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 tank pressure | Pressure switch does |
| Move On/Off lever to | |||
- safety valve pops off. | not shut off motor when |
| the "Off" position, if | |||
| compressor reaches |
| the outfit does not shut | |||
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| off contact a Trained | ||||
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| Service Technician. | |||
| Pressure switch "cut- |
| Contact a Trained | |||
| out" too high. |
| Service Technician. | |||
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Air leaks at fittings. | Tube fittings are not |
| Tighten fittings where air | |||
| tight enough. |
| can be heard escaping. | |||
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| Check fittings with | |||
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| soapy water solution. | |||
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| Do Not Overtighten. | |||
Air leaks in air tank | Defective air tank. |
| Air tank must be | |||
or at air tank welds. |
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| replaced. Do not | |||
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| repair the leak. | |||
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| Risk |
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| bursting. Do not drill | |||
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| into, weld or otherwise | |||
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| modify air tank or it will | |||
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| weaken. The tank can | |||
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| rupture or explode. | |||
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Air leaks between | Leaking seal. |
| Contact a Trained | |||
head and valve plate. |
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| Service Technician. | |||
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Air leak from | Possible defect in |
| Operate safety valve | |||
safety valve. | safety valve. |
| manually by pulling on | |||
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| ring. If valve still leaks, | |||
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| it should be replaced. | |||
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Knocking Noise. | Possible defect in |
| Remove and clean, | |||
| safety valve. |
| or replace. | |||
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16 - ENG
