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 298 of 1205

REFERENCE INFORMATION

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These tests check the strength of the batteries during

engine cranking.

If you don’t have STUICE-R,

skip

this step, but remember that you haven’t tested the

batteries under load.

STARTER NEG. CABLE VOLTAGE DROP

STE/lCE-R TEST 69

1.

Start Test 69, Starter Negative Cable Voltage

Drop.

2. Displayed

reading is in volt. The cable voltage

drop should be less than 0.25 volt max.

Repair/replace

wire (para. 4-80).

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Repair/replace

wire (para. 4-60).

TM 9-2320-387-24-1

BAITERY

CIRCUIT

BAlTERY

INTERNAL

RESISTANCE

STOICE-R

TEST 73

1.

Diinnect

wire 54A at injection pump to

prevent starting.

2. Disconnect glow plug controller and fan

solenoid.

3. Start Test 73, Battery Internal Resistance.

4. Wait for the GO message. Crank the engine.

5. Result is displayed

in milliihms.

Battery

resistance should be 25 milliohms max.

BATTERY RESISTANCE

CHANGE

STUICE-R

TEST 75

1. Disconnect wire 54A at injection pump to

prevent starting.

2. Disconnect glow plug controller and fan

solenoid.

3. Start Test 75, Battery Resistance Change.

4. Wait for the GO message. Crank the engine.

5. Result is displayed in milliohms&cond.

Battery resistance change should be

50 milliohms/second

max.

DC VOLTAGE O-45 VOLTS

STEIICE-R TEST 69

1. Connect RED clip to the indicated test point,

BLACK clip to negative

or ground.

2. Start Test 69, DC Volts.

3. Displayed reading is in volts.

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