4. Verify that you use the correct injector before you
install it on the module tray—see
Specifi cations
table on page 1. Note: the air shutter is used only
on NG models; set its position central to the slot as
shown.
5. Reinstall the locknut and new gasket.
6. Reconnect the injector elbow to the pipe and tighten
the nut.
Convert the pilot injector
1. Remove the pilot shield (2 screws).
2. Remove the pilot hood by pulling it upwards.
3. Unscrew the pilot injector us-
ing an Allen key. Discard the
pilot injector. Replace with the
appropriate pilot injector—see
Specifi cations
table on page 1.
Screw the new injector into as-
sembly and tighten.
4. Refi t the pilot head by pushing
down on it. Ensure that it snaps into position with
the correct orientation (there is a keyed slot).
Remove the burner module
1. Remove the screw at the right end of the burner.
2. Slide the burner to the right to disengage it from the
orifi ce and lift it out of the fi rebox.
Replace the main injector
1. Remove the burner support to gain access to the
injector nut (3 screws).
2. Disconnect the burner elbow injector nut from the
injector using a 11/16” (17 mm) wrench. Pull the pipe
downward out of the injector elbow.
3. Remove the burner gasket and release the locknut to
remove the injector.
Remove screw
Remove burner support
(3 screws)
Remove Pilot
shield
(2 screws)
Injector
Locknut
Burner gasket
Injector nut
2