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 324 of 1205

TM 9-2320-387-24-l

STARTER CIRCUIT

KNOWN INFO

I

CURRENT DRAW

IS BAlTERY

VOLTAGE 23-25.5

TOO HIGH OR LOW

I

VOLTS?

POSSIBLE

PROBLEMS

BATTERIES

STARTER

CABLES

KNOWN INFO

BATTERY VOLTAGE

OK

POSSIBLE

PROBLEMS

BATTERIES

STARTER

CABLES

BATTERIES

OK

POSSIBLE

PROBLEMS

STARTER

CABLES

2-268

, D&g3

TEST opT,oN~NOSTIC

FLOWCHART

I

1. STE/lCE-R

TEST 67

(Page 2496)

2. MULTIMETER

REASON

FOR QUESTION

Low voltage may indicate low

battery capacity.

IS BATTERY INTERNAL

RESISTANCE LESS THAN 25

MILLIOHMS AND BA-ITERY

RESISTANCE CHANGE LESS

THAN 50 MILLIOHMWSECOND?

TEST OPTIONS

STEXE-R

TESTS 73.75

(Pages 2-502.2-504)

REASON

FOR QUESTION

Battery resistance and

ti

resistance change is an

-

ARE THE POSITIVE AND

NEGATIVE CABLE DROPS

0.25 VOLT EACH?

TEST OPTIONS

1. STE/ICE-R

TESTS 69,69

(Pages 2-498.2-506)

2. MULTIMETER

REASON

FOR QUESTION

High cable resistance may limit

current flow.

-