Specifications

Replacing the Motors
1. Unplug unit, turn unit upside down and
remove screws from bottom.
2. Open unit. Note position and color of
wires and cables connected to the logic,
power and display boards.
3. Remove the display board as noted in
steps 3 through 5 under “Replacing the
Display Board.”
4. Remove the logic and power board
assembly as noted in steps 5 through 8
under “Replacing the Power and/or
Logic Boards.” (It is not necessary to
remove the power board or the logic
board from the metal bracket and the
support posts they are mounted to.)
5. Remove the encoder wheel from the
motor which you intend to replace by
loosening the hex screw. (Refer to photo
and exploded view.)
6. Unclip the bundle of wires. If you have a
stirring hot plate proceed with step 7. If
you have a stirrer skip to step 11.
7. Remove the two fiberglass insulated
heating ELEMENT wires from the power
board.
8. Note the lower heating ELEMENT wire
which runs underneath the power
board/logic board assembly. Pull this
element wire free from underneath the
board assembly.
9. Locate the upper THERMOCOUPLE
26
MAINTENANCE AND SERVICING