Hoshizaki HFE-127MA-CHD, Service Manual

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[e] DEFROST HEATER AND THERMAL FUSE
1) Unplug the unit.
2) Disconnect the defrost heater at the
back of the refrigeration unit. The defrost
heater and thermal fuse are connected in
series and interchangeable without any
operational problems.
3) Remove the putty from the wire hole in
the refrigeration unit base, and put the
connector through the hole.
4) Remove the air duct. See “3. [a] AIR
DUCT”.
5) Remove the supports at both ends of the
evaporator bottom by loosening the screws
at the front and unhooking the backside.
6) Remove the defrost heater from the evaporator by pulling each U bend from the front to
the back.
7) Unscrew and remove the thermal fuse from the evaporator and bracket.
8) Pull out the wire through the hole in the refrigeration unit base.
9) To replace the removed parts, reverse the above procedure.
Note: Locate the defrost heater in the same position as before. Fit the first front line into
the first slot channel, and position the rest according to the U-bend dimensions.
Evaporator
Defrost Heater
Thermal Fuse
Support
Bracket
Front
Fit into the first slot channel