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c.
Slide the sensor out of the base frame, being care
ful not to damage the encoder (see Figure 4-10).
d.
Remove the heat-shrinkable tubing from the sensor
connections and unsolder the wires.
Use the following procedure to replace the optical tachom
eter sensor.
a.
Reverse the
screw.
b.
Slide the sensor into the channel in the base frame
until the gap between the spindle and the sensor is
.008 to .040
4-10).
c.
Replace the collet assembly.
d.
Tighten the
Figure 4-10
4.4.7
Sensor Cable Assembly (LED Assembly and Index Sensor)
Removal and Replacement
The LED assembly and index sensors are replaced as a sensor
cable assembly.
Use
the
following
assembly.
a. Remove the lever plate by removing the four screws
that fasten it to the two lever hinges (see Figure
4-11.
removal procedure;
inches
(0.2
to 1.0
screw.
Removing and Replacing the Optical
Tachometer Sensor
procedure
to replace
4-11
do not tighten
mm)
(see Figure
the sensor
the
cable
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