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English – DeWalt D55273 User Manual

Page 22

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22

English

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.