ELECTRO FREEZE Arctic Swirl
®
Model HDM75A-1
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184984
15
6.7
Speed Control Replacement
(Electronic Circuit Board)
NOTE:
A thermal transfer compound
needs to be applied to the back of the
new speed control before installing on
the base.
1.
Repeat steps 1 through 5 of the
Spindle Shaft Replacement,
paragraph 6-1.
2.
Holding the new speed control (42)
next to the old one, REMOVE ONE
WIRE AT A TIME from the old
control and connect to the new
control. (If necessary, refer to
Wiring Diagram, Section 9.)
3.
Remove three screws (14) holding
the old control to the base (24).
Remove the old control (42).
4.
Install new control (42) and secure with
three screws (14).
5.
Reverse the above steps to
reassemble. Test unit for proper
operation.
NOTE:
It may be necessary to calibrate
the new speed control to get the proper
speed at the various speed dial settings.
For instructions, call the Electro Freeze,
Service Department at 309-755-4553 or 800-
755-4545.
6.8 Potentiometer Replacement
(Part of Speed Control Unit)
1.
Repeat steps 1 through 5 of the
Spindle Shaft Replacement,
paragraph 6-1.
2.
Loosen the two set screws and
nut holding the knob (36) and
potentiometer (40) to the front of
the blender and remove the knob
and the old potentiometer (40).
3.
Install the new potentiometer (40)
and knob (36) into the front panel
of the blender and secure with nut
and two set screws.
4.
Identify the new wires for the toggle
switch and connect to switch. Route
wire in guides away from the
moving shaft.
5.
Reverse the above steps to
reassemble. Test unit for proper
operation.
6.9
Three-Position Toggle Switch Replacement
(Selector Switch)
1.
Repeat steps 1 through 5 of the
Spindle Shaft Replacement,
paragraph 6-1.
2.
Hold the new toggle switch (38)
next to the old toggle switch.
Disconnect the three wires from
terminals of old switch and connect
to the new switch in the same
order. (Refer to Wiring Diagram,
Section 9 of this manual.)
3.
Remove nut on front panel of
blender that holds the toggle switch
shaft. Remove switch shield (44)
from front of blender and remove
the old switch.
4.
Install the new switch and switch
shield in place and secure with the
shaft nut.
5.
Reverse the above steps to
reassemble. Test unit for proper
operation.
