Hitachi GR4000 Series Installation Manual page 212

GR4000 Installation Guide Version 1.00 - Preliminary
(1) Detachment of a network interface board
Step 1
replacement. (As for the detachment of an interface cable, refer to the section 4.10
Connecting Interface Cables to the GR4000.)
Step 2
Screw
Network interface board
Figure 5.7-6 Screws to be removed from the network interface board
Step 3
the figure below.（The network interface board will come out 15mm or so towards
you.）
Lever
Figure 5.7-7 Network interface board unlocked
194
Remove the interface cable from the network interface board targeted for
Loosen the screws of the network interface board.
Open the small levers (not the big ones) towards the direction indicated in
Screw
Lever
520-10-014-20X