alternator is not servicable. tis real easy to swap an alternator.
just need to unplug the battery, disconnect the connectors, loosen the 14mm upper & lower bolts holding the alternator to the mount, loosen the 12mm tensioner bolt till the belts slack and unhook belt, unbolt & swap alternators.
bolt in new alternator, hook up belt, tighten 12mm tensioner till the belt can deflect by 3mm, tighten up all bolts and reconnect plugs.
