotate the regulator knob counterclockwise to its built-in stop
and push knob in to lock in place.
8
Engine fuel tank empty
Add gasoline, see engine's instruction manual for correct
procedure.
9
Pump stiffener bracket bolt is loose
Check bolt and tighten if required. Torque pump stiffener
bracket bolt to 35-50 in.-lbs. (3.9–5.6 Nm).
WARNING: Risk of bursting. Excessive vibration could
weaken the air tank and cause it to rupture or explode.
Stiffener bracket bolt must be kept tightened. Never operate
the unit unless equipped with the stiffener bracket.