10.1.4. 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 the index of tension shows lower than 12 V
Tension regulator is faulty
To replace tension regulator
The drive belt is poorly tense
To pull a belt
Wire breakage from conclusions <+> or <Ш>
To make repair of wires
Is absent or unreliable contact between brushes and contact rings
To clear the brush holder of dirt, to check effort of brush springs, to smooth out or pierce contact rings
Break of a chain of excitement
To eliminate break of a chain, especially carefully to check places of the soldering of conclusions of the coil of excitement to contact rings and serviceability of conclusions of the coil
Mezhvitkovy short circuit or break in a chain of one of phases of a statorny winding of the generator
To disassemble the generator, to check a statorny winding for lack of break and short circuit. To replace the stator with a faulty winding
Failure of one of diodes of the vypryamitelny block
To check diodes by means of devices or a control lamp. To replace the block with faulty diodes
Bystry wear of brushes and contact rings
Increase in a beating of contact rings
To pierce and grind kontaktay rings
Hit of oil on contact rings
To wipe contact rings and brushes with the napkin moistened in gasoline
The Povyshnny or lowered pressure of brush springs
To check pressure of brush springs
The increased noise of the generator
Insufficient amount of lubricant in bearings
To replace bearings
Zadevaniye of a rotor for starter poles
To replace a generator cover
Wear of bearings
To replace bearings
Jamming of bearings
To replace bearings
Development of a seat under the bearing
To replace a generator cover
The inhaling of coupling screws of covers of the generator weakened
To make an inhaling of coupling screws the moment of 0,5 kgfs · m
Breakage of an arm and paws of fastening of the generator. Frequent weakening of fastening of the generator
The wrong installation of the generator on arms
To install the generator (see <installation of the generator on the engine>)
The increased imbalance of a pulley or rotor
To check dynamic balancing of a pulley and rotor. If the imbalance exceeds 10 гс · m, to make balancing of details
The raised engine imbalance
To check dynamic balancing of the engine