Warranty

26
English
CODE POSSIBLE CAUSE POSSIBLE SOLUTION
6 Compressor is not large enough for accessory 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.
7 Hole in air hose Check and replace air hose, if required.
8 Unit operating in damp or humid conditions Move unit to a dry well ventilated area.
9 Restricted air intake filter Clean or replace air intake filter.
10 Loose belt Check belt tension, see Adjusting Belt Tension under
Maintenance.
11
Loose pulley Tighten pulley set screw, torque to 85-90 in.-lbs. (9.6–10.2Nm).
12
Loose flywheel Tighten flywheel screw, torque to 14–18 ft.-lbs.
(20.0–24.4 Nm).
13
Carbon build-up in pump Contact a D
e
WALT factory service center or a D
e
WALT authorized
service center.
14
Belt to tight Check belt tension, see Adjusting Belt Tension under
Maintenance.
15
Pulley misalignment See Motor Pulley/Flywheel Alignment under Maintenance.
16
Pump oil is low Add full synthetic, non-detergent air compressor oil to pump. See
Compressor Pump Oil under Maintenance.
17
Detergent type oil being used in pump Drain oil and refill pump with full synthetic non-detergent air com-
pressor oil.
18
Extremely light duty cycles Run unit for longer duty cycles. It is recommended to run at high
throttle 50-75% of the run time and idle for 25% of the run time.
19
Piston rings damaged or worn Contact a D
e
WALT factory service center or a D
e
WALT authorized
service center.