REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz E-Class W123 (from 1976 to 1985, the year of issue)

general info. full specifications. diagnostics. hints. tips. tricks

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Mercedes-Benz
	W123
		Introduction
		Gasoline engines
			Design and specifications
			Engine adjustment
			Ignition system
				Contact ignition system
					Adjusting contact breaker
					Replacement of contacts of the breaker
					Setting the ignition distributor
					Setting the ignition timing by a stroboscope
					Installation of the moment of ignition with a test lamp
				Contactless system of ignition
			Power system
			The fuel injection system K-Jetronic
			The fuel injection system L-Jetronic
			Works by car
			Work on the engine M 102
			Work on the engine M 110 and M 123
		Coupling
		Manual transmission
		Automatic Transmission
		Driveline and rear axle
		The front suspension
		Rear suspension
		A steering
		Brakes
		Electrical
		Body and Equipment

printable version

Contact ignition system

Adjusting contact breaker

Adjusting with a set of gaskets
PERFORMANCE ORDER
Uncover the ignition distributor.
Jack up the rear of the car, turn on the IV gear and turn the crankshaft of the engine by turning over the crankshaft pulley bolt so that the fiber cushion hammer chopper rested on the toe of one of the cam roller drive of the distributor of ignition.
Loosen the screw securing the fixed contact and adjust the gap between the contacts using a set of shims (see. Adjusting data in the "Design and specifications - Ignition System").
Tighten the screw that secures the fixed contact, turn the crankshaft of the engine a few turns to ensure proper adjustment of the gap between the contacts.

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Adjusting contact breaker