Expansion Valve - Hoshizaki KM-100A Service Manual

Always protect the valve body by using a damp cloth to prevent the valve
from overheating. Do not braze with the valve body exceeding 135°C.
8) Install the new Drier (see "4. DRIER").
9) Check for leaks using nitrogen gas (10 bar) and soap bubbles.
10) Evacuate the system and charge it with refrigerant (see "1. [c] EVACUATION AND
RECHARGE").
11) Attach the Solenoid Coil to the valve body, and secure it with the screw.
12) Connect the lead wires.
13) Refit the panels in their correct positions.
14) Plug in the icemaker or connect the power source.

6. EXPANSION VALVE

The water in the refrigeration circuit may exceed the capacity of the Drier
and freeze in the Expansion Valve. Always install a new Drier every time
the sealed refrigeration system is opened. Do not replace the Drier until
after all other repair or replacement has been made.
1) Unplug the icemaker or disconnect the power source.
2) Remove the Top Panel, Rear Panel and Side Panel (R).
3) Recover the refrigerant and store it in a proper container, if required by an applicable
law (see "1. [b] REFRIGERANT RECOVERY").
4) Remove the Expansion Valve using brazing equipment. Protect the Evaporator and
pipes from excessive heat with damp cloths or similar.
5) Remove the Insulation Hose from the Expansion Valve Sensor (Bulb) and remove
the Bulb.
6) Remove the Drier using brazing equipment.
WARNING
IMPORTANT
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