Additional Installation/Replacement Of Basic Control Units - Hitachi GR4000 Series Installation Manual

GR4000 Installation Guide Version 1.00 - Preliminary
5.5

Additional Installation/Replacement of Basic Control Units

The same method of installing/replacing a basic control unit is applied for all the
GR4000 models.
You can install or replace a basic control unit without powering off the device.
When installing or replacing a basic control unit into or from the device while powered
on, you must input the required command from an operation terminal. As for the
commend to be input, refer to the GR4000 Operations Guide.
WARNING: THE REPLACEMENT OF A BASIC CONTROL UNIT SHOULD BE DONE BY A
!
*
(1) Detachment of a basic control unit
Step 1
Screws
Basic control unit
Figure 5.5-1 Screws to be removed from the basic control unit
180
TRAINED ENGINEER OR A QUALIFIED MAINTENANCE PERSON.
Caution: Do not touch the electronic components on the solder side of a basic control
unit. To avoid damage, always store these components in approved anti-static
bags.
NOTE: When installing another power supply unit, remove the dummy panel.
Store the removed dummy panel safely, so that it doesn't get bent or lost.
Loosen the screws of the basic control unit.
Screws
520-10-014-20X