TROUBLESHOOTING
Risk of Unsafe Operation. Unit cycles automatically when power is on. When servicing, you may be exposed to
voltage sources, compressed air, or moving parts. Before servicing unit unplug or disconnect electrical supply to the air compressor, bleed tank of pressure, and allow the air compressor to cool.
PROBLEM | CAUSE |
| CORRECTION | |||
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Excessive | Pressure switch does not |
| Move Auto/Off lever to the | |||
tank pressure | shut off motor when |
| "Off" position, if the outfit | |||
- safety valve | compressor reaches |
| does not shut off contact a | |||
pops off. |
| Trained Service Technician. | ||||
| Pressure switch |
| Contact a Trained Service | |||
| too high. |
| Technician. | |||
Air leaks at fit- | Tube fittings are not tight |
| Tighten fittings where air can | |||
tings. | enough. |
| be heard escaping. Check | |||
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| fittings with soapy water solu- | |||
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| tion. Do Not Overtighten. | |||
Air leaks at or | Check valve seat damaged. |
| Replace check valve. Refer to | |||
inside check |
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| the To Replace Check Valve | |||
valve. |
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| in the Service and Adjustment | |||
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| section. | |||
Air leaks in air | Defective air tank. |
| Air tank must be replaced. Do | |||
tank or at air |
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| not repair the leak. | |||
tank welds. |
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| Bursting |
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| Do not drill into, weld or | |||
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| otherwise modify air tank or | |||
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| it will weaken. The tank can | |||
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| rupture or explode. | |||
Air leaks | Leaking seal. |
| Contact a Trained Service | |||
between head |
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| Technician. | |||
and valve plate. |
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18- ENG