Dometic 379 CHASSIS User Manual

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Peterbilt 379 Installation Guidelines
Figure 10 - Installing the plenum on the CHEB
Installing the Plenum on the CHEB
Using  a  1/4"  nut  driver,  remove  the  plastic  7"  
(or  5")  oval  hose  adaptor.  Find  the  4"  x  4"  x  4"  
(or 4" x 4") distribution plenum. Reinstall the screws 
into the new plenum (Fig. 10).
IMPORTANT! 
Refer  to  the  Dometic  installation  manual 
for  details  in  connecting  ductwork  to  the 
discharge grills.