The following article discusses Mazda RX-7 (1985) engine electrical system and alternator wiring diagram which consists of battery, alternator, starter motor, spark plug, distributor, igniter and ignition coil. Here you will find detail description and illustration of all engine electrical parts, interconnections, connectors, and troubleshooting tips.
In the alternator section, you will get brief instruction on alternator charging wiring and circuit diagram, on-vehicle inspection procedures (battery overdischarged and overcharged), battery removal and installation, alternator structural overview, alternator disassembly, inspection and assembly procedures. Here is a quotation from the article:
Basically, assembly is in the reverse order of disassembly. There are no lubrication point. Fit the stopper spring into the eccentric groove of the rear bearing circumference. The protruding part of the spring should be fit into the deepest part of the groove. Note that, for easy recognition, the edge of the deepest part of the groove is chamfered.
Find more information about Alternator Wiring Diagram for Mazda RX-7 (1985) and the engine electrical system in the following article. (source: wankel.net)