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BMK1.5 LN Boiler 24-Month Maintenance Kit #58025-05 Instructions
Technical Instruction Document
TID-0066_0B
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, New York 10913
•
Phone: 800-526-0288
NOTE
The Burner Plate is heavy, weighing approximately 20 pounds.
14. Remove the Burner Plate and then the Burner by pulling straight up. Do not scrape or bang
the Burner Mesh during removal of the Burner.
15. Inspect the removed Burner for damage, warping or discoloration. If the Burner is
damaged, especially in the Observation Port or Staged Ignition Assembly area of the
flange, it must be replaced with a new assembly. Inspect the Burner Mesh with a flashlight
inside for evidence of clogging or sagging.
16. Inspect lower Burner Gasket for leak paths, gouges, or damage. An undamaged lower
gasket may be left in place without causing any adverse issues.
IMPORTANT!
Follow appropriate local and state regulations as pertains to
inspection of critical boiler parts.
During inspection, if the Burner and/or mesh appear damaged,
contact AERCO technical support for information regarding Burner
replacement. If undamaged, proceed to section 6.1.2.
6.1.2 Preliminary Burner Reassembly
Before Burner components may be replaced, the Burner must be partially reassembled as
follows:
Preliminary Burner Reassembly Instructions
1. Remove the two old Burner Gaskets (P/N 81063) and install the new gaskets from the kit.
Ensure that the gaskets and Burner are aligned with the Igniter-Injector and Flame
Detector slots in the heat exchanger top head.
IMPORTANT!
When installing new Burner Gaskets, it is imperative that the
gaskets be properly aligned to assure that the cutouts for the
Observation Port, Igniter-Injector, and Flame Detector line up with
those in the heat exchanger top plate, Burner flange and Burner
housing. Failure to properly align these items may result in
damage to the gaskets or interference with the components.
2. Reassemble the Air/Fuel Valve to the Blower (if needed) per figure 7. Ensure that the
Blower Gasket removed previously is included. Tighten each bolt in an alternating pattern
to ensure a uniform seal between the Blower and the A/F Valve.
3. Place a new Blower Gasket (P/N 81064) from the kit, aligning it with the Blower mounting
holes on the Burner Plate.
4. Next, place the Blower-A/F Valve assembly onto the gasket and Burner Plate. Insert the
six 1/4-20 bolts into the tapped holes on the Blower and thread each 1/4-20 bolt one or two
revolutions to aid in proper alignment. Tighten each bolt in an alternating pattern to ensure
a uniform seal around the Blower base.