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A
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b
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c
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1.
CLEAN THE FIRETUBES
A. For access to fireside of boiler, pull two halves of
Burner Swing Door Interlock wiring harness apart,
remove hex nuts holding door closed and open
swing door.
B. Prior to cleaning boiler, lay a protective cloth or
plastic over combustion chamber liner.
C. Using a 1 1/2" diameter wire brush (30" handle),
clean firetubes. Measure 15" from end of brush
opposite handle, and mark handle. DO NOT allow
this mark to go past front end of firetube during
cleaning, or brush will hit rear door insulation
piece.
2
. CLEAN THE COMBUSTION CHAMBER
Using wire or fiber bristle brush, clean inside of
combustion chamber. DO NOT let brush hit rear door
insulation piece or combustion chamber liner.
3
. AFTER CLEANING
Vacuum debris inside bottom of rear door, remove
protective cloth, and vacuum remaining fireside of
boiler as necessary. BE CAREFUL not to damage liner
or rear door insulation piece. Inspect front and rear door
insulation pieces, front door gaskets and combustion
chamber liner for damage. Replace any damaged
pieces.
0
IV. Boiler Cleaning
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4
. CLOSE BOILER
CAUTION: Do not start burner unless burner swing door is
securely closed. Close door, install hex nuts, and tighten
securely. Door should be parallel to tubesheet when
viewed from top and sides. Reconnect two halves of
Swing Door Interlock.
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