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GB300 BOILER INSTALLATION AND OPERATION INSTRUCTIONS
Page 22
Figure 43 “J” Bolt Installation
CAST IRON PRESSURE TEST
NOTE: Before filling the sections with water
temporarily set the flue collector(s) on top of the
sections to locate the flue collector brackets, Figure
44. On 13 to 21 section models attach the top jacket
splice panel bracket, Figure 45. Also mark the
intermediate casting that the flue collectors rest on.
Install a valve in the top and bottom tapping of the left
end section to vent any trapped air and allow boiler
draining after pressure test completion. Connect a water
pressure gage sized for the required test pressure to one
of the end castings. Plug all the other tapped openings.
Fill the cast iron sections with water leaving the top valve
open until all of the air has been bled from the sections.
Figure 44 Flue Collector Bracket Installation
Figure 45 Top Jacket Splice Panel Bracket