Remove the ignition distributor cap, rotor and protective screen.
Disconnect the wire from the lever 3 of the breaker and loosen the locking screw 1.
Remove the breaker contacts.
Remove protective film from new contacts.
Lubricate the cam and felt pad of the breaker lever with Bosch Ft 1v4 grease.
Install the breaker contacts and connect the wire of the breaker lever.
Adjust cam angle and ignition timing.