TROUBLESHOOTING
Risk of Unsafe Operation. Unit cycles automatically when power is on. When servicing, you may be exposed to voltage sources, com- pressed 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. | |||
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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. | |||
Knocking Noise. | Possible defect in |
| Operate 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. | |||
16 - ENG
