GR4000 Installation Guide Version 1.00 - Preliminary
520-10-014-20X
153
(1) Detachment of a fan unit
Step 1
Loosen the screws of a front panel attached to the fan unit targeted for
replacement, and remove this front panel from the fan unit.
Figure 5.3-7
Front panel removed from a fan unit
Step 2
Unlock the fan unit by pushing down the lever towards the direction
indicated in Figure 5.2-8 below, and pull the lever towards you so that the fan unit will
come out.
Figure 5.3-8
Fan unit being unloc
ked
Lever
Screws
Front panel
Fan unit targeted for
replacement