PROBLEM |
| CAUSE | CORRECTION | |
Knocking Noise. |
| Possible defect in safety | Operate safety valve manually | |
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| valve. | by pulling on ring. If valve still | |
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| leaks, it should be replaced. |
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| Defective check valve. | Remove and clean, or replace. | |
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| Loose pulley. | Tighten pulley set screw, see | |
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| Parts manual for torque |
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| specifications. |
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| Loose flywheel. | Tighten flywheel screw, see | |
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| Parts manual for torque |
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| specifications. |
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| Compressor mounting | Tighten mounting screws,see | |
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| screws loose. | Parts manual for torque | |
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| specifications. |
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| Loose belt. | Loosen wingnut and then | |
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| tighten wingnut until it | ||
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| |
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| contacts the washer, plus one |
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| turn. |
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| Carbon | Have checked by a Trained | |
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| Service Technician. |
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| Belt to tight. | Loosen wingnut and then | |
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| tighten wingnut until it |
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| contacts the washer, plus one |
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|
| turn. |
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Excessive belt |
| Loose belt. | Loosen wingnut and then | |
wear. |
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| tighten wingnut until it |
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| contacts the washer, plus one |
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| turn. |
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| Tight belt. | Loosen wingnut and then | |
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| tighten wingnut until it |
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| contacts the washer, plus one |
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|
|
| turn. |
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| Loose pulley. | Have checked by a Trained | |
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| Service Technician. |
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| Pulley misalignment. | See Motor Pulley/Flywheel | |
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| Alignment paragraph in the |
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| Maintenance section. |
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Squealing |
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| See |
| Compressor pump has no | |||
sound. |
| oil. |
| the Maintenance section. |
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| Loosen wingnut and then |
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| Loose belt. |
| |
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| tighten wingnut until it |
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| contacts the washer, plus one |
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| |
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| turn. |
27- ENG | D24938 |