REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 3 (2003 release)

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Mazda
	3
		Operation and maintenance of car
		Engine
			General description new engines models L8, LF, L3
				The mechanical part of engines
					Cylinder head cover
					Cylinder Head
					Cylinder head gasket
					Cylinder block
					The crankshaft and main bearing
					Balancing unit
					The principle of operation of the balancing unit
					Vibration damper crankshaft
					Engine Front Cover
					Piston
					Piston rings and piston pin
					The connecting rod and connecting rod bearing
					The valve mechanism - general information
					Camshaft
					Camshaft sprocket
					Crankshaft sprocket
					Timing chain drive
					Chain tensioner timing
					Valve, valve springs, valve stem seal, Valve Guides
					Tappet
				Variable valve timing mechanism
				Lubrication system
				Cooling system
				Fuel system
				Exhaust and Emission
				Electric motors
			The mechanical part of engines
			Appendix 1
			Annex 2
			Appendix 3
			Engine Z6 - mechanical part
			Lubrication system
			Cooling system
			Intake system
			Fuel system
			Exhaust and Emission
			Ignition system
			Control system
			Tables
		Transmission
		Chassis
		Steering Gear
		Brakes
		Onboard electric
		Body

printable version

Vibration damper crankshaft

Fig. 2.14. Vibration damper crankshaft 1 - vertical projection; 2 - cross section; 3 - a gear pulley of a cranked shaft; 4 - the insertion hole of the pulley; 5 - vibration damper

Vibration damper to prevent fluctuations in the crankshaft gear is integrated in the crankshaft pulley. Notch mounting key, which is normally used for mounting the pulley on the crankshaft, no. To align the crankshaft pulley on the crankshaft, it is necessary to use the mounting holes on the front cover of the engine and the crankshaft pulley. Anchor bolt crankshaft pulley has a torque in the zone of plasticity tightening is carried out in two steps. This ensures the stability of the axis of bolt tightening (Fig. 2.14).

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The principle of operation of the balancing unit

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Engine Front Cover