Hoshizaki F-500BAJ Service Manual page 41

1. Upper Bearing Wear Check
To ensure that the bearing inside the extruding head does not exceed the wear tolerance
of .02", follow the instructions below.
1) Remove the front panel. Move the power switch to the "OFF" position, then unplug the
appliance (F-300BAJ) or turn off the power supply (F-500BAJ).
2) Remove the top and side panels.
3) Remove the strap connecting the spout to the chute assembly, then remove the spout.
4) Remove the bolt (if applicable) or cutter from the auger and lift off the cutter and washer
(if applicable).
5) Replace the bolt in the auger
(if applicable). See Fig. 6. Move
the auger towards you and then try
to insert a .02" 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.
6) Replace the washer (if applicable), cutter, and cutter bolt (if applicable).
7) Replace the spout.
8) Replace the top and side panels in their correct positions.
9) Move the power switch to the "ON" position.
10) Replace the front panel in its correct position, then plug the appliance into the electrical
outlet (F-300BAJ) or turn on the power supply (F-500BAJ).
2. Removal and Replacement of Cutter
1) Remove the front panel. Move the power switch to the "OFF" position, then unplug the
appliance from the electrical outlet (F-300BAJ) or turn off the power supply (F-500BAJ).
2) Remove the top and side panels.
3) Remove the strap connecting the spout to the chute assembly, then remove the spout.
4) Remove the bolt (if applicable) or cutter and lift off the cutter.
5) Install the new cutter. Replace the bolt (if applicable).
.02" Round Stock
or Pin Gauge
41
Cutter
Auger
Extruding
Head
Fig. 6