Symptom
Unit has no output.
Air leaks from Safety Relief Valve. Possible defective Safety Relief
Air leaks at pump.
Air blowing from Air Intake Filter.
Moisture in discharge air.
Excessive oil consumption or
oil in hose.
Oil has milky appearance.
Unit has no output.
24
Troubleshooting
Problem
Circuit breakers tripped.
Inadequate cord sets or
extension cords.
Valves.
Excessive air tank pressure.
Defective gaskets.
Defective inlet (reed) valve.
Condensation in air tank caused by
high level of atmospheric humidity or
the unit is not run long enough.
Restricted Air Intake Filter.
The unit on unlevel surface.
Crankcase overfilled with oil.
Wrong viscosity.
Plugged crankcase breather.
Oil leaks.
Worn piston rings or scored cylinder.
Water in oil due to condensation.
Inadequate cord sets or extension cords. Check cord sets or extension cords
Solution
Reset circuit breakers.
Check cord sets or extension cords
capabilities.
Operate Safety Relief Valve manually
by pulling on ring. If it still leaks, it
should be replaced.
Clean, reset or replace Pilot Valve.
Tighten bolts on compressor head to
proper torque or replace gaskets.
Contact your John Deere customer
service center.
Run the unit a minimum of one hour
to prevent condensation buildup.
Drain air tank more often in humid
weather and use an air line filter.
Clean or replace.
Do not incline the unit 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 or replace.
Tighten bolts on compressor to
proper torque or replace gaskets.
Contact your John Deere customer
service center.
Change oil and move air compressor
to a less humid environment.
capabilities in section Maintenance;
Cable Size in this manual. Consult
your John Deere customer service
center.
Operator's Manual