TX300 S7 / RX350 S7 Upgrade and Maintenance Manual 99
Basic hardware procedures
Figure 34: Mounting the system air duct (B)
Ê Ensure that the two centering bolts on the rear fan holder properly engage 
with the center holes on the air duct (see close-ups).
Ê Ensure that the locking latch (L) on the air duct has properly engaged.
L