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
			Power system
				The power supply system with the carburettor Stromberg
				The power supply system with a carburetor Solex 4A1
					Adjusting the engine idling
					Clean the carburetor
					Removal and installation of the carburetor
					Replacement of the needle valve and setting the fuel level in the float chamber
					Check and adjust the automatic starting arrangement
					Adjusting the throttle actuator 1st camera
					Check additional trigger device
					Check and adjust the accelerator pump
					Check solenoid shut-off valves
					Removal and installation of the case of a bimetallic spring automatic starting device
					Removal and installation of the fuel pump
			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

Removal and installation of the fuel pump

Withdrawal

The union of the fuel pump

1 - nipple discharge fuel to the drain valve
2 - nipple for supplying fuel from the tank

PERFORMANCE ORDER

Remove the drain tube from the pump and the fuel supply.
Remove the two nuts securing the pump.
Remove the pump, heat-insulating spacer, grommets and a pusher.
Remove the cover of the pump, flush with gasoline and blow compressed air strainer.

Setting
PERFORMANCE ORDER
Replace the cover so that its alignment pin goes into the pump housing.
Install heat-insulating spacer, giving the drain hole in the side of the cylinder.
Install the plunger and bushings.
Place the pump and tighten the nuts.
Connect the fittings to the pump discharge pipe and the fuel supply.

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Removal and installation of the case of a bimetallic spring automatic starting device

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The fuel injection system K-Jetronic