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 112 of 1205

TM 9-2320-387-24-l

STARTABILITY

KNOWN INFO

1

ENGINE NOT LOCKED

BATTERIES

OK

I

I

RUN THE GLOW PLUGS CIRCUIT

STARTING

SYSTEM OK

TESTS. RETURN HERE.

FUEL SYSTEM OK

AIR INTAKE/EXHAUST

OK

I

I

GLOW PLUGS

COMPRESSION

L

KNOWN INFO

fNGlNE

NOT LOCKED

3AlTERIES

OK

3TARTlNG SYSTEM OK

SLOW PLUGS OK

AIR NTAKEEXHAUST

-UEL SYSTEM OK

POSSIBLE

PROBLEMS

COMPRESSION

DIAGNOSTIC

FLOWCHART

REASON

FOR QUESTION

If the engine is hard to start

it may be the glow plugs.

RUN COMPRESSION

UNBALANCE.

IS THE COMPRESSION

UNBALANCE

STE/ICE-R

TEST 14

(Page 2493)

OK?

REASON

FOR QUESTION

If cylinder compression

is far

enough out of balance, it could

prevent the vehicle from starting.

The lower the unbalance,

the

MAINTENANCE

YES

Y

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