QHT B3-B9 installation instructions Boiler Block Assembly, Do not Over Tighten Draw Rods

Models: B3-B9

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2. Boiler Block Assembly

All QHT BIASI B10 Series Boilers are shipped from the factory in assembled boiler blocks. If, however, the block needs to be split into sections for ease of delivery, please read the following:

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 nipple compound to both the nipple and port. Install the nipple in the port and then seal by hitting with a hammer cushioned with a block of wood. Apply section sealant to one section only and slide sections together. Install the four draw rods and draw the sections together evenly (measure with yardstick). 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

NOTE: When cutting off excess length of draw rods, allow enough length to install boiler jacket on the draw rods.

Boiler Components & Parts

BIASI B - Series

Boiler Block Assembly:

1Front Section

2Rear Section

3Intermediate Section

4Steel Push Nipples

5Tie Rod

6Tie Rod Nut

7Tie Rod Washer

81 1/2" X 3/4” Bushing

9Plug gasket

101/2" X 1 1/2" Bushing

11Boiler Swing Door

12Front Door Upper Insulation

13Front Door Upper Gasket

14Front Door Upper Plate

15Front Door Lower Insulation

16Front Door Stud (Qty 7)

17Front Door Lower Gasket

183/4" Plug (Sight Hole)

19Boiler Door Hinge (4 pieces)

20Hinge Pin (Qty 6)

21Boiler Body Hinge Bolts (Qty 2)

22Door Hinge Mounting Bolts (Qty 2)

236 inch Boiler Breeching

24Upper Front Fixed Door

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QHT B3-B9 installation instructions Boiler Block Assembly, Do not Over Tighten Draw Rods