Removal And Replacement Of Water Regulating Valve - Water-Cooled Model Only - Hoshizaki KM-1800SWH/3 Service Manual

6) Install the new spray tubes, and replace the removed parts in the reverse order of
which they were removed.
7) Replace the panels in their correct positions.
8) Turn on the power supply.
M. Removal and Replacement of Water Regulating Valve –
Water-Cooled Model Only
Always install a new drier every time the sealed refrigeration system is opened.
Do not replace the drier until after all other repair or replacement has been
made.
1) Turn off the power supply.
) Close the water supply line shut-off valve.
3) Remove the panels.
4) Recover the refrigerant and store it in an approved container.
5) Disconnect the capillary tube at the condenser outlet.
6) Disconnect the flare-connections of the valve.
7) Remove the screws and the valve from the bracket.
8) Install the new valve.
9) Remove the drier, then place the new drier in position.
10) Braze all fittings while purging with nitrogen gas flowing at a pressure of 3 to 4 PSIG.
11) Check for leaks using nitrogen gas (140 PSIG) and soap bubbles.
1) Evacuate the system, and charge it with refrigerant. See the nameplate for the
required refrigerant charge.
13) Connect the flare-connections.
14) Open the water supply line shut-off valve.
15) Check for water leaks.
16) Replace the panels in their correct positions.
17) Turn on the power supply.
IMPORTANT
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