5-50
ELEC
GENERATOR SYSTEM
12. Exciter field coil AC voltage
9
Disconnect the exciter field coil coupler.
9
Connect the pocket tester (AC 20 V) as
shown.
9
Start and run the engine.
B
W
9
Measure the exciter field coil voltage.
Exciter field coil AC voltage
(Black–White):
17 V
OUT OF SPECIFICATION
MEETS
SPECIFICATION
13. Exciter field coil resistance
9
Disconnect the exciter field coil coupler.
9
Connect the pocket tester (
W
× 1) as
shown.
B
W
9
Measure the exciter field coil resistance.
Exciter field coil resistance
(Black–White):
46.5
W
± 10 %
OUT OF
SPECIFICATION
Replace the exciter field coil.