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Biasi SG Pro Series
The SG Pro Series packaged boilers are shipped from the factory as an assembled
boiler. If the block needs to be split into sections for ease of delivery, please order a standard
knocked down SG Pro Series boiler and request it to be split:
To assemble split blocks, move sections into parallel and facing each other. Sections may
be slid along boards placed underneath the sections. Inspect nipple ports for damage or burrs.
Remove any burrs by scraping the port very lightly. Wipe the push nipples and nipple ports with
a clean cloth. Apply a film of sealing compound to both the nipple and port. Install the nipple in
the port and then seat it by hitting with a hammer cushioned with a block of wood. Apply boiler
mastic to one section only and slide sections together. Install the four draw rods and draw the
sections together evenly (measure with ruler or tape measure). Draw the sections together until
sections make iron-to-iron contact at a point around the top and bottom ports of each section.
DO NOT OVER TIGHTEN DRAW RODS
After assembly of boiler block, seal all joints with boiler gasket and remove boards. NOTE:
When cutting off excess length of draw rods, allow enough length to install boiler jacket on the
draw rods.
2. Boiler Block Assembly
BIASI SG-Series Components & Parts
2) Door Alignment Pin
9) Lower Front Bushing
21) Hinge Stud, Nut and Washer
10) Front Tapping Gasket
3) Upper Hinge Element
11) Upper Front Bushing
19) SG Front Block Section
12) Lower Rear Bushing
5) SG Rear Block Section
13) Draw Rod
6) SG Intermediate Block Section
19) SG Door
Summary of Contents for SG-3
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