Reciprocating Compressor M Series
5-3
5.2.2 Monthly Inspection
z Verify the operation of the pressure switch using a pressure tester. Do not increase the actual
discharge pressure.
Inspection Items Remarks
Compressor Looseness of couplings㩷 Refer to "3.2.5.4 Centering of the Compressor/Driving
Machine and Attachment of the belts".
Belt tension㩷 Refer to "3.2.5.4 Centering of the Compressor/Driving
Machine and Attachment of the belts".
Cracking of the belt㩷 Refer to "3.2.5.4 Centering of the Compressor/Driving
Machine and Attachment of the belts".
Inspection of the protection
switch operation㩷
Oil leakage from the shaft seal㩷 8 cc/h or less: Normal
㩷
8—12 cc/h or less: To be monitored
㩷
12 cc/h or more: To be inspected
Inspection and cleaning of the
cooling systems㩷
The specification with the water-cooled condenser:
A large amount of water stain and scale may be adhered to
the condenser depending on the cooling water quality. In
such a case, a regular cleaning of the cooling pipes in the
condenser is required.
Analysis of lubricant㩷 Refer to "4.1.2 Refrigerant Oil Control Standard".
5.2.3 Biannual Inspection
Inspection Items Remarks
Compressor Pressure gauge㩷 Calibrate the gauges using a standard gauge.
㩷
Replace if it has a margin of error of minimum scale or more.
Thermometer㩷 Replace if it has a margin of error of minimum scale or more.
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