H. COMPRESSOR OVERHEATS
PROBABLE CAUSE
POSSIBLE REMEDY
Flywheel defective
Replace flywheel (Sect. Xl. Para. A)
V-belt. slipping
Adjust V-belts (Sect. X, Para. E3)
Intake and exhaust valves faulty
Clean or replace valves (Sect. X, Para. II)
Intake air muffler dirty
Service intake air muffler (Sect. VI, Para. B)
Oil level low
Inspect oil level ill crankcase and fill in accordance with
lubrication chart (Refer to Fig. 10)
I.
COMPRESSOR FAILS TO PUMP TO PRESSURE
PROBABLE CAUSE
POSSIBLE REMEDY
Air leakage in unit
Eliminate by tightening connections
Pressure switch defective
Replace or repair pressure switch (Sect. IX, Para. B)
V-belts improperly adjusted
Adjust V-belts (Sect. X, Para. E3)
Intake and exhaust valves defective
Clean or replace valves (Sect. X, Para. 11)
Governor leaking
Repair or replace governor (Sect. X, Para. I)
Motor defective
Replace motor (Sect. VIII, Para. B)
Intake air muffler clogged
Clean or replace intake air muffler (Sect. VI, Para. B)
Intercooler leaks
Replace defective. intercooler (Sect. XI, Para. A)
J.
COMPRESSOR NOISY
PROBABLE CAUSE
POSSIBLE REMEDY
Flywheel loose
Tighten nut on flywheel bolt '
Lubrication improper
Lubricate the air compressor as directed in the
lubrication
chart (Refer to Fig. 10)
K. COMPRESSOR VIBRATES EXCESSIVELY
PROBABLE CAUSE
POSSIBLE REMEDY
Mounting insecure
Tighten mounting bolts
Drive pulley out of line
Inspect and adjust alinement of drive pulley (Sect. X,
Foundation insecure
Para. E3)
Strengthen foundation or relocate air compressor on
solid
L. COMPRESSOR FAILS TO SHUT DOWN
base.
PROBABLE CAUSE
POSSIBLE REMEDY
Pressure switch not properly adjusted
Adjust pressure switch (Sect. IX, Para. B)
Load requirement excessive for air compressor capacity
Replace check valve assembly
M. BELTS WEAR EXCESSIVELY
PROBABLE CAUSE
POSSIBLE REMEDY
Flywheel loose
Tighten nrut on flywheel bolt
V-belts improperly adjusted
Adjust V-belts (Sect. X, Para. E3)
Oil or grease on belts
Clean belts or replace damaged belts (Sect. X, Pars.
E3)
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