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SI1705004E-00=SIGMA-G5SII Service Manual
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4.18. Servo Amplifier Change Procedure
4.18.1. Servo-Amplifier Removal
[Precautions before the work]
Perform the operation taking care not to bend the optical fiber cables.
In order to loosen the setscrews for the servo amplifier main body, prepare a screwdriver
with the bit length of 30cm or more.
(1) Shut down the machine and turn OFF the breaker.
(2) Component Arrangement Locations
H2
– XY Servo Amplifier (Remove the cover under the machine rear).
H1
– XY Servo Amplifier (Remove the cover under the machine front).
(3) When the servo amplifier on the H1 side is to be changed, remove the cover on the
lower section of the machine front. Remove the head section motor amplifier unit.
(4) Disconnect the cables of the servo-amplifier to be removed.
30cm
Fig.D112
Fig.D111
H2-XY Servo Amplifier Arrangement (Rear Side)
H2-XY Servo Amplifier Arrangement (Front Side)