John Deere AC1-5GS - Manual (Page 13)

John Deere Hand Carry Gasoline Air Compressor Manual 13
TROUBLESHOOTING
SYMPTOM PROBABLE CAUSE REMEDY
Excessive oil consumption or oil
in hose.
Restricted Air Intake Filter.
Air compressor on un-level sur-
face.
Crankcase overfilled with oil.
Wrong viscosity.
Plugged oil dipstick vent.
Worn piston rings or scored
cylinder.
Clean or replace.
Do not incline the air compressor
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.
Contact John Deere Customer
Service.
Oil has milky appearance. Water in oil due to condensation. Change oil and move air compressor
to a less humid environment.
Air leaks from Pressure Relief
Valve
Possible defective Pressure Relief
Valve.
Excessive air tank pressure.
Operate Pressure Relief Valve manu-
ally by pulling on ring. If it still leaks, it
should be replaced.
Clean, reset or replace Pilot Valve.
Air leaks at pump. Defective gaskets. Torque head bolts: 15 ft./lbs.
Defective inlet (reed) valve. Contact John Deere Customer
Service.
Condensation in air tank caused by
high level of atmospheric humidity
or air compressor is not run long
enough.
Run air compressor a minimum of
one hour to prevent condensation
buildup. Drain air tank after every
use. Drain air tank more often in hu-
mid weather and use an air line filter.
Moisture in discharge air.
Air blowing from Air Intake
Filter.