AM Series Boiler Heat Exchanger Maintenance & Replacement
Technical Instruction Document
Removing the Heat Exchanger - Continued
5. Perform the following to remove the igniter assembly from the heat exchanger below the one
being removed:
NOTE
Refer to Figure 2-10 for image of igniter removal details.
a) Detach igniter cables from the two igniter terminals.
b) Detach the igniter power harness from the connector on the igniter.
c) Detach the igniter ground wire lug from the screw on the burner flange.
d) Remove the two igniter mounting screws.
e) Remove the igniter assembly from the heat exchanger.
6. Remove the two (or four) screws holding the lower bracket between heat exchangers.
7. Remove the two (or four) screws holding the upper bracket between heat exchangers. This
bracket is not present on the uppermost heat exchanger.
Figure 3-3: Removing Lower Igniter, Flow Sensor, and Brackets
TO FOUR SCREWS TO
REMOVE LOWER BRAKET
(NOT PRESENT ON LOWEST
HEAT EXCHANGER)
TO FOUR SCREWS TO
REMOVE UPPER BRAKET
(NOT PRESENT ON TOP
REMOVE LOWER IGNITER
Page 13 of 36 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 TID-0137_0A
02/02/2015 Ph.: 800-526-0288