Replacement Of Evaporator - Maersk Container Industry Star Cool SCI-20 Operating And Service Manual

21.3 Replacement of evaporator

Position Description
1 Back plate, evaporator
2 Evaporator
The replacing of evaporator is done in the following steps:
1. Evacuate refrigerant as described in this manual (see "22.1 Evacuation of refrigerant" p. 82).
2. Remove the evaporator back plate (pos. 1).
3. Remove the heating elements below the evaporator (pos. 2).
4. Remove the sensors for evaporator temperature, suction temperature, and humidity.
5. Dismount or cut the suction and liquid pipes for the evaporator (pos. 2) in the correct place.
6. Remove/drill out rivets heads and remove the evaporator (pos. 2).
7. Punch the remaining rivet pieces into the foam using a (max ø5 mm) tool.
8. Mount new evaporator on chassis with appropriate stainless-steel rivets.
9. Connect the suction and liquid pipe to the new evaporator.
10. Reinstall the heating elements (see "21.4 Replacement of heating elements" p. 78).
11. Reinstall the sensors for evaporator temperature suction temperature humidity.
12. Reinstall the evaporator back plate (pos. 1).
13. Pump down the unit (see "22.4 Pump down of unit" p. 84).
14. Charge unit as described in this Manual (see "22.6 Charging of refrigerant" p. 85).
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