Belt Replacement; Adjusting Belt Tension - DeWalt DXCMLA1983054 Instruction Manual

2. Remove the oil drain plug (S) and drain oil into a suitable con-
tainer.
3. Replace the oil drain plug (S) and tighten securely
4. Slowly add compressor oil until it reaches the middle of the
sight glass (T). NOTE: When filling the crankcase, the oil
flows very slowly into the pump. If the oil is added too quickly,
it will overflow and appear to be full.
CAUTION: Overfilling with oil will cause premature compressor
failure. Do not overfill.
5. Replace oil fill plug (R) and tighten securely.
U = Full
V = Add
S = Oil drain plug
T = Oil level sight glass
R = Oil fill plug

Belt Replacement

WARNING: This unit starts automatically. ALWAYS shut off
and unplug the compressor, and bleed all pressure from the
system before servicing the compressor, and when the
compressor is not in use. Do not use the unit with the shrouds
or belt guard removed. Serious injury could occur from contact
with moving parts. Hot surfaces. Risk of burn. Pump head, and
surrounding parts are very hot, do not touch (see the Hot
Surfaces identified in Fig. 2). Allow compressor to cool prior to
servicing.
1. Set the Auto/Off lever to
"Off", unplug the unit,
and relieve all air pres-
sure from the air tank.
2. Remove the
guard by removing the
5 screws (W) using a
Phillips head
driver.
3. Mark pump position on
saddle.
4. Loosen the motor mounting screws and slide the motor toward
the air compressor.
5. Remove the belt and replace with a new one.
6. See the Adjusting Belt Tension before tightening motor
mounting screws.

Adjusting Belt Tension

1. Slide motor into original position, line the motor up with the
Fig. 4
mark made earlier on saddle.
2. Tighten two outside motor mounting screws enough to hold
the motor in place for checking pulley and flywheel alignment.
3. The belt should deflect 1/2" (13 mm)at midway between the
pulley and the flywheel when a 5 pound (2.26 kg.) weight is
applied at the midway point.
18
W
belt
screw-