Carburetor 2E3 — design description Attention: Since March 87, cars with engines with a capacity of 78 hp (engine index DG), which have special equipment such as power steering, air conditioning or automatic...
Throttle control test The throttle control is required for automatic control of starting, top speed, warm-up rpm, idle speed, thrust position, and engine stop. The throttle valve regulator is an...
Removal and installation of the carburetor 2E4 Attention: On carburetor 2 E 4, additionally disconnect the wires of the speed stabilization device. Removing Disconnect ground wire from battery. Remove air filter. Move the...
Checking and adjusting the idle speed and CO content Carburetors 2E3 and 2E4 Attention: On the 2E4 carburetor, only the CO content is regulated. See end of section for idle speed check. Warm up the engine, the oil temperature should...
Engine start automatic system The automatic engine start device has electric and water heating. Electric heating is turned off by a thermostat in the cooling circuit when the coolant temperature is above 55°C....
Partial load duct heating test A heating element is installed in the carburetor to heat the partial load channel. The heating element prevents carburetor icing. A defect in the heating element leads to...
Checking and adjusting idle speed of a cold engine Throttle gap adjustment can also be made through the idle speed of a cold engine. This has the advantage that it is not necessary to remove the carburetor for adjustment. The idle...
Checking and adjusting the size of the air damper gap Adjusting the size of the air damper gap is carried out after a complete overhaul of the carburetor or in case of poor engine acceptance and in case of transient disturbances. A...
Checking the Pulldown Device The Pulldown device is used in the carburetor so that when the air damper is closed (cold start system works) when giving gas, slightly open the air damper. Opening is done in two...
Checking the idle shutoff valve The idle shut-off valve, when the ignition is turned off, stops the supply of the idle mixture and additional mixture to the mixing chamber. This prevents the continuation of the...
Carburetor inlet pipe 2E3 and 2E4 Removing the intake pipe see section on carburetor 34 PICT . Removing the intake pipe heater see section on carburetor 34 PICT . Intake pipe heater check, see section on...
Basic data of the carburetor 2E3 and 2E4 Basic data of the carburetor 2E3 and 2E4 1) Comply with the conditions for checking and adjusting 2) Syncro: 025129015 G 3) Idle speed is not adjustable, automatic adjustment
Checking the thermostat housing and vacuum diaphragm The intake air temperature is at least 20°C. Disconnect hoses -1- and -2- from thermostat -3- and connect them together. When idling, disconnect hose -2- from vacuum diaphragm...