Champion R30D Operation Maintenance Manual & Parts List page 18

Symptom
Air escapes from centrifugal unloader
when unit is running
Air escapes from centrifugal unloader
when unit is stopped.
System does not alternate
(Duplex units only)
Possible Cause(s)
1. Centrifugal unloader release valve
dirty or detective.
1. Check valve stuck in open position.
1. Starter tripped.
2. Loose wiring in alternator.
3. Defective alternator.
4. Defective motor.
18
Corrective Action
1. Clean or replace valve
1. Replace check valve.
Warning – Relieve tank pressure
before servicing.
1. Reset starter. If starter trips
repeatedly, have electrical system
inspected by an electrician.
2. Check and tighten all wiring
connections.
3. Replace alternator.
4. Replace motor.