Troubleshooting guide

DRIVE BELT DOWNWARD FORCE
COMPRESSOR
FLYWHEEL
Figure 8. Checking Belt Tension
4,
5.
.
7.
8.
Holdthe belttension untilthe engine mount-
ing hardwarecan betightened.
Ensurethat the belts are centered on the
enginepulleyand compressorflywheel.
NOTE
Once the engine has been moved
from its factory set location the engine
pulley must align to within 1/16 inch
to the compressor flywheel.
Torqueengine mountingboltsto20 +3
foot pounds.
Reinstallthe belt guard.
Connect the spark plug wire.
On compressors equipped with standardV-belts,
each beltshoulddeflect 1/4"at the midway point
between the engine pulleyand flywheelwhen a
downwardforceof4 pounds,orequivalentfinger
pressure,isapplied at the midway point.Refer to
Figure8.
SERVICE INSTRUCTIONS
Moving parts, unexpected engine start-up and compressed air can cause serious injury.
Always disconnect the spark plug wire and relieve pressure from the air tank before
performing any of these service procedures. Never operate the air compressor with the
belt guard removed.
REPLACING DRIVE BELT
The gasolineengine is mounted to the tankassem-
blysaddle. By looseningengine mountinghardware,
the engine can bemoved to allow foreasy removal
of the belt. Replace thedrive beltas follows:
1. Disconnect the spark plug wire and drain all air
pressure from thetank.
2. Removethe beltguard.
3. Loosenthe enginemounting hardwareand
slidethe enginetowardthe compressor.
4.
Remove the beltand replacewitha new one.
On compressor outfits with matched V-
belts, bothbelts mustbe replaced at the same
time.
NOTE
The belts should be centered on
the flywheel and engine pulley. Once
the engine has been moved from its
factory set location, the engine
pulley mustalign to within 1/16
inch of the flywheel.
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