Alternator Inspection - TOHATSU BFT250A Service Manual

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ALTERNATOR INSPECTION

BRUSH HOLDER ASSEMBLY
Measure the brush length.
If the measurement is less than the service limit,
replace the brush holder assembly.
STANDARD:
SERVICE LIMIT: 9.0 mm (0.35 in)
RECTIFIER ASSEMBLY
• Inspect the rectifier by removing it from the stator.
Check for continuity between the B terminal [1] and the
respective P terminals (P1, P2, P3, and P4), and
between the E terminal [2] and the respective P
terminals (P1, P2, P3, and P4). Check for continuity in
two directions by reversing the test leads.
There should be continuity only in one direction.
Replace the rectifier if necessary.
10.5 mm (0.41 in)
CHARGING SYSTEM
[2]
P'1
P4
Circuit diagram:
[1]
[1]
P1
P2
P3
P'1
P1
P2
P3
P4
[2]
7-15