Power system Solex 4A1 car Mercedes E-Class (W123)

The main parts of the Solex 4A1 carburetor
13 - quality adjustment screws (composition) mixtures; 26 - electromagnetic shut-off valves; 28 - thrust drive accelerator pump; 31 - adjusting nut for the start of fuel...

Engine idle adjustment
Idle speed adjustment must be carried out on a warm engine (temperature 60°С) with adjusted gaps in the gas distribution mechanism and with a correctly set ignition...

Carburetor cleaning
Carburetor fuel filter replacement 1. Remove the air filter. 2. Remove the spring clip 1 and disconnect the connecting rod. Remove four nuts and eight pan head screws....

Removal and installation of the carburetor
Removing 1. Remove the air filter and drain some of the coolant. 2. Disconnect from the carburetor fuel hoses and hoses of the engine cooling system. Disconnect the...

Replacing the needle valve and setting the fuel level in the float chamber
1. Remove the carburetor cover. 2. Remove the bracket and remove the float and needle valve. 3. Install float and new needle valve and secure with clip. 4. Install gauge...

Checking and adjusting the automatic starter
Adjustment of the starting clearance of the 1st stage air damper Adjustment of the starting clearance of the 1st stage of the air damper: 1 - thrust; 2 - intermediate...

Adjustment of the throttle actuator of the 1st chamber
Adjustment of the throttle actuator of the 1st chamber A - the gap between the throttle control lever and the idle mixture amount adjusting screw; F is the length of the...

Checking the optional trigger
Gap check «A» between the edges of the plunger and the actuator hole of the additional starting device: 1 - adjusting screw 1. Check clearance «A» between the edges of...

Checking and adjusting the accelerator pump
Accelerator pump adjustment: 1 - adjusting nut for the start of fuel supply; 2 - adjusting screw for fuel supply 1. Remove the air filter. 2. Press the throttle control...

Checking the solenoid shut-off valves
1. With the ignition on, the green wires with the yellow stripe of the solenoid shutoff valve connectors must be energized (brown wire is «massive»). 2. Disconnect the...

Removal and installation of the case of a bimetallic spring of the automatic starting device
Removing 1. Drain some of the coolant and remove the fluid chamber housing cover. 2. Remove the body of the bimetallic spring, having previously disconnected the...

Removal and installation of the fuel pump
Removing Fuel pump fitting: 1 - fuel outlet fitting to the drain valve 2 - fitting for supplying fuel from the tank 1. Disconnect the drain and fuel supply pipes from...

Valve timing (V6)
Valve timing A - mark on the camshaft B - mark on the crankshaft pulley 1 - fixed mark 2 - movable mark Removing This operation is performed on the engine removed from...