Honda EM10000K1 Manual page 29

dummyhead dummyhead
GENERATOR SYSTEM TROUBLESHOOTING
ABNORMAL OUTPUT (NONE, LOW OR HIGH) AT RECEPTACLE
Check the maximum engine speed with the
circuit breaker in the ON position.
Check the engine speed.
Engine speed (at no load):
3,750 ± 150 min -1 (rpm)
Normal
Measure the voltage of the main winding at
engine running.
Standard voltage:
SH, SKH type:
(Red) terminal
– (Blue) terminal: 220 ± 11 VAC
LDH type:
(Red) terminal
– (Blue) terminal: 240 ± 12 VAC
(Red) terminal
– (White) terminal: 120 ± 6 VAC
(Blue) terminal
– (White) terminal: 120 ± 6 VAC
Abnormal
Turn the ignition switch OFF and disconnect the
field winding connectors (
Remove the brush holder (page 8-8).
Clean and inspect the slip rings.
Check for field winding resistance at the slip
rings.
Resistance: 49 – 59 Ω
Normal
Closely inspect the brushes for length, free
movement, continuity between the brush tip and
terminal, and for unusual wear.
Brush length: At least 9.5 mm (0.37 in)
There should be continuity between the:
outer brush and terminal, and inner
brush and terminal.
Normal
Go to page 8-8
Abnormal
Normal
Abnormal
and ).
Abnormal
GENERATOR/CHARGING SYSTEM
Adjust the engine speed (page 7-4).
Open circuit in wire harness between the
receptacle and main winding.
Replace the rotor (page 8-19).
Replace the brush holder (page 8-16).
8-5