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b. Tapping "M" —Install ¾" x 8" long nipple into
¾" tapping located next to front section top
supply tapping — all boiler sizes.
I.
INSTALL FLUSH JACKET (See Figure 5).
1. Remove burner swing door mounting plate. Loosen
the bottom bolt three full turns. Remove (5)
remaining 5/16" bolts securing mounting plate to
boiler sections.
Lift up and remove plate.
2. Install rear jacket panel. Align two dimpled holes
on jacket panel with the cast iron lugs. Secure with
two #10 x 3/8" long self tapping screws.
3. JACKET FRONT PANEL
a. Install black plastic collar extension to jacket
front panels with 7-13/16" dia. heater opening.
Engage two (2) retaining tabs over raw edge of
opening. Provide support behind the panel with
one hand while applying pressure on collar to
snap each tab over edge of opening until all
eight (8) tabs are securing collar.
b. Install front jacket panel. Locate two 3/16"
diameter holes on front panel approximately 16"
up from the bottom of the panel and 4½" in
from each side. Align these holes with the
similarly located cast iron lugs on the front
section. Secure with two #10 x 3/8" long self-
tapping screws.
4. Install jacket left side panel. Fold panel at
perforation keeping insulation inward. Align left
Figure 5: Knockdown Boiler Jacket Assembly
side panel mounting holes with the front and rear
panel holes. Secure with #8 x ½" long sheet metal
screws.
5. Install jacket top panel. Place jacket top panel on
boiler and secure to front, rear and left side panels
with #8 x ½" long sheet metal screws.
6. Install jacket lower right side panel. Align right
side panel mounting holes with front and rear panel
holes. Secure with #8 x ½" long sheet metal screws.
7. Install jacket upper right side access panel. Using
the thumb holes, hold access panel 1" above lower
right side panel. Engage flanges on access panel
with surrounding panels and lower into position
until access panel is resting flush with top panel
and bottom flange is properly locked into position
with lower right side panel.
8. Attach the data labels shipped in the instruction
envelope as follows: (see Figure 5).
a. Place the Rating Label (serialized)
approximately 1/4" below the top edge and
3-1/2" from the right edge of the jacket front
panel as shown. Mark outline of label on jacket
with a pencil. Remove paper backing from
label, realign label with pencil marks and apply
label to jacket by using backing paper to rub
across face of label.
b. Locate the Combination Label (P/N 8142756)
on the front right corner of top panel,
approximately 3/8" from each edge as shown.
Mark the location and apply label in the same
9
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