Drier - Hoshizaki FM-170AFE Service Manual

4. DRIER

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.
2) Remove the Top Panel, the Front Panel (Left) and the Left Side Panel.
3) Recover the refrigerant and store it in a proper container, if required by an applicable law.
4) Remove the Drier using brazing equipment.
5) Install the new Drier with the arrow on the Drier in the direction of the refrigerant flow. Use
nitrogen gas at the pressure of 0.2 - 0.3 bar when brazing the tubings.
6) Check for leaks using nitrogen gas (10 bar) and soap bubbles.
7) Evacuate the system, and charge it with refrigerant. See the Nameplate for the required
refrigerant charge.
8) Refit the panels in their correct position.
9) Plug in the icemaker.
IMPORTANT
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