4.3Maintenance of Air Compressor（Only for P/N
NOTICE
Instruments shipped to Europe area where CE marking conformity is necessary do not provide with the air compressor. Also instruments those shall be compliant to
4.3.1Checkup and Maintenance
Check the following items regularly.
Before checkup/maintenance, be sure turn the main switch off.
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Check Item | Procedure |
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Every | Every 250 h | Every 3,000 h | Every 6,000 h | ||||
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Discharge of drain | Loosen the drain | ○ |
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| cock of air tank to |
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| discharge drain. |
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Activation of control | Check the | ○ |
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devices (pressure | working pressure |
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gauge, pressure switch | and activated |
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and safety valve) | function. |
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Abnormal vibration and |
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abnormal sound |
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Loose bolts, nuts and | If loose, retighten |
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screws | them. |
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Contamination and | Blow air to |
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clogging of strainer/filter | remove clogged |
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Leakage through air |
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valve ∗ |
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Piston ring ∗ |
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Rider ring ∗ |
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Bearing | Ball bearing |
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∗ |
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| Needle roller |
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| bearing |
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CAUTION
The air compressor should be drained gradually by slowly loosening the drain cocks. The inside of tank is at a high pressure. So, refrain from an abrupt cock operation, otherwise moisture may spray out to cause a danger.
