DeWalt D55270 Guide D'utilisation page 23

CoDe PossIble CAuse
13 Loose belt
14 D5570, D5570T, D5575, D5576
Engine or pump mounting nuts are loose.
D5571, D5571T
Engine mounting bolts or pump mounting nuts are loose.
fOR k PUmP UNITS
15
Pump stiffener bracket bolt is loose
16 Loose pulley
17 Loose flywheel
Carbon build-up in pump
18
19 Belt to tight
0 Pulley misalignment
1 Air tank pressure is too high
PossIble soluTIon
Check belt tension, see Adjusting belt Tension under
Maintenance.
Torque pump mounting nuts to 6– 8 ft.-lbs. (8.1–10.8 Nm).
Torque engine mounting bolts to 8– 10 ft.-lbs. (10.8–13.6 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.
Check bolt and tighten if required. Torque pump stiffener
bracket bolt to 10– 1 ft.-lbs. (13.6–16.3 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.
Tighten pulley set screw, torque to 145–165 in.-lbs.
(16.4– 19.6 Nm).
Tighten flywheel
(0.3– 4.4 Nm).
Contact a D WALT factory service center or a D
e
authorized service center.
Check belt tension, see Adjusting belt Tension under
Maintenance.
Motor Pulley/flywheel
See
Maintenance.
Open the regulator and reduce air tank pressure to less
than 40 PSI (75.8 kPa).
3
screw, torque to 15–18
Alignment
ft.-lbs.
WALT
e
under