TM 9-2540-207-14&P
4.4.1
IGNITER & IGNITER HOLDER MAINTENANCE
Figure 4-1. Igniter & Igniter Holder Maintenance
Removal
1.
Remove Igniter Hatch by unscrewing the cap counter-clockwise.
2.
Remove Igniter electrical connector wire attached to the electrical post of the Igniter.
DO NOT pull or twist the connector wire.
DO NOT remove the spring washer from the electrical post of the Igniter.
3.
Using a 3/8" open ended wrench, remove Igniter threaded into the Igniter Holder.
Note: If the Igniter will not release from the Igniter Holder, it may be necessary to
remove the Igniter Holder and the Igniter as one unit from the Burner Housing. In
this case, use a 3/4" deep socket to remove Igniter Holder threaded into the Burner
Housing. Once removed, remove the Igniter from the Holder using a 3/8" open
ended wrench as well as a 3/4" open ended wrench to hold the Igniter Holder.
4.
Using a 3/4" socket, remove Igniter Holder threaded into the Burner Housing.
5.
Use a wire brush to carefully remove any carbon deposits from the Igniter Holder.
6.
Gently wipe the Igniter with a rag to remove any carbon buildup.
CAUTION!
When removing or installing the Igniter and/or Igniter Holder, Do NOT allow any
objects to come into contact with the Fuel Shaft. Damage will occur and cause
Heater malfunction.
4-4
