Service manual

6-25
Component Teardown
Figure 6-55. Defrost Heater Removal
Disconnect Here
Styrofoam
Aluminum Straps
Defrost Heater
Styrofoam
Defrost Heater Removal
The defrost heater is secured with two aluminum straps
to the bottom tube of the evaporator assembly.
(See Figure 6-55)
To remove the defrost heater:
1. Disconnect power from unit.
2. Remove the adjustable shelves.
3. Remove the freezer drawers and supports.
4. Remove the evaporator cover.
5. Disconnect the defrost heater wire leads from the
wire harness. (See Figure 5-49)
6. Release the aluminum straps securing the defrost
heater to the bottom of the evaporator assembly.
7. Remove the styrofoam insulators from both sides of
the evaporator.
8. Pull defrost heater from evaporator assembly.
Evaporator Removal
The evaporator sets upon the two screw standoffs
mounted to the back wall of the freezer compartment.
Two pieces of styrofoam are pressed between the
evaporator assembly and the sidewalls of the unit,
securing the assembly in position. (See Figure 6-56)
To remove the evaporator:
1. Remove the cantilever shelves.
2. Remove the glass shelf and side rails.
3. Remove wire baskets and slides.
4. Remove the evaporator cover.
5. Remove the styrofoam insulators from both sides of
the evaporator.
6. Remove the defrost thermostat and defrost heater.
7. Recover refrigerant by using EPA approved
recovery system.
8. Remove the filter-drier.
9. Cut suction line about 1” from compressor.
10. Straighten the tubing, remove the foam sleeve, and
carefully feed the heat exchanger through the
cabinet while pulling up on the evaporator.
Figure 6-56. Evaporator Removal
Screw Standoffs
Heat Exchanger
Whenever the sealed system is opened the filter-drier
must be replaced.