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CODE POSSIBLE CAUSE POSSIBLE SOLUTION
12 Restricted air intake filter Clean or replace air intake filter
13 Loose belt Check belt tension, see Adjusting Belt Tension under
Maintenance.
14 Engine or pump mount ing bolts are loose. Tighten mounting screws. Torque pump mounting bolt to
18– 22 ft.-lbs. (24.4–29.8 Nm). Torque engine mounting bolts
to 18– 22 ft.-lbs. (24.4–29.8 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.
15 Pump stiffener bracket bolt is loose Check bolt and tighten if required. Torque pump stiffener
bracket bolt to 18– 22 ft.-lbs. (24.4–29.8 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.
16
Loose pulley Tighten pulley set screw, torque to 140–150 in.-lbs.
(15.8– 16.9 Nm).
17
Loose flywheel Tighten flywheel screw, torque to 22–26 ft.-lbs.
(29.8–35.26 Nm).
18
Carbon build-up in pump Contact a D
E
WALT factory service center or a D
E
WALT
authorized service center
19
Belt to tight Check belt tension, see Adjusting Belt Tension under
Maintenance.
20
Pulley misalignment See Motor Pulley/Flywheel Alignment under
Maintenance.