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WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
33 Maintenance (continued)
Figure 1332EMOVALOF)GNITIONELECTRODE
2. Remove two (2) Phillips head screws securing the ignition
electrode to the boiler heat exchanger.
3. #AREFULLYSLIDETHEIGNITEROUTOFITSMOUNTINGSLOT
Use care when removing and handling igniter.
)GNITERISVERYBRITTLEANDCANBREAKIFNOTHANDLED
CAREFULLY
4. 2EMOVEANDINSPECTTHEIGNITORGASKET2EPLACEWITHNEWIF
necessary.
5. Inspect the ignitor ceramic and electrodes, 5/32” gap and not
bent or disfigured/warped.
6. Remove any white oxides accumulated on the ignition elec-
TRODEUSINGSTEEL WOOL )FTHEIGNITIONELECTRODECANNOT BE
CLEANEDSATISFACTORILYREPLACEIGNITOR)FTHEIGNITERCERAMIC
is cracked or damaged, replace.
7. Reinstall ignition electrode, making sure gasket is in good
condition and correctly positioned.
4/215%,)-)4 — Use a torque wrench when tight-
ening the two (2) ignition electrode retainer screws.
DO NOT exceed 20 inch-pounds.
8. Re-attach the ground wire to the electrode assembly.
9. 2ECONNECTIGNITIONWIREINTHEBACKOFCONTROLMODULE
Figure 134)GNITIONELECTRODEGROUNDING
Inspect and clean the burner
Wait until heat exchanger/boiler is cooled down
BEFOREPROCEEDING&AILURETODOSOCANCAUSE
severe injury.
1. See Figures 135 and 140FORREMOVINGHEATEXCHANGER
cover plate to access burner.
2. Use a 10mm wrench or socket to remove the five (5) nuts
that secure the heat exchanger cover plate to the heat
exchanger.
3. Remove the heat exchanger cover plate and the gasket.
Figure 135"OILERFRONTPANELREMOVED
#OMBISHOWN
Figure 136(EATEXCHANGERCOVERPLATEREMOVED