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ELECTRO FREEZE Arctic Swirl Model HDM75A
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184915
H.C. Duke & Son, Inc.
15
6.7
Speed Control Replacement
(Electronic Circuit Board)
6.8
Potentiometer Replacement
(part of speed control unit)
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 (13)
holding the old control to the base (24).
Remove the old control (42).
4. Install new control (42) and
secure with three screws (13).
5. Reverse the above steps to
reassemble.
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 H.C. Duke &
Son, Inc. Service Department.
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 (38) and potenti-
ometer (41) to the front of the blender
and remove knob and the old potentiom-
eter (41).
3. Install new potentiometer (41)
and knob (38) into front panel of blender
and secure with nut and two set screws.
4. Reverse the above steps to
reassemble.
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 (40)
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 Dia-
gram, 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.