(
TM
5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
Symptom-47
INDICATOR
- LAMP
HIGH BEAM INDICATOR
LAMP WILL
NOT LIGHT
WHEN
WHITE
SERVICE
AND/OR
B.O. SERVICE
HIGH BEAM LAMPS
ARE ON.
This procedure
is to be performed
by
two
persons.
The
lead
person
is
referred
to as the first technician
and
shail direct the activity of the second
person caiied the second technician.
Check if Hi BEAM indicator
iamp wiii iight when B.O.
service
iamps are on.
Second
Technician
(Operators
Station)
l Turn LIGHTING
CONTROL
switch
iever to B.O.
DRIVE.
l Set B.O. SELECTOR
switch
to IR.
l Set MASTER
BATTERY
switch
ON.
l Check if HI BEAM indicator
lamp
is lit.
l Press and reiease foot DIMMER
SWITCH.
l Check if HIGH
BEAM
indicator
iamp
is iit.
is HI BEAM indicator
lamp iit?
1
\
LIGHTING
CONTROL
SWITCH
MASTER
CONTROL
PANEL
m
TA1072O6
4-517