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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