WD Catalog 2018

Service Operations - Oil Charging

13.1 Compressor Repaired Internally and Reinstalled in the System

1. Before any internal repair is done, drain the oil from the compressor. · Remove the oil plug and drain as much oil as possible into a suitable container.

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Remove the caps (if present) from suction and discharge ports Drain oil from the suction and discharge ports into a suitable container while turning the shaft clockwise only with a socket wrench on the armature retaining nut.

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2. Measure and record the amount of oil drained from the compressor. 3. Inspect the oil for signs of contamination such as discoloration of foreign material.

4. Perform repair to the compressor.