Cub Cadet Yanmar 3TNV72 - Manual (Page 228)

STARTER MOTOR
TNV IDI Service Manual 10-15
Starter Motor
Brush Holder
Brush Holder Insulation Test
Check for continuity between each brush holder
and the base using a multimeter (Figure 10-21).
The multimeter should not indicate continuity.
If the multimeter indicates continuity, replace the
brush holder.
Figure 10-21
Brush Spring Test
Test the spring force for each brush spring
(Figure 10-22). Replace the brush spring if the
force is not within the range. See Starter Motor
Specifications on page 10-6 for the service limit.
Figure 10-22
Solenoid Switch
If the starter motor becomes wet, replace the
solenoid switch even if the solenoid switch
assembly function is normal.
Shunt Coil Continuity Test
Check for continuity between the “S” terminal and
the switch body using a multimeter (Figure 10-23).
The multimeter should indicate continuity.
If the multimeter does not indicate continuity,
replace the solenoid switch.
Figure 10-23
Series Coil Continuity Test
Check for continuity between the “S” and “M”
terminals using a multimeter (Figure 10-24). The
multimeter should indicate continuity.
If the multimeter does not indicate continuity,
replace the solenoid switch.
Figure 10-24
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