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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.
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" (1.6 mm).
5.
If the difference is greater than
1/16" (1.6 mm) 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" (1.6 mm) 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 perpen-
dicular 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 List
for torque specifications.
ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE
PERFORMED BY TRAINED SERVICE TECHNICIAN.
_Risk
of Unsafe
Operation. Unit
cycles automatically
when power
is on. When servicing,
you may
be exposed to voltage sources,
compressed
air, or moving parts.
Before servicing
unit unplug or
disconnect
electrical
supply to
the air compressor,
bleed tank
of pressure,
and allow the air
compressor
to cool.
TO REPLACE
OR CLEAN
CHECK
VALVE
1.
Release all air pressure from air
tank. See "To Drain Tank" in the
Maintenance section.
2.
Turn air compressor
off, lock out
the power supply, and relieve all
air pressure from the air tank.
3.
Using an adjustable wrench loos-
en outlet tube nut at air tank and
pump. Carefully move outlet tube
away from check valve.
1000002023
19 ENG
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