What is the first step in disassembling a Ford positive engagement starter?

Loosen the brush cover band retaining screw and remove the brush cover band and the starter drive plunger lever cover. Observe the lead positions for assembly, then remove the commutator brushes from the brush holders.

How is the starter drive gear removed from the armature shaft?

Remove the stop ring retainer, then remove and discard the stop ring retaining the starter drive gear to the end of the armature shaft, and remove the starter drive gear assembly.

Should the stop ring be reused when rebuilding the starter?

No. The procedure says to remove and discard the stop ring retaining the starter drive gear to the armature shaft.

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Ford Positive Engagement Starter Overhaul & Exploded Diagram - Disassembly Steps

Service manual page on overhauling a positive-engagement starter with exploded figure

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Service manual page detailing positive-engagement starter overhaul and disassembly steps with a labeled exploded starter figure.

AI caption May 2011 · Photo 67 of 122

This is a scanned page from a Ford factory-style service manual covering the overhaul of the positive engagement starter motor. The page includes an exploded parts diagram (figure reference J1644-B) labeled 'Positive Engagement Starter Disassembled—Except 2800 V-6 Engines,' with callouts identifying all major starter components: cover, starter drive plunger lever, plunger return spring, brushes, field coils, bushings, starter frame, stop ring retainer, stop ring, armature, brush cover band, brush end plate, gasket, drive end housing, starter drive, washer, and pole shoes. The accompanying text provides a step-by-step disassembly procedure, beginning with loosening the brush cover band retaining screw and removing the brush cover band and plunger lever cover, then removing through bolts, drive end housing, pivot pin, plunger lever, armature, stop ring retainer and stop ring, starter drive gear, brush end plate, ground brush screws, and field coil retaining sleeve. Steps 8 and 9 concerning pole shoe screw removal are partially cut off at the page edge. Top-of-page fragments reference starter cable routing for the 2800cc V-6 Pinto, Bobcat, and Mustang. A reader can learn the correct sequence and component identification for tearing down a Ford positive engagement starter.

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Frequently asked questions

What is the first step in disassembling a Ford positive engagement starter?: Loosen the brush cover band retaining screw and remove the brush cover band and the starter drive plunger lever cover. Observe the lead positions for assembly, then remove the commutator brushes from the brush holders.
How is the starter drive gear removed from the armature shaft?: Remove the stop ring retainer, then remove and discard the stop ring retaining the starter drive gear to the end of the armature shaft, and remove the starter drive gear assembly.
What parts are shown in the exploded starter diagram?: Cover, starter drive plunger lever, plunger return spring, brushes, field coils, bushings, starter frame, stop ring retainer, stop ring, armature, brush cover band, brush end plate, gasket, drive end housing, starter drive, washer, and poles.
Does this starter overhaul procedure apply to all engines?: The exploded diagram is captioned 'Positive Engagement Starter Disassembled—Except 2800 V-6 Engines,' so it does not apply to the 2800cc V-6.
Should the stop ring be reused when rebuilding the starter?: No. The procedure says to remove and discard the stop ring retaining the starter drive gear to the armature shaft.