Mercury FOAZ-10316-A Regulator Assembly - Voltage

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To begin with, you have to remove the alternator and place it on a clean workbench. The voltage regulator/brush holder assembly can be detached by removing the four mounting screws. First, separate the voltage regulator and rubber plugs. After that, separate the brush leads from the holder by removing brush lead retaining screws and nuts. Remember, these screws require a special screwdriver because they have Torx heads in them. To avoid complex situations during the reinstallation of an entirely new voltage regulator, remove both brushes cautiously while avoiding loss of springs. Assuming you are fitting new brushes, place them into old regulator's brush holder then for new voltage regulators insert older brushes into the new regulators' brush holders. Ensure that springs are compressed and that brushes are installed properly in recesses on the brush holder. When fitting the regulator wire use a short wire like a paper clip to hold back brushes in a retracted position.

To remove the alternator, set it on a clean workbench. Then, remove the four voltage regulator mounting screws to detach the voltage regulator/brush holder assembly. Lift the assembly from the alternator and detach the rubber plugs. Remove the brush lead retaining screws and nuts to separate the brush leads from the holder. After noting the relationship of the brushes to the brush holder assembly, remove both brushes, being careful not to lose the springs. If installing a new voltage regulator, insert the old brushes into the brush holder of the new regulator. If installing new brushes, insert them into the brush holder of the old regulator, ensuring the springs are properly compressed and the brushes are properly inserted into the recesses in the brush holder. Install the brush lead retaining screws and nuts. Insert a short section of wire, like a paperclip, through the hole in the voltage regulator to hold the brushes in the retracted position during regulator installation. Carefully install the regulator, making sure the brushes don't hang up on the rotor. Finally, install the alternator.

The voltage regulator is located on the right side of the engine compartment.

Remove both brushes, being careful not to lose the springs.

Locate the voltage regulator on the right side of the engine compartment.

Carefully install the regulator, ensuring the brushes don't hang on the rotor, and the brush leads are looped toward the brush end of the holder. Tighten the regulator screws securely and remove the paper clip.