Yamaha EF7000 Service Manual page 122

7. Sub coil AC voltage
9 Disconnect the stator assembly (sub coil)
coupler.
9 Connect the pocket tester (AC 20 V) as
shown.
9 Start the engine (with no load).
A
B
A EF7200DE
B Except for EF7200DE
Tester + lead → Green terminal
Tester - lead → Green terminal
Sub coil AC voltage:
120/240 V:
9.9/9.9 V
220 V:
8.9 V
230 V:
8.9 V
MEETS
SPECIFICATION
GENERATOR SYSTEM
OUT OF SPECIFICATION
8. Sub coil resistance
9 Connect the pocket tester (W × 1) as
shown.
W
A
G G
AC20V
W
B
G G
AC20V
A EF7200DE
B Except for EF7200DE
Tester + lead → Green terminal
Tester - lead → Green terminal
Replace the stator assembly.
5-47
Sub coil resistance:
120/240 V:
0.366 W ± 10 %
220 V:
0.508 W ± 10 %
230 V:
0.508 W ± 10 %
OUT OF
SPECIFICATION
ELEC
W
G G
Ω×1
W
G G
Ω×1