Troubleshooting - john deer AC1-CG16H Manual Del Usuario

Symptom
Engine will not start.
Noisy operation.
Pressure drop in air tank or
rapid pressure loss when the
unit is shut off.
Insufficient pressure at air
tool or accessory.
Operator's Manual

Troubleshooting

Problem
Various engine problems.
Loose engine pulley or pump flywheel.
Lack of oil in the pump.
Carbon deposits on pistons or valves.
Bearing, piston or connecting rod failure. STOP THE UNIT! Contact John Deere
Air leaks at connections.
Air leak in air tank.
Defective Pilot Valve.
Pressure Regulator not turned to
high enough pressure or defective.
Restricted air intake.
Air leaks or restrictions.
Hose or hose connections are too
small or long.
Slipping belt.
The unit is not large enough for air
requirement.
Restriction in Pilot Valve.
Solution
Refer to the engine manual
accompanying your unit.
Tighten pulley and or flywheel.
Add correct amount of oil. Check
for bearing damage.
Remove cylinder head and inspect.
Clean or replace.
customer service.
Allow the unit to build pressure to the
maximum allowed. Turn off and brush
a soapy water solution onto all
connections. Check connections for
air bubbles. Tighten the connections
where leaks are present.
Air tank must be replaced. Do not
attempt to repair air tank!
Clean or replace.
Adjust Pressure Regulator to proper
setting or replace.
Clean or replace Air Intake Filter.
Check for leaks and repair.
Replace with larger hose or
connectors.
Tighten or replace.
Check the accessory air requirement.
If it is higher than the CFM or pressure
supply to the air compressor, use a
larger unit.
Clean or replace.
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