Upper Bearing Wear Check; Removal And Replacement Of Extruding Head - Hoshizaki CUBELET ICEMAKER/DISPENSER DCM-750BAH Service Manual

1. Upper Bearing Wear Check

To ensure that the bearing inside the extruding head does not exceed the wear
tolerance of .0", follow the instructions below. See Fig. .
) Move the control switch to the "OFF" position, then turn off the power supply. Remove
the front and top panels, then move the power switch to the "OFF" position.
) Remove the front cover of the storage bin. Remove spout B,
then remove spout A and the cutter. See Fig. .
3) Grasp the top of the auger and move
the auger towards you and then try to
insert a .0" round stock or pin gauge in
between the back side of the auger shaft
and the bearing surface. Check several
locations around the auger shaft. If the
gauge goes between the shaft and the
bearing at any point or if the bearing is
scratched or cracked, both the top bearing
in the extruding head and the lower
bearing in the housing should be replaced.
Instructions for removing the extruding
head and housing are located later in this
procedure.
Note: Replacing the bearing requires a bearing press adaptor. If one is not available,
replace the whole extruding head and housing.
4) Replace the cutter, spout A, spout B, and the front cover of the storage bin in their
correct positions.
5) Move the power switch to the "ON" position, then replace the panels in their correct
positions.
6) Turn on the power supply, then move the control switch to the "ICE" position to start the
automatic icemaking process.

2. Removal and Replacement of Extruding Head

) Move the control switch to the "DRAIN" position and drain all of the water from the
evaporator.
) After the water has stopped draining, move the control switch to the "OFF" position,
then turn off the power supply. Remove the front and top panels, then move the power
switch to the "OFF" position.
3) Remove the front cover of the storage bin. Remove spout B, then remove spout A and
the cutter. See Fig. .
4) Remove the apron panel, then remove the left side panel.
5) Remove the extruding head heater, then remove the allen head cap screws and lift off
the extruding head.
6) Place the new extruding head in place and tighten down the allen head cap screws.
7) Replace the extruding head heater and cutter in their correct positions.
5
.0" Round Stock
or Pin Gauge
Auger
Extruding
Head
Fig. 2