TM 9-2350-261-20-1
1.
2.
3.
Remove six screws (1) and cover (2) from voltage
regulator (3).
Connect multimeter to clean unpainted surface and
vehicle ground.
Does multimeter read 0.5 ohms or less?
1. Install cover and six screws on voltage regulator.
2. Connect alternator test kit (page 3-64.1).
3. Check batteries to make sure they are fully charged
(see TM 9-6140-200-14).
4. Turn off all electrical equipment/loads.
CAUTION
If voltage climbs above 33 or more volts,
shut off engine. Alternator could be
damaged.
5. Adjust rheostat to maximum resistance.
6. Connect diagnostic test harness leads 1 and 4 together.
7. Start engine and run at 800 rpm and lower resistance.
8. Does voltage rise above battery voltage (test harness
lead 3 to ground) to approximately 28 volts?
1.
2.
Ensure lock washers (4) and
screws (5) are tight on
plate (6).
Tighten nut (7) securing
ground lead (8) to -
regulator (3).
3. Install cover and screws on
voltage regulator.
4. Repeat charging system
operational check
(page 3-64.4).
1. Remove alternator test kit
(page 3-64.1).
2. Replace generator (200 amp)
(page 9-34).
3. Repeat charging system
operational check
(page 3-64.4).
3-64.12
Change 1
