W203 since 2000 of release
Repair and car operation
+ Mercedes-Benz Cars of a class C (W-203)
+ Operation manual
+ Routine maintenance
+ cooling and heating Systems
+ Power supply system and release
- Engine electric equipment
+ ignition and engine management System
+ System of preheat of the diesel engine
+ Diagnostics of systems of electronic control and diagnostic equipment
- Charge and start systems
The storage battery - the main data and acquisition of the new battery
Check and charging of the storage battery
Replacement of the storage battery
Storage of the storage battery
Charging system - general information and security measures
Check of system of a charging
Removal and generator installation
Removal and installation of a regulator of tension. Replacement of brushes
System of start of the engine - the general information and precautionary measures
Removal and starter installation
Removal and installation of the traction relay of a starter
Check of system of start of the engine
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Onboard electric equipment
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System of start of the engine - the general information and precautionary measuresGeneral information
The unique task of system of start of the engine is ensuring rotation of the engine with a speed, sufficient for start.
The system of start consists of a starter, the storage battery, the switch of ignition, the relay and conducting. The involving relay is on the starter case.
The starter represents the electric motor of a direct current with the mixed excitement with the electromagnetic traction relay. The starter consists of the case or a stator with windings of excitement, an anchor with the obgonny coupling, covers with shchyotkoderzhatel and the traction relay.
At starter inclusion through a winding of the traction relay of a starter the current from the storage battery starts to proceed. The anchor of the relay is involved and contacts of the relay become isolated. At the same time the relay anchor via the lever moves the obgonny coupling with a gear wheel. The nave of the obgonny coupling turns on screw shlitsa of a shaft of an anchor of a starter and turns as well a gear wheel that facilitates input it in gearing with a gear wreath of a flywheel. Through the closed contacts of the traction relay there is a current feeding windings of a stator and an anchor and an anchor of a starter starts to rotate together with a nave and the obgonny coupling.
After engine start frequency of rotation of a gear wheel exceeds frequency of rotation of an anchor of a starter. In this case the obgonny coupling is freely turned, and the torque is not transferred from an engine flywheel to a shaft of an anchor of a starter. After an ignition key otpuskaniye the power-supply circuit of windings of the traction relay via the switch of ignition is disconnected, the anchor of the traction relay is wrung out by a spring in a starting position, contacts of the relay are disconnected and the gear wheel of a drive leaves gearing with a gear wreath of a flywheel.
The starter with the involving relay is located parallel to a cranked shaft of the engine and fixed on a transmission.
The starter joins, only if the AT selector is in situation P or N.
If the car is in a protection mode, the starter will not be turned.
At carrying out any works with system of start of the engine observe the following requirements.
a) Do not hold a starter included a long time. It can overheat and fail. Do not include a starter more than for 15 seconds, and before repeated inclusion wait for about two minutes. If you turn start a long time, and the engine is not started, not burned down fuel gathers in the converter. It can lead to an overheat of a working surface of the converter after engine start.
b) The starter is connected directly to the battery and at the inaccurate address can light up or cause short circuit.
c) Before the beginning of works always disconnect a weight cable from the battery.