Evaporator - Hoshizaki AM-100BAE Service Manual

4. EVAPORATOR

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 Rear Mesh, Door, Top and Front Panels.
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 Water Tank and Water Plate, referring to "IV. 1. CLEANING."
5) Remove the Thermistor Holder and Thermistor from the Evaporator.
6) Disconnect the solder connections on the Evaporator using brazing equipment. Protect
the surrounding components from heat damage.
7) Remove the four screws holding the Evaporator.
8) Install the new Evaporator, and secure it with the four original screws.
9) Remove and replace the Drier (See "3. DRIER").
10) Braze pipes, with nitrogen gas flowing at a pressure of 3 - 4 PSIG.
11) Check for leaks using nitrogen gas (140 PSIG) and soap bubbles.
12) Refit the Thermistor (See "10. THERMISTOR FOR CUBE CONTROL").
13) Evacuate the system and charge it with refrigerant (See "1. [c] EVACUATION AND
RECHARGE").
14) Refit the panels in their correct positions.
15) Plug in the icemaker or connect the power source.
IMPORTANT
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