Hoshizaki KM-100A Service Manual page 44

7) Braze in the new Expansion Valve. Protect the body of the valve from excessive
heat, and use nitrogen at a pressure of 0.2 - 0.3 bar when brazing.
8) Install the new Drier (see "4. DRIER").
9) Check for leaks using nitrogen gas (10 bar) and soap bubbles.
10) Evacuate the system and charge it with refrigerant (see "1. [c] EVACUATION AND
RECHARGE").
11) Attach the Bulb to the suction line in position. Be sure to secure it using a wire or
clamp and replace the insulation.
12) Refit the panels in their correct positions.
13) Plug in the icemaker or connect the power source.
Always protect the valve body by using a damp cloth to prevent the valve
from overheating. Do not braze with the valve body exceeding 115°C.
Bulb Insulation Hose
Remove Expansion
Valve Cover first
WARNING
Cut ties to make Bulb
removable
Fig. 5
41
Bulb
Expansion Valve