Instructions / Assembly
System 636 Installation Methods
32
Mechanically Fastened Rain Cap
The Rain Cap must be installed with the supplied Stainless Steel bolt and lock nut, and in accordance with the following instructions and
diagram (Figure 9).
1. Locate the drill location dimple on the outside of the
rain cap. (drill location reference 5 in Figure 9)
2. At this location, drill through the cap and the inner pipe
wall. Ensure that the path of the hole is perpendicular to
the inner pipe NOT the outside of the cap. For the 2" &
3" kit, drill a 3/16" hole, for the 4" kit, a 1/4" hole.
3. Insert the bolt and tighten the lock nut supplied with the
Concentric Vent Kit. Do not over tighten (do NOT use
field supplied screws).
A
B
D
D
C
E
G
1
2
3
4
5
45ยบ
F
Figure 9










