Bellfires® Spider Damper
34
Now, go back inside to the BMR firebox. Take the "L" bracket (Part #23)
and place it at wall of firebox (26-1) about 20" from hearth and no less
than 3" from outside opening. With a marker, mark the two openings of
the “L” bracket onto the side of the firebox. (26-1) Be sure to wear your
safety glasses. Using a masonry drill bit, drill two
4
” inch holes into fire-
box on the marks you made. Attach "L" bracket with hammer driver.
(Part #24) (26-2). Close damper by pulling cable until slight tension is
felt. (26-3).
Cut stainless steel wire about 1
2
inch lower than the horizontal bar of
bracket. (26-4).
Take opposite end to ring of stainless steel chain and slide it through
bracket from bottom to top. Slide end of cable through first link of sash
chain (Part # 25)(26-5) and through clamp (Part #26). Attach to cable by
squeezing with pliers. At this time damper should remain closed.
Position clamp and be sure that first link of chain is 1
2
inches over the
horizontal of bracket. After the attach clamp is secure against cable your
Spider Drop-in Damper is ready to be used.
26-2
26-3
26-4
26-5
Hearth
20”
3”
26-1
1 ”
Stainless steel clamp
Summary of Contents for BM 21
Page 1: ...BM Models BM 21 BM 25 BM 28 BMR Models BM 21R BM 25R BM 28R Bellfires...
Page 11: ...Bellfires BM BR 11...
Page 38: ......