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15.3
ORDINARY MAINTENANCE
General:
Data collection operation (Note 3) X
Visually inspect the unit for any damage and / or looseness
X
Verifying the integrity of the thermal insulation
X
Clean and paint where needed
X
Water Analysis (4)
X
Electric:
Check the correct operation of the equipment on the unit
X
Check the wear of contactors - Replace if necessary
X
Check tightness of all electrical terminals - Tighten if necessary
X
Clean the inside of the electrical panel
X
Visual inspection of the components for signs of overheating
X
Check the operation of the compressor and the electric resistance
X
Measurement using a Megger insulation of the compressor motor
X
Refrigerant circuit:
Perform a test of refrigerant leaks
X
Check through the sight glass coolant flow - Full Indicator X
Carry out the analysis of the vibrations of the compressor
Carry out the analysis of the acidity of the oil of the compressor (5)
X
Notes:
1)
The monthly activities include all those weekly.
2)
The annual activity (or earlier in the season), include all activities weekly and monthly.
3)
The values of the unit should be recorded each day for a high level of observation.
4)
Check for dissolved metals.
5)
TAN (Total Acid Number):
Repositioning filters antacid and occurs after 1000
hours of operation. Continue to replace the filters
until the TAN not falls below 0.10.
Changing the oil, oil filter and the filter drier, Refer
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