TROUBLESHOOTING GUIDE
PERFORMINGREPAIRSMAYEXPOSEVOLTAGESOURCES,MOVINGPARTSORCOMPRESSED AIR SOURCES. PERSONAL INJURY MAY OCCUR. PRIOR TO ATTEMPTING ANY REPAIRS, UNPLUG THE COMPRESSOR AND BLEED OFF TANK AIR PRESSURE.
PROBLEM | CAUSE | CORRECTION |
|
|
|
Excessive tank pressure - | Pressure switch does not shut off mo- | Move the pressure switch lever to the “OFF” posi- |
safety valve pops off. | tor when compressor reaches “cut- | tion. If the outfit doesn’t shut off, unplug. If the |
| out” pressure. | electrical contacts are welded together, replace |
|
| the pressure switch. |
|
| Pressure | Return the outfit to an authorized dealer to check | |
|
|
| and adjust, or replace switch. | |
|
|
|
|
|
Air leaks at fittings. | Tube fittings are not tight enough. | Tighten fittings where air can be heard escaping. | ||
|
|
| Check fittings with soapy water solution. DO NOT | |
|
|
|
| |
|
|
|
|
|
Air leaks at or inside check | Defective or dirty check valve. | A defective check valve results in a constant air leak | ||
valve. |
| at the pressure release valve when there is pressure | ||
|
|
| in the tank and the compressor is shut off. Remove | |
|
|
| and clean or replace check valve. DO NOT OVER- | |
|
|
| TIGHTEN. | |
|
|
|
| |
Air leaks at pressure switch | Defective pressure release valve. | Remove and replace the release valve. | ||
release valve. |
|
|
| |
|
| Defective check valve. | A defective check valve results in a constant air leak | |
|
|
| at the pressure release valve when there is pressure | |
|
|
| in the tank and the compressor is shut off. Remove | |
|
|
| and clean or replace check valve. DO NOT OVER- | |
|
|
| TIGHTEN. | |
|
|
|
| |
Air leaks in air tank or at air tank | Defective air tank. | Air tank must be replaced. Do not repair the leak. | ||
welds. |
|
|
| |
|
|
| DO NOT DRILL INTO, WELD OR OTHERWISE | |
|
|
| MODIFY AIR TANK OR IT WILL WEAKEN. | |
|
|
| THE TANK CAN RUPTURE OR EXPLODE. | |
|
|
|
| |
Pressure reading on the regu- | It is normal for “some” pressure drop to | If there is an excessive amount of pressure drop | ||
lated pressure gauge drops | occur. | when the accessory is used, adjust the regulator | ||
when an accessory is used. |
| following the instructions on page 7. | ||
|
|
| NOTE | |
|
|
| Adjust the regulated pressure under | |
|
|
| flow conditions (while accessory is be- | |
|
|
| ing used). | |
10 — ENG
