Overhaul of marelli alternator

OVERHAUL OF MARELLI ALTERNATOR

Marelli A115I-14 V-35/65 A alternator)

If there is no or incorrect indication of alternator recharging, before totally dismantling the alternator, carry out the following checks:

• Check the belt tension;
• check that the nut on the alternator's positive terminal (B+) is tight, and make sure that the washer is present;
• check that the nut on the excitation terminal (D+) is tight, and make sure that the washer is present;
• check that the nuts on the positive connector block in the engine compartment are tight;
• check that the bolts securing the battery negative cable to the body shell are tight;
• check that the battery terminals are clean and tight;

• remove the plastic cover protecting the diode pack, then unsolder the terminals of the stator windings from the excitation diodes;

• undo the bolts indicated in the figure;