Hitachi GR4000 Series Installation Manual page 171

(1) Detachment of a fan unit
Step 1
replacement, and remove this front panel from the fan unit.
Fan unit targeted for
replacement
Front panel
Screws
Figure 5.3-7 Front panel removed from a fan unit
Step 2
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 unlocked
520-10-014-20X
Loosen the screws of a front panel attached to the fan unit targeted for
Unlock the fan unit by pushing down the lever towards the direction
Lever
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