Nanni N4.40, Workshop Manual, Page: 172 / 175

ENGINE
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM
1-S102
Armature Coil
1. Examine the continuity across the commutator and armature
coil core with the resistance range of circuit tester.
2. If electricity flows, replace the armature assembly.
3. Examine the continuity across the segments of the commutator
with the resistance range of circuit tester.
4. If electricity does not flow, replace the armature assembly.
M00000003ENS0151US1
Field Coil
1. Examine the continuity across the lead (1) and brush (2) with a
circuit tester.
2. If electricity does not flow, replace the yoke assembly.
3. Examine the continuity across the brush (2) and yoke (3) with a
circuit tester.
4. If electricity flows, replace the yoke assembly.
M00000003ENS0152US1
(8) Alternator
Bearing
1. Examine that the bearing can turn smoothly.
2. If not, replace it.
M00000003ENS0153US1
(1) Lead
(2) Brush (3) Yoke
KiSC issued 06, 2009 A