Dewalt DXCMH1393075 Instruction Manual - Page 28

Adjusting, Tension, Motor Pulley/Flywheel Alignment, Pump Oil

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English CODE POSSIBLE CAUSE 14 Engine mount­ing bolts are loose 15 Pump stabilizer bracket bolts are loose 16 Loose pulley 17 Loose flywheel 18 Carbon build-up in pump 19 Belt to tight 20 Pulley misalignment 21 Engine problem 22 Engine or pump oil is low POSSIBLE SOLUTION Tighten mounting screws. Torque engine mounting bolts to 15- 22 ft‑lbs (20.3- 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. Check bolt and tighten if required. Torque pump stabilizer bracket bolt to 15- 22 ft‑lbs (20.3-29.8 Nm). WARNING: Risk of bursting. Excessive vibration could weaken the air tank and cause it to rupture or explode. Stabilizer bracket bolt must be kept tightened. Never operate the unit unless equipped with the stabilizer bracket. Tighten pulley set screw, torque to 145-180 in.-lbs. (16.4- 20.3 Nm). Tighten flywheel screw, torque to 15-18 ft.-lbs. (20.3-24.4 Nm). Contact a DeWALT factory service center or a DeWALT authorized service center. Check belt tension, see Adjusting Belt Tension under Maintenance. See Motor Pulley/Flywheel Alignment under Maintenance. Contact a DeWALT factory service center or a DeWALT authorized service center. Add DeWALT synthetic compressor oil to pump. See Compressor Pump Oil under Maintenance. 28

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28
English
CODE
POSSIBLE CAUSE
POSSIBLE SOLUTION
14
Engine mounting bolts are loose
Tighten mounting screws. Torque engine mounting bolts to
15– 22 ft-lbs (20.3– 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 stabilizer bracket bolts are loose
Check bolt and tighten if required. Torque pump stabilizer bracket
bolt to 15– 22 ft-lbs (20.3-29.8 Nm).
WARNING:
Risk of bursting. Excessive vibration could weak-
en the air tank and cause it to rupture or explode. Stabilizer
bracket bolt must be kept tightened. Never operate the unit
unless equipped with the stabilizer bracket.
16
Loose pulley
Tighten pulley set screw, torque to 145–180 in.-lbs. (16.4– 20.3 Nm).
17
Loose flywheel
Tighten
flywheel
screw,
torque
to
15–18
ft.-lbs.
(20.3–24.4 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
.
21
Engine problem
Contact a D
E
WALT factory service center or a D
E
WALT authorized
service center.
22
Engine or pump oil is low
Add D
E
WALT synthetic compressor oil to pump. See
Compressor
Pump Oil
under
Maintenance.