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Weil-McLain 80 Boiler For Gas, Light Oil, Gas/Light Oil Fired Burners
6
1. See Figure 10, page 11, for general assembly of flue
collector components.
2. See Figure 11, page 13 for the placement of flue collector
hoods on each model.
3. Prepare mounting holes in boiler rear section.
a. The boiler rear section has tapped holes for mounting
rear flue collector component.
b. Remove any grit from threads inside tapped holes with
clean rag.
1. See Figure 10, page 11 and Figure 11, page 13.
flange surfaces with a clean rag.
hood transition flange.
c. Place the
Figure 10) on the collector hood transition flange.
firmly in place.
rear section, aligning collector hood transition flange
holes with tapped holes in boiler rear section.
e. Insert a 5/16" x 5/8" flanged bolt through the bottom
center hole and finger tighten to hold transition in
place.
f. Install six remaining bolts securing collector hood
transition to rear section.
with the hold-down bolts in the sections.
b. Place the collector hood assembly so its rear flange is
c. Thread flanged nuts onto hold-down bolts and
only.
d. Insert five 5/16" x 5/8" flanged bolts through holes in
collector hood transition and collector hood assembly
rear flange. Thread on nuts and
a. Gradually tighten all bolts and nuts on flue collector
assembly and boiler.
. See
ensure all parts are evenly drawn down, with no gaps
or distortion of parts.
with a clean rag.
securing.
c. Position flue damper assembly against collector hood
transition. Insert a #10 x ½" screw through the top
position.
d. Insert remaining #10 screws into flue damper flange
tighten all screws evenly and securely.
steps 5a through 5d.
12
1. See Figure 10, page 11 and Figure 11, page 13.
c. Place the
holes with tapped holes in boiler rear section.
e. Insert a 5/16" x 5/8" flanged bolt through the bottom center hole and finger
tighten to hold rear flue cap in place.
f. Install six remaining bolts securing rear flue cap to rear section.
holes in collector hood flanges with the hold-down bolts in the sections.
b. Place the collector hood assembly so its rear flange is against the rear flue
b. Thread flanged nuts onto hold-down bolts and
c. Insert five 5/16" x 5/8" flanged bolts through holes in rear flue cap and
collector hood assembly rear flange. Thread on nuts and
a. Gradually tighten all bolts and nuts on flue collector assembly and boiler.
only.
drawn down, with no gaps or distortion of parts.
assembly surfaces with a clean rag.
b. Position
flue location shown in Figure 11, page 13
only.
screws evenly and securely.
, upper right.
above.
flange surface
a. Open flue damper. Visually inspect inside section assembly and flue collector
assembly for any light passing through unsealed areas.
place, or loose bolts or nuts.
e. If unsealed areas cannot be eliminated, discontinue the boiler installation.
(continued)
DO NOT overtighten bolts in flue collector hood assembly.
and carbon monoxide emissions, resulting in severe personal
injury or death.
only.
assembly with the damper adjustment plate pointed toward
the rear of the boiler as shown in Figure 11. Otherwise, the
resulting in severe personal injury or death.
only.
only.
. See
, above.
flange surface and flue collector
in the
Part No. 550-141-935/0215
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