2200Q2JE-HO-KHM-N_2015.02.
Chapter 5 Maintenance and Inspection
Ammonia Semi-hermetic Motor with K-series Compressor 5.1 Precautions for Maintenance
5-4
5.2.3.2 Overhauling the Entire Motor
Conduct the overhaul at intervals of 2 year or 16,000 hours, whichever earlier, after the commissioning.
Besides the overhaul contents of the motor jacket, remove the motor end cover, motor bearing retainer,
motor casing, motor rotor and compressor oil seal retainer to inspect the internal parts.
Table 5-1 Inspection Parts and Action when Overhauling the Entire Motor
No. Inspection Part Action
617 Motor Oil Seal Replace if any abnormality is found
613 Motor Bearing Replace if any abnormality is found
32 Compressor Oil Seal Replace if any abnormality is found
- Other Each Part Replace if any abnormality is found
Inspect the O-ring [610-1] of the motor jacket cover, and replace it if any fault is found.
Always replace the jacket cover gasket [611], water flange gasket [HKFG], oil seal retainer gasket [27],
motor casing gasket [604], and motor end cover gasket [621] of the opened blocks of the motor.
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