Hoshizaki RELIABILITY IS A BEAUTIFUL THING DCM-270BAH-OS - Manual (Page 34)

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9. Removal and Replacement of Float Switch
WARNING
1. Fragile, handle very carefully.
2. If the float switch works poorly because of scale or other foreign matter,
install a filter or softener in the water supply line.
1) Unplug the dispenser and turn off the power supply.
2) Close the water supply line shut-off valve.
3) Remove the panels.
4) Flush water out of the system.
5) Cut the float switch leads at the wire connectors.
6) Turn and unfasten the flanged top, and remove the float switch.
7) Install the new float switch.
8) Assemble the removed parts in the reverse order of which they were removed.
9) Open the water supply line shut-off valve.
10) Plug in the dispenser, turn on the power supply and check that the float switch works
normally.