Replacing The Bad Mark Sensor; Sensor Assembly; Adjusting The Sensor Height - JUKI KE-1070 Maintenance Manual

3-2. Replacing the Bad Mark Sensor

3-2-1. Sensor Assembly

Nut
BM holder
M3 6 SEMS
cap ( 2)
Washer
Nut
Fiber lens
Secure the fiber with the nut and washer supplied with the fiber. After the fiber is secured as
illustrated in the figure above, mount the zoom lens.

3-2-2. Adjusting the Sensor Height

Move the bad mark sensor to a point above the calibration
block. Loosen the SEMS cap bolts at two places and move the
BM lens holder so that the distance between the surface of the
bad mark sensor and the top surface of the calibration block
becomes 28 mm. When the specified distance is reached,
+05
0
secure the bad mark sensor with SEMS cap bolts.
After the bad mark sensor has been mounted, input a bad
mark sensor offset of the MS parameters. (For details about
how to input MS parameters, see "MS Parameters".)
CAUTION
Maintenance Guide
Figure 3-2-1 Replacing the Bad Mark Sensor
To prevent personal injury, do not put your hand inside the machine
or your face or head close to the machine during operation of the
HOD.
HMS bracket
SEMS cap
3-2
KE-1070/2070
mounting
position
KE-2080
mounting
position
BM lens holder
CAL block top
surface