TROUBLESHOOTING
Performing repairs may expose voltage sources, moving parts or compressed air sources, moving parts or
compressed air sources. Personal injury may occur. Prior to attempting any repairs, unplug the air compressor and bleed off all air tank air
| PROBLEM | CAUSE |
| CORRECTION | ||||
| Excessive tank | Pressure switch does not | Move On/Auto/Off lever to | |||||
| pressure - | shut off motor when | the “OFF” position, if the | |||||
| safety valve | compressor reaches “cut- | outfit does | |||||
| pops off. | out” pressure. | not shut off contact a | |||||
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| Trained Service Technician. | |||||
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| Pressure switch | Contact a Trained Service | |||||
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| too high. | Technician. | |||||
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| Air leaks at | Tube fittings are not tight | Tighten fittings where air can | |||||
| fittings. | enough. | be heard escaping. Check | |||||
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| fittings with soapy water | |||||
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| solution. DO NOT | |||||
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| OVERTIGHTEN. | |||||
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| Air leaks at or | Check valve seat damaged. |
| A defective check valve | ||||
| inside check |
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| results in a constant air leak | ||||
| valve |
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| at the pressure release valve | ||||
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| when there is pressure in the | ||||
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| tank and the compressor is | ||||
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| shut off. Contact a Trained | ||||
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| Service Technician to | ||||
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| replace check valve. | ||||
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| Air leaks at | Defective pressure switch | Contact a Trained Service | |||||
| pressure switch | release valve. | Technician. | |||||
| release valve. |
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| (if equipped) |
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| Air leaks in air | Defective air tank. | Air tank must be replaced. | |||||
| tank or at air |
| Do not repair the leak. | |||||
| tank welds. |
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| Do not | |
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| drill into, | |
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| weld or otherwise modify | |||||
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| air tank or it will weaken. | |||||
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| The tank can rupture or | |||||
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| explode. | |||||
| Air leaks | Leaking seal. | Contact a Trained Service | |||||
| between head |
| Technician. | |||||
| and valve plate. |
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A02231 | 20- ENG |
