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