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 pressure.
PROBLEM | CAUSE |
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Excessive tank pres- | Pressure switch does |
| Move On/Auto/Off lever to the | ||||
sure - safety valve | not shut off motor when |
| “OFF” position, if the outfit does | ||||
pops off. | compressor reaches |
| not shut off contact a Trained | ||||
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| Service Technician. | |||||
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| Contact a Trained Service | ||||
| Pressure switch “cut- |
| Technician. | ||||
| out” too high. |
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Air leaks at fittings. | Tube fittings are not tight |
| Tighten fittings where air can be | ||||
| enough. |
| heard escaping. Check fittings | ||||
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| with soapy water solution. DO | ||||
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| NOT OVERTIGHTEN. | ||||
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Air leaks at or inside | Check valve seat dam- |
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| A defective check valve results in | ||||||
check valve | aged. |
| a constant air leak at the pressure | ||||
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| release valve when there is pres- | ||||
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| sure in the tank and the compres- | ||||
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| sor is shut off. Replace check | ||||
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| valve. Refer the “To Replace or | ||||
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| Clean Check Valve” in the | ||||
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| “Operation” section. | ||||
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Air leaks at pressure | Defective pressure |
| Contact a Trained Service | ||||
switch release valve. | switch release valve. |
| Technician. | ||||
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Air leaks in air tank | Defective air tank. |
| Air tank must be replaced. Do | ||||
or at air tank welds. |
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| not repair the leak. | ||||
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| Do not drill into, weld or other- | ||||
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| wise modify air tank or it will | ||||
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| weaken. The tank can rupture or | ||||
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| explode. | ||||
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Air leaks between | Leaking seal. |
| Contact a Trained Service | ||||
head and valve |
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| Technician. | ||||
plate. |
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19 - ENG | D23269 |