Main Switch; Replacing The Freezer Or Fresh Food Evaporator - GE Profile PSB42LSRBV Technical Service Manual

Replacing the Freezer or Fresh Food
Evaporator
The freezer evaporator can be replaced as a
complete unit, including the defrost components
and fan assembly, or it can be replaced as an
individual component.
The fresh food evaporator can be replaced as
a complete unit or as an assembly consisting of
the evaporator and defrost heater (the fresh food
defrost heater is not available separately).
To replace the freezer or fresh food
evaporator:
1. Access the specifi c evaporator as described
in
Fresh Food Evaporator Assembly
Evaporator Assembly
2. In the machine compartment, remove the
screws that hold the main switch in place.
Move the main switch out of the way to
provide better access to the evaporator
tubing.
Evaporator Tubing
3. Remove the condenser fan assembly from the
compartment. (See
4. Remove the 5 Phillips-head screws holding
the metal cover over the Styrofoam block (see
photo below). Remove the metal cover.
5. Remove the Styrofoam block from the base of
the evaporator tubing.
Metal Cover
Note: Adhesive may be holding the Styrofoam
block in place after the metal cover is removed.
or
Freezer
.

Main Switch

.)
Fans
Styrofoam Block
6. Carefully cut and remove the insulation on the
suction line and capillary tubing to expose the
solder joints.
Capillary Tubing
Suction Line
Note: Save the insulation to rewrap the
refrigerant tubing after brazing.
7. Recover the refrigerant. (See
Charging Procedures
8. Disconnect the suction line and capillary of
the specifi c evaporator to be replaced. Note
the position of the tubing within the machine
compartment. Pull the evaporator tubing down
from the cabinet and remove the evaporator.
9. Install the new evaporator and carefully bend
the tubing to the correct position. Braze the
suction line and capillary tubing.
10. Replace the drier (part # WR86X93) and
install a process valve (part # WJ56X61) at
the compressor.
11. Reinstall the remaining components within
the cabinet section while the braze joints are
cooling.
12. Charge the system with the exact amount of
refrigerant (8.11 oz.) specifi ed on the rating
plate
13. Check for refrigerant leaks at all joints.
14. Reinstall insulation around the tubing. Wrap
with tape to provide a good airtight seal.
15. Reinstall Styrofoam block and metal cover.
16. Check refrigerator for proper operation.
– 51 –
Evacuation and
).