Hoshizaki KMD-460MAJ Service Manual page 27

21) Move the control switch to the "ICE" position.
22) Replace the front panel in its correct position.
23) Turn on the power supply to start the automatic icemaking process.
Legend: CB–control board; F/S–float switch
2. Float Switch Cleaning
Depending on local water conditions, scale may build up on F/S. Scale can cause F/S to
stick. In this case, F/S should be cleaned.
1) Turn off the power supply.
2) Remove the front panel.
3) Place the control switch in the "SERVICE" position. Then place the service switch in the
"DRAIN" position.
4) Replace the front panel in its correct position, then turn on the power supply for
2 minutes.
5) Turn off the power supply.
6) Remove the front, top, and right side panels, then move the control switch to the "OFF"
position.
7) Disconnect the vent tube and the flush tube from the top of F/S housing, then remove
F/S assembly. Remove the rubber boot from the bottom of F/S assembly. See Fig. 3.
8) Remove the retainer rod from the bottom of F/S assembly, then remove the float. Be
careful not to bend the retainer rod excessively when removing it.
9) Wipe down F/S assembly's housing, shaft, float, and retainer rod with a mixture of 1 part
Hoshizaki "Scale Away" and 25 parts warm water. Clean the inside of the rubber boot
and hose with cleaning solution. Rinse the parts thoroughly with clean water.
10) Reassemble F/S assembly and replace
it and the rubber boot in their correct
positions. Reconnect the vent tube and the
flush tube.
11) Replace the right side and top panels in
their correct positions.
12) Move the control switch to the "ICE"
position.
13) Replace the front panel in its correct
position.
14) Turn on the power supply to start the
automatic icemaking process.
Legend: CB–control board; F/S–float switch
Flush Tube
Fig. 3
Rubber Boot
and Hose
27
Vent Tube
Shaft
Float Switch
Housing
Float
Retainer Rod