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CONTINUITY TEST - TM-9-2320-366-20-10431
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TM-9-2320-366-20-1 M1083 Series 5-Ton 6 x 6 Medium Tactical Vehicles (MTV) Manual
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BATTERY SPECIFIC GRAVITY TEST - TM-9-2320-366-20-10433
TM 9-2320-366-20-1
e4. 24 VDC CIRCUITS DO NOT OPERATE
INITIAL SETUP
Equipment Conditions
Materials/Parts
Engine shut down (TM 9-2320-366-10-1).
Ties, Cable, Plastic (Item 69, Appendix D)
Dispenser, Pressure Sensitive Tape
Tools and Special Tools
(Item 20, Appendix D)
Tool Kit, Genl Mech (Item 46, Appendix C)
Wire, Elect, 50 ft (Item 77, Appendix D)
STE/ICE-R (Item 41, Appendix C)
Lockwasher (2) (Item 95, Appendix G) (100 AMP)
Multimeter, Digital (Item 22, Appendix C)
Lockwasher (2) (Item 73, Appendix G) (200 AMP)
Tester, Antifreeze and Battery (Item 42, Appendix C)
Lockwasher (4) (Item 96, Appendix G) (200 AMP)
Goggles, Industrial (Item 15, Appendix C)
Gloves, Rubber (Item 13, Appendix C)
Personnel Required
Apron, Rubber (Item 3, Appendix C)
(2)
Socket Set, Socket Wrench (Item 34, Appendix C)
Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)
References
Wrench, Torque, 0-175 lb-ft (Item 58, Appendix C)
TM 9-6140-200-14
Wire, Relay Test (Item 9, Appendix E)
TM 9-4910-571-12&P
NOTE
Perform electrical troubleshooting e1. Circuit
Breaker Does Not Operate on circuit breaker
CB70 prior to beginning this task.
KNOWN INFO
TEST OPTIONS
Service drive lights OK.
Remove and install plastic cable ties as
Battery Specific Gravity Test
Circuit breaker CB70 OK.
required.
POSSIBLE PROBLEMS
REASON FOR QUESTION
START
If battery(ies) is unserviceable,
Faulty relay K2.
12 vdc circuits will not operate.
Faulty master power switch.
Faulty dashboard cable
assembly.
WARNING
Faulty 100 AMP reverse
Read WARNING
polarity relay.
on following page.
1.
Faulty 100 AMP reverse
polarity relay to power
distribution panel (PDP)
Are batteries serviceable?
24 VDC cable.
Faulty battery to 100 AMP
reverse polarity relay 24 VDC
cable.
Faulty 200 AMP reverse
polarity relay.
Faulty 200 AMP terminal
NO
block.
Faulty battery to 200 AMP
terminal block 24 VDC cable
asssembly.
Faulty 200 AMP terminal block
Charge battery(ies) (TM 9-6140-200-14)
to reverse polarity relay 24
YES
or replace battery(ies) (para 7-55).
VDC battery cable.
Faulty 200 AMP terminal block
to reverse polarity relay 24
VDC load cable.
Faulty 200 AMP terminal block
to power distribution panel
(PDP) 24 VDC cable.
Change 1

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