Benchmark 750-3000 Boiler Operation, Service, Maintenance Guide - KOREA
SECTION 4 – MAINTENANCE
OMM-0128_0A
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
45
of
144
GF-206-K
Ph.: 800-526-0288
07/17/2017
BMK 750/1000 Burner Inspection Instructions
Figure 4-4a: BMK 750/1000 Burner Assembly Mounting Details (Overhead View)
Figure 4-4b: BMK 750/1000 Burner Assembly (Exploded View)
8. Next, loosen and remove the igniter-injector from the burner plate using a 1" open-end
wrench.
9. Disconnect the unit wiring harness connectors from the air/fuel valve and blower motor.
FRONT
REAR
1/2" BOLTS & NUTS (4)
(GAS TRAIN-to-A/F
VALVE)
IGNITER-INJECTOR
3/16”–16 HEX NUTS (8)
BURNER PLATE
BLOWER
BLOWER PROOF
SWITCH
BLOCKED INLET
SWITCH
AIR FILTER
STAGED IGNITION
ASSEMBLY
BLOCKED INLET
SWITCH
BURNER PLATE
BURNER GASKET
FLAME DETECTOR
BLOWER
BLOWER PROOF SWITCH
AIR/FUEL VALVE
O2 SENSOR
IGNITER/INJECTOR
STAGED IGNITION
BURNER