TROUBLE SHOOTING
PROBLEM | POSSIBLE CAUSE | CORRECTIVE ACTION |
Insufficient | Clogged inlet filter. | Clean or replace as necessary. |
output, low |
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discharge | Leaks in air lines, air valves, | Replace worn components as |
pressure | fittings, etc... | necessary. |
| Drive belts slipping. | Tension |
| Drain valve left open. | Close drain valve. |
| Defective pressure gauge. | Replace pressure gauge. |
| Leaking head gasket. | Replace head gasket. |
| Dirty or plugged inter cooler | Remove and clean inter cooler |
| tubes. | tubes. |
| Unloader pilot adjusted too | Make necessary adjustments. |
| low, or defective. |
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| Worn or defective compressor | Replace valves. |
| valves. |
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| Worn piston, worn out rings. | Replace worn parts. |
| Restrictive check valve. | Clean check valve and replace |
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| if necessary. |
| Compressor incorrectly sized. | Upgrade to larger compressor. |
Engine stalls. | Faulty unloader / check valve. | Replace unloader check valve. |
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| Low oil in engine | Add oil to engine |
| Compressor not level. | Level compressor. |
Water in | Cycle too short; compressor | Allow for longer operating |
crankcase | does not operate long enough | cycle. |
oil gets dirty, | to vaporize condensed mois- |
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rusty valves | ture during compression. |
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or cylinders |
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| Compressor operating out- | Provide adequate protec- |
| side in cold conditions or inlet | tion against extreme weather |
| filter not protected against | conditions. |
| weather. |
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