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2. Float Switch Cleaning
Depending on local water conditions, scale may build up on the oat switch. Scale on
the switch can cause the oat to stick. In this case, the oat switch should be cleaned.
) Turn off the power supply.
) Remove the front panel, then move the control switch to the "OFF" position.
3) Remove the base cover, then disconnect one end of the pump tubing to drain the water
tank. See Fig. . After the water tank has drained, reconnect the pump tubing.
4) Disconnect the vent tube and the ush tube from the top of the oat switch, then
remove the oat switch assembly and remove the oat switch assembly and remove
the rubber boot from the bottom of the oat switch assembly. See Fig. 3.
5) Remove the retainer rod from the bottom of the oat switch housing, then remove the
oat. Be careful not to bend the retainer rod excessively when removing it.
6) Wipe down the oat switch housing, shaft, oat, and retainer rod with a mixture of
part of recommended cleaner Hoshizaki "Scale Away" or "LIME-A-WAY" (Economics
Laboratory, Inc.) and 5 parts of warm water. Clean the inside of the rubber boot and
hose with cleaning solution. Rinse the parts thoroughly with clean water.
7) Reassemble the oat switch assembly and replace it and the rubber boot in their
correct positions. Reconnect the vent tube and the ush tube.
8) Move the control switch to the "ICE" position.
9) Replace the front panel in its correct position.
Fig. 3
Float
Float Switch
Housing
Rubber Boot
and Hose
Retainer Rod
Flush
Vent
Shaft