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SSC Series Central Chilling Stations Page 75 of 86
9-7 Preventive Maintenance Service
A systematic preventive maintenance program helps avoid costly
down time. Call the Service Department at Sterling to arrange a
schedule of inspections. This service, described in Sterling
Bulletin No. 10-106.3, is tailored to fit your maintenance
requirements.
Inspections include:
þ Check refrigerant suction and discharge pressures.
þ Check safety and operating controls.
þ Check voltage and amperage of all motors.
þ Check all electrical connections.
þ Check quantity of refrigerant.
þ Check compressor oil level.
þ Check lubrication of motor and pump bearings.
þ Check circulating pump operation.
þ Check flow through heat exchangers.
þ Check compressor efficiency.
þ Check noise levels.
þ Check cleanliness of equipment area.
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