Replacing The Z-Sensor; Lnc Head - JUKI KE-1070 Maintenance Manual

2-3. Replacing the Z-Sensor

After the Z-sensor has been replaced, perform the home position return to check that it functions
correctly.
After the home position return has been completed, it is necessary to input the MS parameters
related to the Z-axis again.
(For details about input items, see section 2-9.)

2-3-1. LNC Head

(1) Remove the mounting screws
(2) Cut the tie-up bands binding the Z-sensor cable and replace the Z-sensor.
(3) Reassemble the components in the reverse order of disassembly.
(4) Check following the procedure below and make adjustments if necessary.
<Procedure>
Measure the clearance between the Z-sensor and Z-sensor dog. (Dimension A in the
figure at right)
Move the Z-sensor dog up and down to check that the values measured at the upper and
lower positions are within 1.4
If the values are out of the specification range, loosen the Z-sensor bracket mounting
screws and adjust the Z-sensor position.
Maintenance Guide
(4 pcs.) of the Z-sensor bracket and detach the bracket.
Figure 2-3-1
0.2 mm.
2-12