Removal And Replacement Of Pressure Switch - Hoshizaki DCM-240BAF Service Manual

13) Cover the Expansion Valve Bulb tightly with the insulation.
14) Place the new set of Expansion Valve Covers in position.
15) Replace the panels in their correct positions.
16) Plug in the dispenser and turn on the power supply.

6. REMOVAL AND REPLACEMENT OF PRESSURE SWITCH

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 and unplug the dispenser.
2) Remove the panels.
3) Recover the refrigerant and store it in an approved container.
4) Remove the Control Box Cover and disconnect the terminals.
5) Remove the Pressure Switch using brazing equipment.
6) Braze the new Pressure Switch with nitrogen gas flowing at the pressure of 3-4 PSIG.
7) Install the new Drier.
8) Check for leaks using nitrogen gas (140 PSIG) and soap bubbles.
9) Evacuate the system, and charge it with refrigerant. See the Nameplate for the
required refrigerant charge.
10) Replace the terminals and the Control Box Cover in their correct positions.
11) Replace the panels in their correct positions.
12) Plug in the dispenser and turn on the power supply.
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IMPORTANT
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