Benchmark 750-3000 Operation, Service & Maintenance Guide-Latin America
SECTION 4 – MAINTENANCE
OMM-0132A
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
47
of
162
GF-206-LA-LA
Ph.: 800-526-0288
01/02/2018
4.6.2 BMK 1500 – 3000 BURNER INSPECTION
The following parts will be required for reassembly after burner inspection:
Burner Inspection Parts
Description
Part Number
BMK 1500/2000
BMK 2500/3000
Burner Upper Release Gasket
81183
81173
Burner Middle Gasket
81166
81180
Burner Lower Release Gasket
81186
81185
Flame Detector Gasket (1 each)
81048
81048
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.
Figure 4-5a: BMK 1500/2000 Burner Assembly Mounting Details
5/16” x 1-3/4” BOLTS,
5/16” WASHERS &
NYLOCK NUTS (4 each)
BLOWER
PLENUM
AIR
FILTER
A/F VALVE
PLENUM
BLOWER
BURNER PLATE
3/8”-16
HEX NUTS
(8 each)
IGNITER-
INJECTOR
ASSEMBLY
1/2” NUTS
& BOLTS (4 ea.)