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8-5
dummyhead
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GENERATOR/CHARGING SYSTEM
GENERATOR SYSTEM TROUBLESHOOTING
ABNORMAL OUTPUT (NONE, LOW OR HIGH) AT RECEPTACLE
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
Open circuit in wire harness between the
receptacle and main winding.
Normal
Normal
Go to page 8-8
Normal
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)
Abnormal
Adjust the engine speed (page 7-4).
Abnormal
Turn the ignition switch OFF and disconnect the
field winding connectors (
and
).
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
Replace the rotor (page 8-19).
Abnormal
Replace the brush holder (page 8-16).
Normal
Abnormal
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.
Содержание EM10000K1
Страница 5: ...1 1 1 dummytext 1 SPECIFICATIONS SERIAL NUMBER LOCATION 1 2 SPECIFICATIONS 1 2 PERFORMANCE CURVES 1 4 ...
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Страница 23: ...7 1 7 dummytext 7 GOVERNOR SYSTEM GOVERNOR ARM CONTROL REMOVAL INSTALLATION 7 2 ...
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Страница 41: ...9 1 9 dummytext 9 IGNITION SYSTEM IGNITION COIL INSPECTION 9 2 ...
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