Mitsubishi Electric Melservo MR-J3- 350B4, Instruction Manual

Page: 310 / 408

13 - 13
13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
13.1.7 Removal and reinstallation of the terminal block cover
CAUTION
Before removing or installing the front cover, turn off the power and wait for 20
minutes or more until the charge lamp turns off. Then, confirm that the voltage
between L and L is safe with a voltage tester and others. Otherwise, an
electric shock may occur. In addition, always confirm from the front of the servo
amplifier whether the charge lamp is off or not.
(1) MR-J3-CR55K(4), MR-J3-DU30KB, MR-J3-DU37KB, MR-J3-DU45KB4 or MR-J3-DU55KB4
Here, the method for removing and reinstalling the terminal block cover using the figure of converter unit as
an example. For a drive unit, the shape of the main unit is different. However, the removal and reinstallation
of the terminal block can be performed in the same procedure.
(a) How to remove the terminal block cover
D)
A)
C)
B)
Remove the installation screws (A), B), C), D)) on
the four corners of the terminal block cover.
Pull the terminal block cover toward you and
remove it.