Hoshizaki DKM500BAH Instruction Manual page 23

4) Remove the front panel and disconnect the connector from the control box.
5) Move the service switch on the control box to the "DRAIN" position, then move the
control switch to the "SERVICE" position.
6) Replace the front panel in its correct position and allow the icemaker to drain for
2 minutes.
7) Remove the front panel and move the control switch to the "OFF" position. Unplug the
icemaker from the electrical outlet.
8) Disconnect the bin control connector. Remove the 3 thumbscrews securing the bin
cover, and remove the bin cover with the bin control attached.
9) In bad or severe water conditions, clean the float switch assembly as described below.
Otherwise, continue to step 10.
a. Remove the 3 screws securing the float switch assembly, then remove the
assembly.
b. 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.
c. Wipe down the float switch housing, shaft, float, and retainer rod with cleaning
solution. Clean the inside of the rubber boot and hose with cleaning solution. Rinse
the parts thoroughly with clean water.
d. Reassemble the float switch assembly and replace it in its correct position. Secure
the float switch assembly with the screws.
10) Pour the cleaning solution into the water tank.
11) Plug the icemaker back in. Move the service switch to the "WASH" position, then move
the control switch to the "SERVICE" position to start the cleaning process. Replace the
front panel in its correct position.
12) After 30 minutes, remove the front panel and move the service switch to the "DRAIN"
position.
13) Replace the front panel in its correct position and allow the icemaker to drain for
2 minutes.
14) Remove the front panel and move the control switch to the "ICE" position.
15) Replace the front panel in its correct position and allow the water tank to fill with water
for 3 minutes.
16) Remove the front panel and move the service switch to the "WASH" position, then move
the control switch to the "SERVICE" position. Replace the front panel in its correct
position.
17) After 5 minutes, remove the front panel and move the service switch to the "DRAIN"
position.
18) Replace the front panel in its correct position and allow the icemaker to drain for
2 minutes.
19) Repeat steps 14 through 18 three more times to rinse thoroughly
20) Remove the front panel and move the control switch to the "OFF" position. Proceed to
"2. Sanitizing Procedure – Icemaker".
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