Hoshizaki KM-40C-HC Service Manual page 66

Top Rear View with Top and Rear Panels Removed
Wrap this part with a
damp cloth to prevent
overheating
Remove band from bulb
with a screwdriver
Bulb Insulation Hose
Expansion Valve
Expansion valve is brazed at
these two points.
While brazing, remove insulation
hoses from pipes and keep
Bulb
brazing equipment away from
other parts to prevent burning.
62
Remove expansion
valve cover first
Cut ties to make bulb
removable