20
Inspection Before Disassembly
1. Inspection of plate fins on heat exchangers
Remove air filters and check plate fins for any dirt, dust, lint, or debris that may cause
insufficient cooling performance. If necessary, clean the plate fins.
2. Inspection of cooling capacity performance
Measure the difference in air temperature between the inlet of the evaporator and the cool air
vent. If the difference is out of the range of the graph on page 12, proceed with the solution
of “Poor cooling performance” on page 18.
Plate Fins
Thermometer
Cold Air Out
Evaporator Air In
