Hoshizaki 1800ALKE(-N), Service Manual

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7. EVAPORATOR ASSEMBLY
See the exploded view under “III. 3. ICEMAKING MECHANISM”.
1) Push the stop button to drain the water in the evaporator.
2) Disconnect the power source.
3) Remove the panels.
4) Remove the three thumbscrews, and take off the spout from the evaporator.
5) Remove the bin control switch.
6) Remove the spout gasket at the top of the evaporator.
CUTTER
7) Remove the bolt and lift off the cutter.
BELT HEATER
8) Detach the spring, and remove the belt heater.
EXTRUDING HEAD
9) Remove the sealing bolts, and lift off the extruding head.
10) Check the bearing inside the extruding head. If it is worn out or scratched, replace the
bearing.
Note: Replacing the bearing needs a fitting tool. If it is not available, replace the whole
extruding head.
AUGER
11) Lift out the auger. Check the top and bottom areas in contact with the bearings. If the
surface is scratched or pitted, replace the auger. Check the blade edge of the auger. If it
is scratched or worn where it has contacted the evaporator, replace it.
EVAPORATOR
Note: Skip the following steps 12) through 18) when the evaporator does not need
replacement.
12) Recover the refrigerant and store it in a proper container, if required by an applicable law
(See "1. [b] REFRIGERANT RECOVERY").