Rev. 2.0
Maintenance Guide
2-4
2-1-2. IC Head (KE-3020V)
1) Disconnect the Zθ-motor cables from the servo amplifier board. (Disconnect all connectors
from the 4th stage described in step 7) of section 2-1-1.)
2) Disconnect the T-sensor cables from the head main board (CN27).
3) Disconnect the fibers (2 pcs.) from the point sensor amplifier and detach the amplifier main
unit from the bracket.
4) Disconnect the φ4 air tube.
5) Detach the release bar. (See also section 2-5.)
6) While keeping the IC head by hand so that it does not fall down, remove the M5×20 SEMS
cap bolts (6 pcs.). (Figure 2-1-7)
7) Raise the IC head so that it is not in contact with other components, and then detach it.
8) Reassemble the components in the reverse order of disassembly.
∗ Apply Loctite 242 to the head mounting screws (6 pcs.) and tighten them with a
tightening torque of 7.0 N⋅m during assembly
9) After the head has been replaced, it is necessary to input the MS parameters again. For
details about input items, see section 2-8.
Point sensor amplifier
M5×20 SEMS cap bolts (6 pcs.)
θ-motor cables
φ4 air tube
Z-motor cables
T-sensor cable
To the head main
board (CN27)
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