Yamaha EF7000 Service Manual page 127

15. Rectifier (rotor assembly)
9 Remove the rotor assembly.
9 Connect the pocket tester (W × 1) as
shown.
4
1
3
2
Rectifier continuity:
Pocket tester
connecting point
+ (Red) - (Black)
1
2
1
3
1
4
2
3
2
4
3
4
×
2 : Continuity : No continuity (
GOOD
Good
2
2
×
1
×
3
×
1
×
4
1
2
×
3
2
2
×
4
2
2
×
4
3
2
)
NOT GOOD
GENERATOR SYSTEM
Replace the rectifier.
5-52
ELEC