Hoshizaki Refrigeration Equipment KM-900MAH

Close the Water Supply Line Shut-off Valve

Remove the Valve Outlet Tubing by releasing the Clamp

Remove the Bracket from the unit

Remove the Fitting Nut and Water Valve

Disconnect the Terminals from the Water Valve

Install the new Water Valve, and replace the removed parts in the reverse order of which they were removed

Open the Water Supply Line Shut-off Valve

Recover the refrigerant and store it in an approved container

Remove the insulation and the Expansion Valve Bulb on the suction line

Remove the Expansion Valve Cover

Disconnect the Expansion Valve using brazing equipment

Recover the refrigerant and store it in an approved container

Install the new Drier with the arrow in the direction of the refrigerant flow

Check for leaks using nitrogen gas (140 PSIG) and soap bubbles

Evacuate the system and charge it with refrigerant

Replace the panels in their correct positions

Drain the Water Tank by removing one end of the Pump Tubing

Disconnect the Pump Suction and Discharge Hoses

Remove the screws and the Pump Motor Bracket

Remove the panels and the Top Insulation over the Evaporator

Recover the refrigerant and store it in an approved container

Remove the Spray Tubes and the Insulations at the 'U' shaped notch where the refrigeration tubings go through the molded chassis

Remove the Insulation Tube, and disconnect the Evaporator Inlet Tubing at the Tee next to the Expansion Valve

Lift up the Evaporator, and disconnect the Evaporator Outlet Tubing