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Installation (Vent-Air Intake System Installation) continued-
Figure 13
11. From inside the building, slide the backing plate over the five (5) inch
(12.7 cm) diameter telescopic tube until it is flush with the wall. Adjust
the length of the five (5) inch (12.7 cm) diameter telescopic tube and
insert the end into the flared end of the five (5) inch (12.7 cm) diameter
elbow one (1) inch (2.5 cm) (or until seated). Drill three (3) 1/8 inch
diameter holes, 120
o
apart, through the five (5) inch (12.7 cm) diameter
elbow into the five (5) inch (12.7 cm) diameter telescopic tube and
through the tubes where the small and large sections overlap. Fasten
with three (3) #8 sheet metal screws (supplied). Using the supplied
special RTV silicone sealant, apply a sufficient amount to seal all joints
(See Figure 14).
Figure 14
INTERNET VERSION FOR REFERENCE ONLY