John Deere AC2-80ES - Manuel (Page 17)

Stationary Electric Air Compressor Manual 7
TROUBLESHOOTING
SYMPTOM PROBABLE CAUSE REMEDY
Excessive oil consumption or oil in
hose.
Restricted air intake filter.
Air compressor on unlevel surface.
Crankcase overfilled with oil.
Wrong viscosity.
Plugged oil dipstick vent.
Oil leaks.
Worn piston rings or scored cylin-
der.
Clean or replace.
Do not incline the air compres-
sor more than 0° 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. Drain oil. Refill to proper level with
SAE-30W non-detergent oil.
Unit runs backward. Reversed wiring. Contact qualified electrician.
Moisture in discharge air. Condensation in air tank caused
by high level of atmospheric hu-
midity.
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, remove power to
the machine. If the electrical con-
tacts are welded together, replace
the pressure switch.
Limit the air usage to the capacity
of the air compressor. Either use a
smaller tool or a larger air com-
pressor.