REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz E-Class

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Mercedes-Benz
	E-class
		Introduction
		Description of the model Mercedes E-Class
		Working conditions and tools
		Car Care
		Diesel engines
		Petrol engines
		Transmission
			Overview
			Clutch
			Manual gearshift
			Automatic transmission (automatic transmission)
				The principle of the automatic transmission
				Torque Converter
				Check AKP
				Troubleshooting automatic transmission, their causes and remedies
			The propeller shaft
			Differential
			Drive shafts of the rear wheels
			Matic (all-wheel drive version) (only on certain models with petrol engine)
		Chassis
		The brake system
		Electrical
		Shop
		Body
		Applications
		Diagrams

printable version

The principle of the automatic transmission

Fig. 6.11. The planetary gear automatic transmission 1 - driven element; 2 - locked member

The basis of the so-called automatic transmission is a planetary gear. It consists of a gear (sun gear), around which the other three gears (satellites). The design closes the external gear with internal teeth (ring gear). Unique way of connecting gears. The planetary gear mechanism is in constant engagement. Stepped transfer occurs without interrupting the flow of torque thanks to the inclusion of lock and freewheel satellites, solar and ring gear (Fig. 6.11).

Shifting is thus done without breaking the flow of power. Lock and launch carried out multi-disc brakes and hydraulic clutch. In a multi-stage automatic transmission installed in a number of three planetary gear. That's the way the automatic transmission with three forward and one reverse gear.

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