,
.
TM 5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
INDICATOR
- GAGE
FOR CLARITY
QUADRANT
Symptom-32
(Continued)
ASSEMBLIES
NOT SHOWN
I
Check engine oil presssure
transmitter
for short to
ground with engine running.
First Technician (Operators
Station)
l Set MASTER BATTERY switch OFF.
l Reconnect gage instrument panel harness connector
(CKT 27) to ENGINE
PRESS indicator gage.
Second Technician (Rear of Crew Compartment)
l Remove engine lower access cover (page 17-16).
l Disconnect engine electrical harness connector (CKT
36) from engine oil pressure transmitter.
irst Technician
(Operators Station)
l Start engine.
Second Technician
(Rear of Crew Compartment)
l
l
l
First
l
Set multimeter to OHMS Xl scale and zero meter, or
use STE/ICE
Test No. 91 (page 4-83).
Connect red probe of meter to engine oil pressure
transmitter
contact and black probe to ground.
Check if meter indicates continuity.
Technician (Operators Station)
Stop engine.
Did meter indicate
continuity,
thereby
indicating
a
short?
.
.
.
.
:.
ml
Ly:
-. -_.-
IRCUIT 36
ENGINE
OIL
PRESSURE
RANSMITTER
(page 10-221).
I
l Install gage instrument panel
(page 10-1 12).
I
TA1071O2
4-413