MODELS: WD-73640 / WD-73740 / WD-73840 / WD-73C11 / WD-73CA1 /
Duct Interior Components
Duct Interior Components are shown below.
Notes:
When replacing the Optical Engine, transfer all Duct and Duct Interior Components from the old Engine to the
new Engine.
The Exhaust Fan must be installed so the Label is facing inside the Duct.
The Sirocco Fan must be installed so the Label is facing up with the Flanges aligned onto the Guide Pins.
Sirocco Fan Flanges
Align Onto Guide Pins
WD-82740 / WD-82840 / WD-82CB1 / WD-92840
SIROCCO FAN
(Label Facing Up)
Page 12
(Label Facing In)
EXHAUST FAN
PWB-LAMP DOOR SW