HITACHI Electronic Ignition Systems - HONDA: Overhaul: Disassembly

Remove spark plug wires and vacuum hoses from distributor. Remove distributor cap. Remove condenser ground wire and disconnect pulse generator/ignitor wire connector from distributor. Remove hold-down bolt, lifting distributor from cylinder head.
Carefully pry upward on reluctor with 2 screwdrivers, cushioned with rags to prevent damage to distributor housing. See Fig 1. Use care not to damage reluctor or stator. When installing reluctor, drive roll pin in place with its gap away from distributor shaft.
On Accord and Prelude models with automatic transmission, remove advance/retard diaphragm mount screw. Pull out on diaphragm unit, while pushing down on arm. On Accord and Prelude models with manual transmission and all Civic models, remove advance diaphragm mount screws. Pull diaphragm out of housing, while lifting up on end of arm.

Fig 1: Removing Reluctor from Shaft
Courtesy of NOT AVAILABLE
On all models, drive roll pin from distributor shaft. Remove shaft and gear from housing. Inspect and replace parts as necessary.