TM 9-2540-207-14&P
4.4.1
Igniter & Igniter Holder Maintenance (continued)
Installation
!CAUTION!
Do NOT allow grease, dirt, or fingers to touch components inside Top Cover.
Contaminants may cause Heater failure.
1.
If a NEW Igniter is to be installed:
i.
Remove Top Cover (ref 5.1.1)
ii.
Remove spare Igniter mounted in the Top Housing.
iii.
Remove the nut on the electrical post of the Igniter, but DO NOT remove the spring washer. Discard
Nut.
iv.
Install Top Cover (ref. 5.1.1)
2.
Apply Nickel anti-seize (Loctite 77164) to the threads of the Igniter.
!CAUTION!
Be sure NOT to pinch or crush any wires when installing the Igniter and/or Igniter
Holder.
3.
Using a 3/4" socket, install Igniter Holder threaded into the Burner Housing.
4.
Using a 3/8" open ended wrench, install the Igniter into the Igniter Holder. DO NOT over tighten.
5.
Check that the spring washer is installed on the Igniter electrical post.
6.
Place the electrical wire connector onto the Igniter electrical post.
7.
Install Igniter Hatch by screwing the cap clockwise. DO NOT over tighten but ensure that the Hatch gasket is
conforming properly to the shape of the Top Shell to seal the Hatch hole.
Note: The Igniter Hatch must be properly in place so that the Hatch gasket seals
against the Top Shell to prevent air leakage during operation.
4-5
