.
TM 5-5420-226-20-1
Symptom-34
DETAILED
TROUBLESHOOTING
PROCEDURE
FROM
STEP
INDICATOR
- GAGE
~
WARNING
.—
Do
not
operate
engine
above
idle
when
personnel
are
working
be-
tween
rear grille doors.
(Continued)
#-
‘Check
for transmission
oil pressure
of 4 to 40 psi.
Second
Technician
(Operator’s
Station)
l Stop engine.
Both
Technicians
(Rear
Grille
Doors)
l Remove
transmission
shroud
(page
9-2).
First
Technician
(Rear
Grille
Doors)
l
l
l
l
Disconnect
transmission
harness
connector
(CKT
321 ) from
transmission
oil pressure
transmitter.
Remove
oil pressure
transmitter
(page
10-231).
If STE/ICE
is available,
install
STE/ICE
pressure
test fittings
in transmission
and perform
Test
No.
50: pressure
0-1000 psig. (page
4-88).
If STE/ICE
is not available,
install
pressure
gage
(P/N
7950330)
in transmission.
Second
Technician
(Operator’s
Station)
l Start engine.
First
Technician
(Rear
Grille
Doors)
l Check if STE/ICE
or gage indicates
4 to 40 psi with
engine
running.
Does meter/gage
indicate
4 to 40 pal?
BTRANSMISSION
‘~
OIL PRESSURE
TRANSMITTER
(
L?
‘-d
.
)
l Stop engine.
l Remove
pressure
test
equipment
from
transmission.
l Install oil pressure
transmitter
(page
10-232).
l Connect
transmission
harness
connector
to oil
pressure
transmitter.
l Install transmission
shroud
(page
9-6).
l Notify support
maintenance
of transmission
problem.
TA1 07128
4-439
