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Benchmark 750-3000 Operation, Service & Maintenance Guide-Latin America
SECTION 4 – MAINTENANCE
4.6.2 BMK 1500 – 3000 BURNER INSPECTION
The following parts will be required for reassembly after burner inspection:
Burner Inspection Parts
Description
Burner Upper Release Gasket
Burner Middle Gasket
Burner Lower Release Gasket
Flame Detector Gasket (1 each)
BMK 1500-3000 Burner Inspection Instructions
1. Set the ON/OFF switch on the C-More Controller to the OFF position. Disconnect AC
power from the unit and turn off the gas supply.
2. Remove the top shroud from the unit by grasping the top handle and lifting straight up. This
will disengage the shroud from the four (4) pins in the side panels.
3. Disconnect the lead wire from the flame detector installed on the burner plate. See Figure
4-2b (BMK 1500/2000) or Figure 4-2c (BMK 2500/3000).
4. Remove the two (2) screws securing the flame detector to the plate. The flame detector is
secured to the burner plate with one (1) #10-32 screw and one (1) #8-32 screw.
5. Remove the flame detector and gasket from the burner plate.
IGNITER-
INJECTOR
ASSEMBLY
3/8"-16
HEX NUTS
(8 each)
Figure 4-5a: BMK 1500/2000 Burner Assembly Mounting Details
OMM-0132A
GF-206-LA-LA
BMK 1500/2000
81183
81166
81186
81048
BLOWER
PLENUM
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Ph.: 800-526-0288
Part Number
BMK 2500/3000
81173
81180
81185
81048
5/16" x 1-3/4" BOLTS,
5/16" WASHERS &
NYLOCK NUTS (4 each)
BLOWER
BURNER PLATE
A/F VALVE
PLENUM
1/2" NUTS
& BOLTS (4 ea.)
AIR
FILTER
Page 47 of 162
01/02/2018
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