Compressor Section
o Check the oil level.
o Check for oil leaks
o Check the compressor mounts (springs/bushings).
o Verify that the cap tubes are not rubbing.
o Check/re-torque the wire connections (inside the compressor box).
o Check the compressor operation (vibration/noise).
o Check the crank-case heater fuses/operation.
o Check for refrigerant leaks.
o Suction pressure
Circuit #1 _______ Circuit #2 _______
o Discharge pressure
Circuit #1 _______ Circuit #2 _______
o Superheat
Circuit #1 _______ Circuit #2 _______
o Low pressure switch cut out
Circuit #1 _______ Circuit #2 _______
o Low pressure cut in
Circuit #1 _______ Circuit #2 _______
o High pressure cut out
Circuit #1 _______ Circuit #2 _______
o Amp draw
Circuit #1A L1 L2 L3
Circuit #1B L1 L2 L3
Circuit #2A L1 L2 L3
Circuit #2B L1 L2 L3
10 Preventive Maintenance Checklist
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