Hot Gas Valve - Hoshizaki KM-100A Service Manual

5. HOT GAS VALVE

To ensure optimum performance, use a copper tube of the same diameter
and length for replacement of the hot gas circuit.
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) Disconnect the Hot Gas Valve leads.
5) Remove the screw and the Solenoid Coil.
6) Remove the valve and Drier using brazing equipment.
7) Braze the new Hot Gas Valve with nitrogen gas flowing at a pressure of 0.2 - 0.3 bar.
Hot Gas Valve
CAUTION
IMPORTANT
Fig. 4
39