TM 9-2350-247-20-1
200 AMP OVER VOLTAGE TROUBLESHOOTING (M548A3)
0027 00
INITIAL SETUP:
Maintenance Level
Unit
Tools and Special Tools
General Mechanic’s Tool Kit (WP 0541 00, Item 57)
Multimeter (WP 0541 00, Item 29)
Generator Test Kit (WP 0541 00, Item 53)
Personnel Required
Unit Mechanic
References
See your -10
TM 9-6140-200-14
Equipment Condition
Engine stopped (see your -10)
Carrier blocked (see your -10)
T
1. Turn MASTER SWITCH ON.
2. Measure battery voltage by placing red lead (1) in positive socket
of NATO plug (2) on auxiliary power (slave) receptacle (3).
Touch black negative lead (4) to outside of NATO plug on
receptacle.
3. Adjust 200 amp voltage regulator to lowest setting (WP 0249 00).
4. Start engine (see your -10) and accelerate.
5. Does voltage climb to 32 to 34 volts and suddenly drop to battery
voltage?
YES
NO
GO TO BY (PAGE 0027 00-3)
0027 00-1
