Ignition Distributors - PRESTOLITE: Overhaul: Disassembly

Remove vacuum unit, distributor cap clamp springs, and rotor. On single breaker distributors, push in rubber grommet and remove primary lead. On double breaker distributors, loosen primary terminal post nut and remove primary lead. Remove breaker plate attaching screws and remove breaker plate assembly. Remove cam felt and spring clip retainer from center of cam and remove anti-rattle spring. Clamp distributor in soft-jawed vise and attach a dial indicator to body with indicator plunger against cam. Move shaft back and forth with just enough force to indicate clearance. If sideplay exceeds 0.006", replace bushings or shaft. Remove cam and yoke. Drive retaining pin from drive collar and shaft and remove collar. Remove lower thrust washer and push shaft out through top of housing.

NOTE: On distributors with driven gear held on shaft with retaining pin, support hub of gear so gear not damaged when pin driven out.

Remove upper thrust washers, oiler and oiler wick. Remove governor weights and springs.