TM 5-3805-254-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
27. GENERATOR DOES NOT CHARGE
WARNING
Although KEY SWITCH must be on and battery ground cable connected to test electrical circuit
voltage, turn off KEY SWITCH and disconnect battery ground cable before doing resistance tests
or replacing parts. This will keep you from getting shocked and prevent damage to parts and
equipment.
Step
1. Start engine (TM 5-3805-254-10) and check that BATT/CHGNOLTS gage (1) is in CHG scale. Using
multimeter, set to 20 vdc scale, connect red test lead to battery positive (+) cable (2) and black test lead to battery
negative (-) cable (3). Have assistant run engine at 1100 rpm and check for 13 to 15.5 vdc on multimeter. Have
assistant shut down engine (TM 5-3805-254-10). Disconnect test leads.
a.
If BATT/CHGNOLTS gage (1) is in CHG scale and multimeter reads 13 to 15.5 vdc, go to step 3.
b.
If BATT/CHGNOLTS gage (1) is not in CHG scale and multimeter does not read 13 to 15.5 vdc, go to step
2-213
