10.3.2. Possible malfunctions of the generator and ways of their elimination

Possible malfunctions of the generator and ways of their elimination
Cause of defect
Way of elimination
During the operation of the engine on average turns of the shooter of the index of tension shows voltage below 12 V
The driving belt is poorly tense
To pull a driving belt
Tension regulator, brush knot or winding of excitement (at inclusion of ignition the control lamp in a combination of devices does not burn) is faulty
To check serviceability (see <repair of the generator>)
Jamming of brushes in channels of the brush holder
To clear brushes and the brush holder of dust and dirt
Podgoraniye, oxidation go wear of contact rings of a rotor
To smooth out or pierce contact rings (see <repair of the generator>)
Break of a winding of excitement
To check, if necessary to replace (see <repair of the generator>)
The vypryamitelny block is faulty
The faulty block to replace (see <repair of the generator>)
Break or mezhvitkovy short circuit in windings of the stator or a rotor
The stator or rotor with the damaged windings to replace (see <repair of the generator>)
The index of tension shows voltage over 16 V
Tension regulator is faulty
To check tension regulator. On the plug <V> and <-> the generator to connect the voltmeter on 30 V of a class 0,5-1. To start the engine, to establish the frequency of rotation of the engine on a tachometer within 1000-1200 min.-1. To turn on the dimensional light to replace the indication of the control voltmeter. Tension has to be in limits 13,5-14,2 B, at a temperature of generator of 25+5 °C. If tension does not keep within the specified limits, to replace tension regulator
The increased noise during the operation of the generator
Zadevaniye of a rotor for a stator pole
The faulty bearing or the plastic holder of the bearing in a cover to replace (see <repair of the generator>)
Weakening of coupling screws of covers of the generator
To tighten the screw with the moment of 0,5-0,6 kgfs · m
Jamming of bearings
Faulty bearings to replace (see <repair of the generator>)
Development of a seat under the bearing from brush knot
If necessary to replace the plastic holder of the bearing (see <repair of the generator>)