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PROBLEM
Air Leaks (Cont'd)
Restricted Air Intake
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Squealing Souncl
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Low Discharge Pressure
iKnocking
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Excessive Belt Wear
CAUSE
Leak at welds.
Air leak in safety valve.
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Dirty air filter.
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Belt too loose.
No oil in compressor,
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Prolonged excess v,. use of air.
Restricted air intake filter.
Belt too loose.
Hole in hose.
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Loose pulley.
Low oil level.
Flywheel loose.
Compressor bolts loose.
Loose belt.
Carbon build up.
Belt too loose.
Belt too tight.
Pulley wobble.
CORRECTION
DO NOT DRILL IKT_. WELD OF.
OTHERWISE MO,:::)I_=_.' AIR TANI'. OF
TANK WILL BE WEAK=-.NED, TANK
MUST 5-- RF.PLA3_E:.
Operate safety valve manually by pulling on
ring. If valve stillleaks, itshould be replaced.
Clean or replace with new.
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"lighten wing nut on motor mount.
Add oil to top of fill hole in base.
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Decrease amount of air usage, compressor
is not large enough for air requirement. See
specification chart, page 5.
Clean or replace air intake filter.
Tighten wing nut on motor mount.
Check and replace if required.
Tighten pulley sat screw.
Check oil level and maintain at prescribed
level,
Make sure flywheel is tight by tightening
screw.
Check all belts and tighten as required.
Adjust wing nut on motor mount,
Remove head and valve plate, Clean top of
piston and bottom of valve plate. Reassem-
ble using new gasket and torque screws to
25-30 ft.-tbs,
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Adjust tension using wing nut on motor
mount.
Adjust tension using wing nut on motor
mount.
Check for worn keyway or pulley bore result-
ing from running the compressor with loose
pulleys. Also check for bent motor shaft.
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