|
| |
TM 9-2320-364-20-2
2-1648
Materials/Parts
Tag, Identification (Item 88, Appendix C)
Lockwasher (22) (Item 171, Appendix F)
Lockwasher (Item 208, Appendix F)
54. 12 AND 24 VOLT SYSTEMS NOT CHARGING OR UNDER CHARGING (200 AMP).
INITIAL SETUP
2-20. ELECTRICAL SYSTEM TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
STE/ICE-R (Optional) (Item 3, Appendix G)
Gage, Belt Tension (Item 26, Appendix G)
Multimeter (Item 44, Appendix G)
Jumperwire
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
1.
Replace or adjust
alternator belts (Para
7-5). Verify repair, go
to Step 9 of this Fault.
START
NO
YES
Both voltmeters indicate low
charge.
Batteries OK.
Fuel pump operates indicating
24 vdc present at CB24.
Alternator belts loose or missing.
Fusible link loop is open.
Wire 1275 from alternator
ground to battery negative faulty.
Alternator faulty.
Voltage regulator faulty.
Wire 1020A faulty.
Oil pressure switch faulty.
Wire 1020B faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
If alternator belts are loose or
missing, alternator will not
charge.
Are alternator belts properly
installed?
|
