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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", shut off the main power discon-
nect, and relieve all air pressure from the air tank.
2.
Remove the front of the
beltguard by removing
the screws and wash-
ers (S) using a Torx T25
bit.
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
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 10 pound (4.6 kg.) weight is
applied at the midway point.
3.
When proper belt
tension is achieved,
tighten all four motor
mounting screws.
Torque to 20-25 ft-lbs
(27.1–33.9 Nm).
NOTE: Once the engine
pulley has been moved
from its factory set loca-
S
tion, the grooves of the
flywheel and pulley must
be aligned to within 1/16" (1.6 mm) to prevent excessive belt wear.
Verify the alignment by performing the following Motor Pulley/
Flywheel - Alignment.
Motor Pulley/Flywheel Alignment
NOTE: Once the motor pulley has been moved from its factory set
location, the grooves of the flywheel and pulley must be aligned to
within 1/16" (1.6 mm) to prevent excessive belt wear.
The air compressor flywheel and motor pulley must be in-line (in the
same plane) within 1/16" (1.6 mm) to assure belt retention within
flywheel belt grooves. To check alignment, perform the following
steps:
1.
Set the Auto/Off lever
to "Off", shut off the
main power discon-
nect, and relieve all
air pressure from the
air tank.
2.
Remove belt guard.
3.
Place a straightedge against the outside of the flywheel and the
motor drive pulley.
19
Deflection
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