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Maintenance (continued)
4
Belt - Replacement
WARNING: Serious injury or
damage may occur if parts of
the body or loose items get
caught in moving parts. Never
operate the outfit with the belt
guard removed. The belt guard
should be removed only when
the air compressor power is
disconnected.
1.
Turn air compressor off, lock out
the power supply, and relieve all air
pressure from the air tank.
2.
Remove the belt guard.
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 Adjust Belt Tension before
tightening motor mounting screws.
5
Adjusting Belt Tension
(Figure 7)
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 3/16" (4.8 mm)
at midway between the pulley and the
flywheel when a 5 pound (2.26 kg.)
weight is applied at the midway point.
4.
When proper belt tension is achieved,
tighten all four motor mounting screws.
Torque to 20-25 ft-lbs
(27.1–33.9 Nm).
NOTICE: Once the engine
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. Verify the alignment by
performing the following Pulley
and Flywheel - Alignment.
FIGURE 7
16
Deflection
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