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18 Portable Electric Air Compressor Manual
TROUBLESHOOTING
SYMPTOM PROBABLE CAUSE REMEDY
Excessive oil consumption or oil in
hose.
Restricted air intake filter.
Crankcase overfilled with oil.
Wrong viscosity.
Plugged oil dipstick vent.
Oil leaks.
Worn piston rings or scored
cylinder.
Clean or replace.
Do not incline the air compres-
sor more than 10° in any direction
while running.
Drain oil. Refill to proper level with
SAE-30W non-detergent oil.
Drain oil. Refill to proper level with
SAE-30W non-detergent oil.
Clean.
Tighten pump bolts to torque stated
in Parts List, or replace gaskets.
Contact your Customer Service.
Oil has milky appearance. Water in oil due to condensation. Change oil and move air
compressor to a less humid envi-
ronment.
Unit runs backward. Reversed wiring. Contact qualified electrician.
Moisture in discharge air. Condensation in air tank caused
by high level of atmospheric hu-
midity.
Run air compressor a minimum of
one hour to prevent condensation
buildup. Drain air tank after every
use. Drain air tank more often in
humid weather and use an air line
filter.
When in the Start/Stop Option,
motor runs continuously.
Motor/Pressure Switch does not
shut off motor when air compres-
sor reaches "cut-out" pressure and
safety relief valve activates.
Air compressor is incorrectly
sized.
Move the Motor/Pressure Switch
to the "OFF" position. If the motor
does not shut off, unplug the air
compressor. If the electrical con-
tacts are welded together, replace
the pressure switch.
Limit the air pressure to the capac-
ity of the air compressor. Either
use a smaller tool or a larger air
compressor.
Air compressor on unlevel surface.