Removal And Replacement Of Evaporator - Hoshizaki KM-1300SWH-E Service Manual

13) Replace the panels in their correct positions.
14) If the unit is equipped with a plug, plug it in. Turn on the power supply.

7. REMOVAL AND REPLACEMENT OF EVAPORATOR

Always install a new Drier every time the sealed refrigeration system is
opened. Do not replace the Drier until after all other repairs or replace-
ments have been made.
1) Turn off the power supply. If the unit is equipped with a plug, unplug it.
2) Remove the panels and the Top Insulation over the Evaporator.
3) Recover the refrigerant and store it in an approved container.
4) Remove the Spray Tubes and the Insulations at the "U" shaped notch where the
refrigeration tubings go through the chassis.
5) Remove the Insulation Tube, and disconnect the Evaporator Inlet Tubing at the Tee
next to the Expansion Valve.
6) Lift up the Evaporator, and disconnect the Evaporator Outlet Tubing.
7) Install the new Evaporator.
8) Install the new Drier.
9) Check for leaks using nitrogen gas at 140 PSIG (9.84 Kg-f/cm
10) Evacuate the system, and charge it with refrigerant. For air-cooled and water-cooled
models see the Nameplate for the required refrigerant charge. For remote air-cooled
models, see the Charge Label in the machine compartment.
11) Replace the removed parts in the reverse order of which they were removed.
12) Replace the Top Insulation and the panels in their correct positions.
13) Turn on the power supply.
IMPORTANT
35
2 ) and soap bubbles.