TM-9-2320-387-24-1

TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1

DECEMBER 1997

CHANGE 1

TM-9-2320-387-24-1 - Page 252 of 1205

TM

9-2320-387-24-l

ENGINE

LUBRICATION

KNOWN INFO

1

WRONG OIL PRESSURE

POSSIBLE

PROBLEMS

OIL PRESSURE

GAUGE

OIL PRESSURE

SENSOR

INTERNAL

ENGINE

PROBLEMS

KNOWN INFO

I

WRONG PRESSURE

USING VEHICLE

GAUGE

POSSIBLE

DROBLEMS

GAUGE AND SENDER

ENGINE PROBLEMS

OIL PRESSURE

OK

GAUGE

SENDER

WIRING

DID YOU USE THE VEHICLE’S

ON-BOARD GAUGE TO

MEASURE THE PRESSURE

IN QUESTION 3?

* OPTIONS

NONE

REASON

FOR QUESTION

If you used the STUICE-R

to

measure the pressure, then the

engine has an internal fault.

MEASURE THE OIL PRESSURE

DIRECTLY. IS IT CORRECT?

T OPTIONS

1. STUICE-R

TEST 50 AND RPM

INTERLEAVED

(Page 2-495)

2. EXTERNAL

GAUGE AND

STEIICE-R

TEST 10 (Page 2-490

REASON

FOR QUESTlON

Direct verification

of the engine’s

oil

pressure wilt tell you if the problem

-t?

A3

THE PROBLEM IS IN THE OIL

PRESSURE SENDING SYSTEM. GO

TO INSTRUMENTS,

Page 2-305.

2-l 96