28
Assembly Instructions - 72” (cont.)
The damper support pair at the front of the rebox
opening will be set into the 4” x 6” steel angle from Step 7
(Figure 56).
Since the inside corner of the steel angle is rounded, it
is a good idea to round the bottom front corner of the damper
support to match the steel.
With the bevel cut ends of the damper support pairs
meeting at the middle of the rebox, the bevel joint should be
an even and good t. The damper supports overall installed
length should be 85 1/2”.
Notes:
A. Do not join the damper supports with a butt joint. The bevel
joint discussed above is the REQUIRED type of joint for the
damper support.
B. The bevel angle of 15˚ is a convenient angle and is given as a
suggested angle. The angle of bevel could be
different just so the angles cut in the adjoining damper supports
join.
C. The angle of the bevel cut could be greater just so the bevel
cut in each damper support joining pair is the same angle in
order to have a good t at the joint.
Step 11:
Damper support (left), part M64L and damper support
(right), part M64R, one each required. To be used “as is”.
Set the damper support (left) and the damper support
(right) into place on top of the rebox side walls in between the
front and rear damper supports.
Each of the damper supports, right and left, is designed
specically for its own side of the unit. When properly set, each
damper plate side piece sits ush with the outside face of the
rebox side wall. The interior bottom edge of the damper sup-
port end pieces align with the angle of the interior of the rebox
side wall (Figures 56, 57).
For the MAGNUM Model 72 the smoke dome com-
ponents stack two tiers high giving a smoke dome of approxi-
mately 32 inches in height.
Step 12: Smoke dome top large, part 13, six required, to be
“eld modied”; smoke dome top medium, part 11, two re-
quired, to be “eld modied”; smoke dome top sloping, part 34,
four required, to be used “as is”.
Begin building the MAGNUM model 72 replace
smoke dome by cutting the haunch off of one end of each of the
four smoke dome top large components, part 13. After cutting
the bottom length of the piece will be 49 3/4”.
When cutting the haunch off be sure to follow the
angle of the sloping end in order to get the proper slope angle to
the cut (Figure 58).
FIGURE 55
FIGURE 56
FIGURE 57
FIGURE 58
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