Remove an Air Duct

Replace and secure the air duct for removal by loosening the two brackets and the Phillips Number 2 thumb screws on both sides of the air duct.
Figure 1 Remove air duct

Legend

1 Screws that secure air duct

2 Air duct

Note: The brackets that secure the air duct are labeled L (left) and R (right). The left bracket slides forward and the right bracket slides back when facing the Controller in the service position.
Lift up the air duct from the Controller chassis and set it aside.
The following figure shows a Controller air duct:
Figure 2 Air duct