Hoshizaki DCM 300BAH(-OS) Ice Maker User Manual


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33
2. Float Switch Cleaning
Depending on local water conditions, scale may build up on F/S. Scale on F/S can cause
inconsistent operation of UF/S and LF/S. In this case, both UF/S and LF/S should be
cleaned and checked.
1) Move the control switch to the "OFF" position.
2) Remove the front panel, then move the power switch to the "OFF" position.
3) Turn off the power supply.
4) Remove F/S assembly from the reservoir cover. See Fig. 1.
5) Wipe down F/S assembly with a mixture of 1 part Hoshizaki "Scale Away" and 25 parts
warm water. Rinse the assembly thoroughly with clean water.
6)Whilenotnecessary,theoatscanberemovedfromtheshaftduringcleaning.Ifyou
removethem,notethattheblueoatisontop(UF/S)andthewhiteoatisonbottom
(LF/S).Theoatsmustbeinstalledwiththemagnetsinsidethemtowardsthetopof
theswitch.SeeFig.1.InstallingtheoatsupsidedownwillaffectthetimingofF/S
operation.
7) Rinse F/S assembly thoroughly with clean water and replace in its correct position.
8) Move the power switch to the "ON" position.
9) Replace the front panel in its correct position.
10) Turn on the power supply.
11) Move the control switch to the "ICE" position to start the automatic icemaking process.
Legend: F/S–oatswitch;GM–gear motor; LF/S–loweroatswitch; UF/S–upperoatswitch
Red (upper)
Black (common)
Dark Blue (lower)
Upper Float (blue)
Magnet (towards top)
Magnet (towards top)
Lower Float (white)
Plastic Retainer Clip
Spring Retainer Clip
Reservoir
Reservoir Cover
Float Switch Assembly
Fig. 1
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