Hoshizaki KM-901MAH 用户手册

58

Depending on local water conditions, scale may build up on the float switch. Scale on 
the switch can cause the float to stick. In this case, the float 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 flush tube from the top of the float switch, then 

remove the float switch assembly and remove the float switch assembly and remove 
the rubber boot from the bottom of the float switch assembly. See Fig. 3.

5) Remove the retainer rod from the bottom of the float switch housing, then remove the 

float. Be careful not to bend the retainer rod excessively when removing it.

6) Wipe down the float switch housing, shaft, float, 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 float switch assembly and replace it and the rubber boot in their 

correct positions. Reconnect the vent tube and the flush tube.

8) Move the control switch to the "ICE" position.
9) Replace the front panel in its correct position.

Float

Float Switch 
Housing

Rubber Boot 
and Hose

Retainer Rod

Flush 

Vent 

Shaft