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Manitowoc Ice CM MODEL STH003 User Manual

Page 76

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76

Contamination/Cleanup Chart

Symptoms/Findings Required

Cleanup

Procedure

No symptoms or suspicion

of contamination

Normal

evacuation/recharging

procedure

Moisture/Air Contamination

symptoms Refrigeration

system open to atmosphere

for longer than 15 minutes

Refrigeration test kit and/or

acid oil test shows

contamination

No burnout deposits in

open compressor lines

Mild contamination

cleanup procedure

Mild Compressor Burnout

symptoms

Oil appears clean but

smells acrid

Refrigeration test kit or acid

oil test shows harmful acid

content

No burnout deposits in

open compressor lines

Mild contamination

cleanup procedure

Severe Compressor

Burnout symptoms

Oil is discolored, acidic, and

smells acrid

Burnout deposits found in

the compressor, lines, and

other components

Severe contamination

cleanup procedure