Hyundai Seasall S250S Workshop Manual page 77

Engine Electrical System
6. Unsolder the 3 stator leads(A)
7. Loosen the 4 through bolts(A)
8. Disconnect the rotor(A) and cover(B)
9. Reassembly is the reverse order of disassembly
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Inspection
Rotor
1. Check that there is continuity between the slip
Rings(A).
2. Check that there is no continuity between the
Slip rings and the rotor(B) or rotor shaft(C)
3. If the rotor fails either continuity check, replace the
alternator
Stator
1.Check that is continuity between each pair of leads(A)
2. Check that there is no continuity between each lead
and the coil core
3. If the coil fails either continuity check, replace the
alternator
Charging System