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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" to prevent excessive belt wear.
The air compressor flywheel and
motor pulley must be in-line (in the
same plane) within 1/16" to assure
belt retention within flywheel belt
grooves. To check alignment,
perform the following steps:
1.
Turn air compressor
off, lock out
the power supply, 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.
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BELT
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4.
Measure the distance between
the edge of the belt and the
straightedge
at points A1 and A2
in figure. The difference
between measurements
should
be no more than 1/16".
5.
If the difference is greater or less
than 1/16" loosen the set screw
holding the motor drive pulley to
the shaft and adjust the pulley's
position on the shaft until the A1
and A2 measurements
are within
1/16" of each other.
6.
Tighten the motor drive pulley
set screw.
See Parts manual for
torque specifications.
7.
Visually inspect the motor drive
pulley to verify that it is
perpendicular
to the drive motor
shaft. Points B1 and B2 of Figure
should appear to be equal. If
they are not, loosen the setscrew
of the motor drive pulley and
equalize B1 and B2, using care
not to disturb the belt alignment
performed in step 2.
8.
Retighten the motor drive pulley
setscrew.
See Parts manual for
torque specifications.
9.
Reinstall belt guard.
Air Compressor
Pump
Intake
and Exhaust
Valves
Once a year have a Trained Service
Technician check the air compressor
pump intake and exhaust valves.
Inspect
Air Lines and Fittings
for Leaks
1.
Turn air compressor
off, lock out
the power supply, and relieve all
air pressure from the air tank.
2.
Apply a soap solution to all air
line fittings and
connections/piping.
3.
Correct any leaks found.
IMPORTANT: Even minor leaks can
cause the air compressor
to
overwork, resulting in premature
breakdown
or inadequate
performance.
Air compressor
Head
Bolts -
Torquing
The air compressor
pump head bolts
should be kept properly torqued.
Check the torques of the head bolts
after the first five hours of operation.
Retighten if necessary. See Parts
manual for torque specifications.
D26056
20-ENG
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