TROUBLESHOOTING
Performing repairs may expose voltage 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 pressure.
PROBLEM | CAUSE |
| CORRECTION | |||
Excessive tank | Pressure switch does |
| Move On/Auto/Off lever to | |||
pressure - safety | not shut off motor when |
| the "Off" position, if the | |||
valve pops off. | compressor reaches "cut- |
| outfit does not shut off | |||
| out" pressure. |
| contact a Trained Service | |||
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| Technician. | |||
| Pressure switch |
| Contact a Trained Service | |||
| too high. |
| Technician. | |||
Air leaks at | Tube fittings are not tight |
| Tighten fittings where air | |||
fittings. | enough. |
| can be heard escaping. | |||
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| Check fittings with soapy | |||
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| water solution. Do Not | |||
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| Overtighten. | |||
Air leaks in air | Defective air tank. |
| Air tank must be replaced. | |||
tank or at air |
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| 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 |
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| Technician. | |||
and valve plate. |
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Air leak from | Possible defect in safety |
| Operate safety valve | |||
safety valve. | valve. |
| manually by pulling on ring. | |||
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| If valve still leaks, it should | |||
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| be replaced. | |||
Knocking Noise. | Possible defect in safety | Operate safety valve | ||||
| valve. | manually by pulling on ring. | ||||
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| If valve still leaks, it should | ||||
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| be replaced. | ||||
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19- ENG | A08394 |
