Yamaha F6AMH Wartungshandbuch Seite 486

A
B
CHARGING SYSTEM (F8CW)
CHECKING THE RECTIFIER AND
RECTIFIER/REGULATOR
Measure:
Rectifier output peak voltage


Rectifier/regulator output peak


voltage
Below specification
rectifier or rectifier/regulator.
Rectifier output peak voltage A
Cranking
r/min
Opened
D.C.V 2.8
NOTE:
When measuring closed (cranking),
1500 r/min, and 3500 r/min, disconnect the
positive (+) terminal of the battery.
Rectifier/regulator output peak
voltage
Red (R) - Black (B)
Cranking
r/min
Opened
D.C.V 7.7
NOTE:
When measuring closed (cranking),
1500 r/min, and 3500 r/min, disconnect the
positive (+) terminal of the battery.
Peak voltage adaptor:
YU-39991/90890-03172
NOTE:
Before measuring the rectifier or the
rectifier/regulator peak voltage, make sure
that no abnormality is observed on the
lighting coil.
8-28
Replace the

Red (R) - Black (B)
1,500
Closed Opened Opened
— 13.3
B
1,500
Closed Opened Opened
— 27
3,500
32.2
3,500
27