>> Systems of an electric equipment of the engine
>> Charge and start systems
>> System of start of the engine - the general data and security measures
System of start of the engine – the general data and security measures
The general information
Design of the starters established on petrol models
Design of the starters established on diesel models
Unique problem of system of start of the engine is maintenance of rotation of the engine with a speed, sufficient for its start.
The start system consists of a starter, the traction relay, the storage battery, the switch of ignition and connecting electroconducting.
At поворачивании the ignition key in position START through a winding of the traction relay of a starter the current from the storage battery starts to proceed. The relay anchor is involved also contacts become isolated. Simultaneously, anchor movement through the executive lever is transferred to a drive with обгонной муфтой, and the nave муфты turns on screw шлицах a shaft of an anchor of a starter, turning as well a gear wheel that facilitates input of last in gearing with a gear wreath of a flywheel. Through the closed contacts of the traction relay passes a current feeding windings статора and anchors therefore the anchor starts to rotate together with a nave and entered into gearing with a flywheel equipped обгонной муфтой приводной a gear wheel.
After realisation of start of the engine frequency of rotation of a gear wheel begins exceeds frequency of rotation of an anchor of a starter, thus обгонная муфта is freely turned, blocking transfer of a twisting moment from an engine flywheel on a shaft of an anchor of a starter. After отпускания the ignition key the feed circuit of windings of the traction relay through the ignition switch is disconnected, the anchor of the traction relay is wrung out by a spring in a starting position, relay contacts are disconnected and приводная the gear wheel leaves gearing with a gear wreath of a flywheel.
The starter with the involving relay is located to in parallel cranked shaft of the engine and fixed on картере transmissions.
Starter activation occurs only at the squeezed out pedal of coupling (model with Manual transmission) / translated in position «N» or «Р» selector AT lever, - that is provided with inclusion in a chain of system of start of the special gauge-switch of disconnection of a chain of a starter (Manual transmission) / start permissions (АТ).
- In order to avoid an electromotor exit out of operation as a result of an overheat do not activate a starter continuously for the period of more than 15 seconds, - before repeated inclusion wait not less than 1 minute. Long ineffectual проворачивание the engine leads to a congestion of not burnt down fuel in каталитическом the converter that is fraught with an exit of the last out of operation as a result of ignition at start realisation;
- The starter is connected directly to the storage battery and the negligent reference with it can be at the bottom of ignition as a result of short circuit, - before the beginning of works on starter service always disconnect from the battery a negative wire.