Parker Hannifin Dynaserv G2 - Manual (Page 5)

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Handling Precautions
1. Do not install the motor in reverse direction in such a way that the rotor of the motor is fixed and the stator rotates.
2. Make sure to turn the power off before removing the side panel of the driver to set jumpers, etc. Touching the high
voltage part inside the driver is dangerous.
3. This motor rotates at a high speed and with a high torque. Take the rotation radius into consideration and pay
special attention to the prevention of any dangerous situations that may occur during the operation when a load is
attached to the motor.
4. Make sure to ground the ground terminal to earth.
5. When attached a load to the rotor, make sure to keep a clearance of 1 mm or more between the load and the upper
surface of the motor in order to maintain the surface precision. Furthermore, never push or squeeze an object into
the shaft hole. (See the figure below.)
6. Do not touch the bolts (indicated by the arrow) that fix the
bottom part of the rotor (see the figure to the right). If these bolts
are loosened or tightened, the commutation angle will become
inaccurate, which may result in uneven rotation (this applies only
to the DM series).
7. The motor surface is magnetized; do not place things that can be affected by magnetism close to it.
8. The motor part shown in the figure to the right includes a
magnetic resolver. Strong force, impacts, or magnetic fields
should not be applied to the motor part (this applies only to the
DR series).
9. Make sure to use load attachment screws that are shorter than the
effective depth of the thread in the motor part. Depending on the
model, if a screw exceeds the effective thread depth, the function
may be impaired (this applies only to the DR series).
10. The motor is neither dust-, drip- nor water (oil)-proof; the motor should be installed in carefully chosen
environments.
11. If the motor will be oscillating or rotating at small angles (50 ° or less), it should be allowed to oscillate at an angle
of 90 ° or more for approximately 10 times (running-in operation) each time it has made 10,000 small-angle
oscillations in order to prevent poor lubrication of the bearing.
12. In order for the motor and driver to be compatible with each other, they must be of the same model.
Rotor
Attached part
1mm or more
DM series motor
When feeding an object through the shaft
hole, make sure to secure a clearance of
at least 1mm on one side.
Shaft hole
DR series motor
Bottom cap
Magnetic
resolver