DA98A AC Servo Drive Unit
User Manual
2.3 Servo motor installation
z Motor shaft or encoder hammering is impermissible.
z Do not drag the motor shaft, outlet wires or encoder.
z Motor shaft cannot be overloaded, otherwise the motor may be
damaged.
z The motor must be secured firmly and there should be measures
against loose.
Note
1）Installation environment
（1） Guard
GSK SJT series are not employed with waterproof device, so prevent liquid from
splashing onto the motor and oil or water from entering into the motor along its lead
wires and shaft.
〖Note〗 Please make a mark in order if waterproof servo motor is needed.
（2） Temperature and humidity
Environmental temperature should be kept in -10～+40 (no icing)℃ . Measures of
forced heat radiation should be done if there is little space or equipment emitting
heat around when the motor’s temperature rises owing to long-term run.
The environmental humidity should be no more than 90%RH and there is no
condensation around.
（3） Vibration
The servo motor should be fixed in a place away from vibration and its vibration
should be less than 0.5G（4.9m/s
2
）.
2）Installation method
（1） Installation type
SJT series motors are installed by flange installation type and it may be installed in
every direction.
（2） Installation cautions：
z Do not hammer the motor or its shaft to prevent the encoder from damaging. Helical
tools should be employed to connect or disconnect the parts.
z SJT series motor cannot be loaded with heavy axial, radial loading. Flexible shaft
coupling is recommended to connect the load.
z Anti-loose washer should be employed to secure the motor from loose.
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