Removal And Replacement Of Pump Motor; Removal And Replacement Of Fill And Harvest Water Valve - Hoshizaki KMS-1230MLH Service Manual

8) Braze all fittings while purging with nitrogen gas flowing at a pressure of 3 to 4 PSIG.
Always protect the valve body by using a damp cloth to prevent the valve from
overheating. Do not braze with the valve body exceeding 50°F (11°C).
9) Check for leaks using nitrogen gas (140 PSIG) and soap bubbles.
10) Evacuate the system, and charge it with refrigerant. See the nameplate on the
condensing unit for the required refrigerant charge.
11) Cut the leads of the solenoid allowing enough lead length to reconnect using closed
end connectors.
1) Connect the new solenoid leads.
13) Attach the solenoid to the valve body and secure it with a screw.
14) Replace the panels in their correct positions.
15) Turn on the power supply.

4. Removal and Replacement of Pump Motor

1) Turn off the power supply.
) Remove the panels.
3) Drain the water tank by removing the
insulation panel, front frame and suction
hose. (See Fig. 3.)
4) Disconnect the pump suction and
discharge hoses.
5) Unplug the water pump connector.
6) Remove the screws and pump motor
bracket.
7) Remove the pump housing and check the impeller.
8) If the impeller is defective, install a new impeller.
9) Install the new motor or new parts, and replace the removed parts in the reverse order
of which they were removed.
10) Turn on the power supply and check for leaks.
11) Replace the panels in their correct positions.

5. Removal and Replacement of Fill and Harvest Water Valve

1) Turn off the power supply.
) Close the water supply line shut-off valve.
3) Open the water supply line drain valve and let the water supply line drain.
4) Remove the panels.
5) Remove the valve outlet tubing and fitting nut.
CAUTION
47
Suction Hose
Front Frame
Thumbscrew
Fig. 3