GE PSH23PGR Series Technical Service Manual page 34

Brazing Shield
FZ
Evaporator
Inlet
Jumper
Fig. 1
11. Loosen the hex-head screws that hold the
evaporator in place. Note locations of the
foam blocks at sides of old evaporator. These
are needed for proper airfl ow. Remove the
foam blocks and save for new evaporator
installation. Remove old evaporator.
Loosen Hex-
Head Screws
Capillary
Tube
Cut
Here
2"
Remove
Screw
Fig. 2
Top of
Accumulator
FF
Evaporator
Jumper
Suctio n
Tube
Heat
Line
Here
Cut
Here
2"
FF
Evaporator
Outlet
– 34
12. Modify replacement evaporator to accept the
5
/ -in. fresh food evaporator jumper.
16
13. Install the new evaporator and tighten all
mounting screws.
14. Connect tubes between top of accumulator
and suction line. Connect tubes between
fresh food evaporator and freezer evaporator
(right side). Insert the capillary tube.
15. Check that the thermal paste is still on the
suction line where it enters the rear wall of the
freezer. If not, apply paste. In addition, apply
thermal paste around epoxy joints on the new
evaporator to prevent the heat from damaging
joint integrity.
16. Protect the freezer fl oor from molten
solder during brazing. Braze suction line to
accumulator on new evaporator. Angle torch
so that fl ame is directed away from rear wall
when brazing.
17. Move the brazing shield behind the capillary
joint and braze the capillary tube.
Modify
Here