TM
5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
SUPPORT
SYSTEM
- VEHICLE
LIGHTING
Symptom-69
IR LAMPS
WILL
NOT
LIGHT.
-l_.oTE
This procedure
is to be performed
by
two
persons.
The
lead
person
is
referred
to as the first technician
and
shall direct the activity of the second
person called the second technician.
I
Check if B.O. drive lamp will light.
First
Technician
(Operators
Station)
l Set MASTER
BATTERY
switch
ON.
l Turn LIGHTING
CONTROL
switch to B.O. DRIVE.
l Set BO SELECTOR
switch
to BLACKOUT
DRIVE.
Second
Technician
(Front
of Vehicle)
l Visually check if B.0, drive lamp is lit.
I
{
l
:&
MASTER
CONTROL
PANEL
B.O. DRIVE
9
LAMP
~--
~.
---%
; 1
--
.
-,.
8!3
,
I+b,
1y -
LEFT HEADLIGHT
ASSEMBLY
Does
B.O.
drive lamp light?
Il Check if gage instrumentpanel
lamps will light.
l See Step
@
.
TA10735O
4-661