TM-9-2320-366-20-1
M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-366-20-1 - Page 432 of 1824
TEST OPTIONS
REASON FOR QUESTION
If battery(ies) is unserviceable,
12 vdc circuits will not operate.
KNOWN INFO
POSSIBLE PROBLEMS
Service drive lights OK.
Circuit breaker CB70 OK.
Faulty relay K2.
Faulty master power switch.
Faulty dashboard cable
assembly.
Faulty 100 AMP reverse
polarity relay.
Faulty 100 AMP reverse
polarity relay to power
distribution panel (PDP)
24 VDC cable.
Faulty battery to 100 AMP
reverse polarity relay 24 VDC
cable.
Faulty 200 AMP reverse
polarity relay.
Faulty 200 AMP terminal
block.
Faulty battery to 200 AMP
terminal block 24 VDC cable
asssembly.
Faulty 200 AMP terminal block
to reverse polarity relay 24
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.
e4.
24 VDC CIRCUITS DO NOT OPERATE
START
WARNING
Read WARNING
on following page.
Are batteries serviceable?
1.
NOTE
Battery Specific Gravity Test
NO
YES
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1).
Tools and Special Tools
Tool Kit, Genl Mech (Item 46, Appendix C)
STE/ICE-R (Item 41, Appendix C)
Multimeter, Digital (Item 22, Appendix C)
Tester, Antifreeze and Battery (Item 42, Appendix C)
Goggles, Industrial (Item 15, Appendix C)
Gloves, Rubber (Item 13, Appendix C)
Apron, Rubber (Item 3, Appendix C)
Socket Set, Socket Wrench (Item 34, Appendix C)
Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)
Wrench, Torque, 0-175 lb-ft (Item 58, Appendix C)
Wire, Relay Test (Item 9, Appendix E)
Materials/Parts
Ties, Cable, Plastic (Item 69, Appendix D)
Dispenser, Pressure Sensitive Tape
(Item 20, Appendix D)
Wire, Elect, 50 ft (Item 77, Appendix D)
Lockwasher (2) (Item 95, Appendix G) (100 AMP)
Lockwasher (2) (Item 73, Appendix G) (200 AMP)
Lockwasher (4) (Item 96, Appendix G) (200 AMP)
Personnel Required
(2)
References
TM 9-6140-200-14
TM 9-4910-571-12&P
Charge battery(ies) (TM 9-6140-200-14)
or replace battery(ies) (para 7-55).
TM 9-2320-366-20-1
2-268
Change 1
Perform electrical troubleshooting e1. Circuit
Breaker Does Not Operate on circuit breaker
CB70 prior to beginning this task.
Remove and install plastic cable ties as
required.
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