.
TM 5-5420-226-20-1
\
STE/lCE
TEST PROCEDURES
(CONTINUED)
J
Do OFFSET TEST.
First
Technician
l Dial TEST SELECT
switches
to 50.
l Press and hold TEST button
until
VTM display
.
;;;::;:TE~,ton,
l Check that offset measurement
on VTM
display
indicates
between
/Tq
to
I-]
Does
VTM display indicate between
I=Q
to
mml?
Z
perform pressure test.
Second
Technician
(Operator’s
Station)
\
l Start engine and let idle.
l Make sure engine is operating
at normal
operating
temperature.
First
Technician
(Rear
Grille
Doors)
l Press then release TEST button.
l Check that VTM display indicates
q
or more.
IDoes VTM display indicateEor more?
VTM
~DISPLAY
Do OFFSET FAULT ISOLATION
(TM 9-4910-571-12&P).
I
Notify DS maintenance.
TA106778
4-89
.
