Maintenance Guide
2-1
To prevent any trouble caused by accidental machine start, always
shut-down the power before starting the maintenance and
adjustment work.
[2] HEAD UNIT
2-1. Replacing and Adjusting the Head
2-1-1. LNC Head
Figure 2-1-1 Figure 2-1-2
(1) Turn OFF the compressed air to the machine main
unit.
(2) Detach the head top cover. (4 mounting screws)
(3) Disconnect the ejector solenoid valve cable and
vacuum sensor cable from the head main board.
(4) Disconnect the I4 and I8 air tubes from the ejector.
(5) Detach the ejector bracket. (4 mounting screws)
(6) Disconnect the Zș-motor cables from the servo
amplifier board.
(7) Detach the Z sensor bracket from the head.
(8) Disconnect the HMS relay connector.
If the BMR is mounted, disconnect the fiber.
(9) Detach the LNC encoder, 1394 cable and the magnescale amplifier.
(10) Disconnect the I4 air tube from the union Y for the head up cylinder.
(11) Detach the air cylinder. (See also section 2-5.)
Ejector bracket
Head main board
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