ELECTRICAL SYSTEM
M6060, M7060, WSM
8-S61
Field Coil
1. Check the continuity across the lead (1) and brush (2) with an
ohmmeter.
2. If it does not conduct, replace the yoke assembly.
3. Check the continuity across the brush (2) and yoke (3) with an
ohmmeter.
4. If it conducts, replace the yoke assembly.
9Y1210828ELS0114US0
[2] ALTERNATOR
Bearing
1. Check the bearing for smooth rotation.
2. If it does not rotate smoothly, replace it.
9Y1210828ELS0115US0
Stator
1. Measure the resistance across each lead of the stator coil with
an ohmmeter.
2. If the measurement is not within factory specification, replace it.
3. Check the continuity across each stator coil lead and core with
an ohmmeter.
4. If infinity is not indicated, replace it.
9Y1210828ELS0116US0
Rotor
1. Measure the resistance across the slip rings with an ohmmeter.
2. If the resistance is not the factory specification, replace it.
3. Check the continuity across the slip ring and core with an
ohmmeter.
4. If infinity is not indicated, replace it.
9Y1210828ELS0117US0
Resistance
Lead (1) – Brush (2) 0 Ω
Brush (2) – Yoke (3) Infinity
(1) Lead
(2) Brush
(3) Yoke
Resistance Factory specification Less than 1.0 Ω
Resistance Factory specification 2.8 to 3.3 Ω
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