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 |
|
| CORRECTION | ||||||
Excessive tank pressure - safety |
|
|
|
|
| Move On/Auto/Off lever to the | |||||
| Pressure switch does not shut off | ||||||||||
valve pops off. |
| motor when compressor reaches |
|
|
| “OFF” position, if the outfit does | |||||
|
|
|
|
|
| not shut off contact a Trained | |||||
|
|
|
|
|
|
| Service Technician. | ||||
|
|
| Pressure switch |
|
|
| Contact a Trained Service | ||||
|
|
| high. |
|
|
| Technician. | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Air leaks at fittings. |
|
|
|
| Tighten fittings where air can be | ||||||
| Tube fittings are not tight enough. | ||||||||||
|
|
|
|
|
|
| heard escaping. Check fittings | ||||
|
|
|
|
|
| ||||||
|
|
|
|
|
|
| with soapy water solution. DO | ||||
|
|
|
|
|
|
| NOT OVERTIGHTEN. | ||||
|
|
|
|
|
| ||||||
|
|
|
|
|
|
| |||||
Air leaks at or inside check valve |
| ||||||||||
|
| Check valve seat damaged. | A defective check valve results in | ||||||||
|
|
|
|
|
|
| a constant air leak at the pressure | ||||
|
|
|
|
|
| ||||||
|
|
|
|
|
|
| release valve when there is pres- | ||||
|
|
|
|
|
| ||||||
|
|
|
|
|
|
| sure in the tank and the compres- | ||||
|
|
|
|
|
|
| sor is shut off. Replace check | ||||
|
|
|
|
|
|
| valve. Refer the “To Replace or | ||||
|
|
|
|
|
|
| Clean Check Valve” in the | ||||
|
|
|
|
|
|
| "Service and Adjustment" section. | ||||
|
|
|
|
|
|
|
|
|
| ||
Air leaks at pressure switch |
|
|
|
|
|
|
|
|
| ||
| Defective pressure switch release |
|
|
|
|
|
| ||||
|
|
|
| Contact a Trained Service | |||||||
release valve. |
| valve. |
|
|
| ||||||
|
|
| Technician. | ||||||||
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
| ||
Air leaks in air tank or at air tank |
|
|
|
| Air tank must be replaced. Do not | ||||||
| Defective air tank. | ||||||||||
welds. |
|
|
|
|
| repair the leak. | |||||
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Do not drill into, weld or otherwise | ||||
|
|
|
|
|
|
| modify air tank or it will weaken. | ||||
|
|
|
|
|
|
| The tank can rupture or explode. | ||||
|
|
|
|
|
| ||||||
Air leaks between head and valve |
|
|
|
| Contact a Trained Service | ||||||
| Leaking seal. | ||||||||||
plate. |
|
|
|
|
| Technician. | |||||
|
|
|
| ||||||||
|
|
|
|
|
| ||||||
Pressure reading on the regulated |
|
|
|
|
| ||||||
| It is normal for “some” pressure |
| If there is an excessive amount of | ||||||||
pressure gauge drops when an |
| drop to occur. |
|
| pressure drop when the accessory | ||||||
accessory is used. |
|
|
|
|
| is used, adjust the regulator fol- | |||||
|
|
|
| ||||||||
|
|
|
|
|
|
| lowing the instructions in the | ||||
|
|
|
|
|
|
| “Description of Operation” para- | ||||
|
|
|
|
|
|
| graph in the “Operation Section. | ||||
|
|
|
|
|
|
| NOTE: Adjust the regulated pres- | ||||
|
|
|
|
|
|
| sure under flow conditions (while | ||||
|
|
|
|
|
|
| accessory is being used). | ||||
|
|
|
|
|
|
|
|
|
|
|
|
D22130 |
