Adjusting the Check Valve/Unloader
Air Lock
When pressure is left in an air tank for prolong periods of time, the check valve spring can become compressed cause the motor to not start.
Resolve Issue:
1. Turn off and unplug the air
compressor,
2. Drain the air tank from the drain
valve.
3. Locate the check valve on the
parts diagram in manual
4. Remove the hex nut cap on the
check valve. (see picture below)
5. Remove the spring located inside
the check valve.
6. Clean the inside of the check
valve.
7. Clean and enlong the
spring
8. Replace the spring and
cap.
9. Close the drain
valve
10. Plug in the power cord and
turn on the air compressor.
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