TM 55-1520-240-23-10
13-6.1
ASSEMBLE HEATER (AVIM)
(Continued)
13-6.1
Dangerous voltages at igniter plug
arcing from the igniter plug to the
shroud can cause serious burns.
11.
Connect 28 vdc power supply (19) to ignition
unit (20).
12.
Connect shielded lead (21) to igniter plug in
heater (22).
13.
Energize 28 vdc power supply.
14.
Observe the igniter plug arcing thru the fuel
opening in the combustion plate (8).
15.
Arcing (23) should be between the button end of
the igniter plug (13) and shroud end (15).
16.
There should be no arcing (23) internally in the
shroud (15).
17.
If internal arcing occurs, shut down and return
to step 10.
18.
Energize the system per step 13 and observe
arcing.
19.
Shut down system and disconnect power source
(19).
13-40