- Maximum recoil current (at 13 V and 6000 min-1), A - 80
- Limits of regulated voltage, V - 13.2-14.7
- Gear ratio engine-generator - 1:2.16
Generator type 9412.3701 - alternating current, three-phase, with built-in rectifier unit and electronic voltage regulator, clockwise rotation (drive side).
Stator 12 (pic. 9-6) and covers 11 and 13 are tightened with four screws. The rotor shaft 18 rotates in bearings 3 and 15, which are installed in the covers. Power to the rotor winding (excitation winding) supplied through brushes and slip rings 4.
Pic. 9-6. Generator 9412.3701:
1 - rectifier block; 2 - bearing sleeve; 3 - rear bearing of the rotor shaft; 4 - contact rings; 5 - protective sleeve; 6 - output «B+» generator; 7 - gasket; 8 - casing; 9 - voltage regulator with brush holder; 10 - coupling screw; 11 - back cover; 12 - stator; 13 - front cover; 14 - remote ring; 15 - front bearing; 16 - pulley; 17 - washer; 18 - rotor.
The three-phase alternating current induced in the stator winding is converted into a direct current by a rectifier unit 1 attached to the cover 11. The electronic voltage regulator 9 is combined into one unit with a brush holder and is also attached to the cover 11.
The generator connection diagram is similar to that presented in Section 7 of this Manual. Conclusion «W» generator on VAZ-21214 vehicles is not used.
The operation of the generator is controlled by a warning lamp in the instrument cluster. When the ignition is turned on, the lamp should be on, and after starting the engine, it should go out if the generator is working. The bright burning of the lamp or its glow in full heat indicates malfunctions.
Warnings
«Minus» battery must always be connected to «weight», A «plus» - connect to output «B+» generator. An erroneous reverse connection of the battery will immediately cause increased current through the generator valves, and they will be damaged.
The generator must not be operated with the battery disconnected. This will cause transient overvoltages to occur on the output «B+» generator, which can damage the generator voltage regulator and electronic devices in the vehicle's on-board network.
It is forbidden to check the operability of the generator «for a spark» even a momentary output connection «B+» generator with «weight». In this case, a significant current flows through the valves, and they are damaged. You can only check the generator with an ammeter and a voltmeter.
It is not allowed to check the generator valves with a voltage of more than 12 V or with a megohmmeter, since it has too high voltage for the valves and they will be broken during the test (a short circuit will occur).
It is forbidden to check the car's electrical wiring with a megohmmeter or a lamp powered by a voltage of more than 12 V. If such a check is necessary, then first disconnect the wires from the generator.
It is necessary to check the insulation resistance of the generator stator winding with increased voltage only at the stand and always with the phase winding leads disconnected from the valves.
When welding components and parts of the car body, disconnect the wires from all the terminals of the generator and the battery.