GE PSH23PGR Series, Technical Service Manual

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5. Reinsert the thermistor into the aluminum
block on the rear of the new fresh food
evaporator.
6. Attach the evaporator to the fresh food liner
using the original screws. Ensure that drain
pan is properly positioned. Install a new
Styrofoam block into the hole of the mullion.
Attach foam tubes to the evaporator inlet/
outlet tubes using wire tie provided.
7. Remove the old drier by cutting the condenser
loop as close as possible to the drier. Install
the new drier assembly (make sure there is
suffi cient space between the tubing). Install
the process tube on the compressor.
8. Evacuate and charge the system. Use original
factory charge quantity of R-134a. (See
Evacuation and Charging Procedure
.)
9. Replace all component parts in both the
freezer and the fresh food compartments.
10. Reinstall the rear access cover.
Accumulator
The accumulator collects any liquid refrigerant
left in the evaporator before it enters the
suction line.
The liquid refrigerant pools in the bottom
of the accumulator until it is drawn into the
compressor as a vapor.
The accumulator comes as a part of the
freezer evaporator. It is not available
separately.
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Check Valve
A nylon piston inside the check valve fl oats
back and forth, depending upon refrigerant
fl ow.
The check valve prevents refrigerant from
fl owing back into the freezer evaporator.
When the main control rotates the 3-way
valve for fresh food only cooling, the check
valve will prevent refrigerant from fl owing
in the freezer evaporator (refrigerant will
naturally fl ow to the coldest area).
The check valve is only available with a new
freezer evaporator.
Caution: Do not attempt to replace only the
check valve. The nylon piston in the check valve
is extremely heat sensitive.
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Check Valve