TM-9-2540-207-14-P
HEATER, VEHICULAR COMPARTMENT, MODEL: A20
TECHNICAL MANUAL; OPERATOR, FIELD, AND SUSTAINMENT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JULY 2007
TM-9-2540-207-14-P - Page 44 of 288
TM 9-2540-207-14&P
4-6
5.
Use a wire brush to carefully remove any carbon deposits from the Ignitor Holder.
6.
Gently wipe the Ignitor with a cloth to remove any carbon buildup.
Ignitor & Ignitor Holder Inspection (Continued)
!CAUTION!
When removing or installing the Ignitor and/or Ignitor Holder, Do NOT allow any objects
to come into contact with the Fuel Shaft.
Damage will occur and cause
heater malfunction
.
Installation
!CAUTION!
Do NOT allow grease, dirt, or fingers to touch components inside Top Cover.
Contaminants may cause heater failure.
1.
If a NEW Ignitor is to be installed:
a.
Remove Top Cover (ref 5.1.1).
b.
Remove spare Ignitor mounted in the Top Housing.
c.
Remove the nut on the electrical post of the Ignitor,
but
DO NOT remove the spring washer
.
Discard Nut.
d.
Install Top Cover (ref. 5.1.1).
2.
Apply Nickel anti-seize (Loctite 77164) to the threads of the Ignitor.
! CAUTION !
Be sure NOT to pinch or crush any wires when installing the Ignitor and/or Ignitor
Holder.
3.
Using a 3/4" socket deep socket, install Ignitor Holder threaded into the Burner Housing.
4.
Using a 3/8" socket, install the Ignitor into the Ignitor Holder. DO NOT over tighten.
5.
Check that the spring washer is installed on the Ignitor electrical post.
6.
Place the electrical wire connector onto the Ignitor electrical post.
7.
Install Ignitor 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 Ignitor Hatch must be properly in place so that the Hatch gasket
seals against the Top Shell to prevent air leakage during operation.
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