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Page Title:
Table 2. Starting System Troubleshooting Procedure - continued |
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 TM 9-2320-361-24-1
0012 00
BATTERY AND CHARGING SYSTEM TROUBLESHOOTING (Contd)
Table 2. Starting System Troubleshooting Procedure (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
2. STARTER MOTOR
OPERATES, BUT
If Simplified Test Equipment for
ENGINE CRANKS
Internal Combustible
SLOWLY
EngineReprogrammable
(STE/ICE-R) is available, perform
NG Starter Circuit Tests.
Hot battery terminal indicates loose
or corroded connection.
1. Clean corroded connection to bright
Test 1. Check batteries for
metal.
overheating by cranking
engine for 15 seconds and
2. Tighten all loose connections at
feeling battery terminal
batteries, ground, and starter
connections.
Test 2. Test specific gravity for each
battery.
Perform a specific gravity test
(TM 9-6140-200-14). Batteries
1. Charge all batteries not meeting
must test 1.225 or greater,
requirements (TM 9-6140-200-14)
temperature corrected, and all
and check specific gravity again.
cells in battery must test
2. If more than 0.025 point variation
within 0.025 points of one
still exists between cells in any
another.
battery, battery is defective and
Test 3. Test starter motor voltage.
must be replaced (WP 0127 00).
1. Set multimeter to voltage
range that will measure
24 VDC.
2. Connect multimeter positive
lead to positive terminal lug 6
of starter motor, and connect
negative lead to terminal lug
5 on end plate of starter
motor.
3. Crank engine
(TM 9-2320-361-10) and
If voltage is less than 19 VDC, clean
observe cranking voltage on
and tighten starter motor connections
multimeter. Voltage should
exceed 19 VDC.
Test 4. Test motor-to-solenoid strap
voltage drop.
1. Set multimeter to voltage
range that will measure
tenths of a volt.
2. Connect multimeter negative
lead to positive terminal lug 6
of starter motor, and connect
multimeter positive lead to
starter motor solenoid
terminal lug 3.
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