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Possible malfunctions of brake systems and ways of their elimination
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Cause of defect
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Way of elimination
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The increased course of a pedal of a brake
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Air presence in hydrodrive system
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To pump over system
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The persistent ring of the piston of the back wheel cylinder has lost elasticity and under the influence of a coupling spring колодок brakes together with the piston is displaced in the cylinder
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To replace the wheel cylinder in gathering
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Infringement of tightness of brake system (liquid leak)
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To define a place of leak of a liquid and to replace the details influencing a leak. At a leak in connections of pipelines to tighten connections or to replace sealing linings
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The increased backlash between a head of an adjusting bolt of the vacuum amplifier and the piston of the main cylinder
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The Vacuum amplifier> see <
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The brake pedal slowly moves downwards at invariable effort to it and the tightened lay brake
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Damages of a cuff 14 (fig. 8.3 see)
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To replace the damaged cuff
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Brake mechanisms of all wheels or axes not completely растормаживаются (the hung out wheels rotate hardly)
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Absence of a backlash between a head of an adjusting bolt of the vacuum amplifier and the piston of the main cylinder
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The Vacuum amplifier> see <
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Incomplete returning of a pedal of a brake after braking because of wrong installation of the switch of a signal of braking
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To establish a backlash (8+1) mm (fig. 7.16 see) between a plastic tip of the switch of a signal of braking and an emphasis on a pedal
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Contamination of compensatory apertures of the main brake cylinder or overlapping of compensatory apertures by edges of cuffs 14 (fig. 8.3 see)
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To remove a tank of the main cylinder and connecting plugs 3 (fig. 8.3 see). To clean a soft wire in diameter of 0,6 mm compensatory apertures. If thus the wire rests against a cuff it is necessary to disassemble the main cylinder and to replace the inflated cuffs 14
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Not растормаживается one brake mechanism (the hung out wheel rotates hardly)
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Jamming of directing fingers in the lobby basis скобы
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To replace or grease directing fingers. To replace the damaged covers of fingers (Replacement of directing fingers> see <)
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Jamming of pistons in the case brake скобы
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To remove the case brake скобы from the basis, to remove a dirt and traces of corrosion from a surface of the cylinder of the case and to grease working surfaces with liquid НГ-213 or касторовым oil (Repair of the brake mechanism of a forward wheel> see <)
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Loss of elasticity of a sealing ring of the case brake скобы
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To remove the case brake скобы from the basis and to replace a sealing ring (Repair of the brake mechanism of a forward wheel> see <)
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Jamming колодок because of strong pollution of a directing groove of the basis
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To remove колодки and to clear directing groove and ledges of the basis of corrosion and a dirt (Replacement колодок brake mechanisms of forward wheels> see <)
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Easing or breakage of a coupling spring колодок the back brake mechanism
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To replace a spring
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Jamming of pistons of the back brake mechanism because of pollution or corrosion
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To disassemble the wheel cylinder, to clear details of a dirt and corrosion, to wash out, replace грязезащитные covers
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Swelling of sealing rings of pistons of the back wheel cylinder
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To replace sealing rings and a brake liquid
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Absence of a backlash between a brake overlay and a drum of the back brake mechanism because of wrong installation of a persistent ring of automatic adjustment
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To disassemble the wheel cylinder, to eliminate a warp of a persistent ring
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Drift or car withdrawal aside at braking
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Unequal pressure of air in tyres
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To finish pressure in tyres to norm
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Замасливание frictional overlays in one of brake mechanisms
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To replace колодки or to wash out overlays gasoline with the subsequent grinding by a small skin and careful removal of an abrasive dust from an overlay
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Teases or deep risks on a surface of a brake disk or a drum
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To repair or replace a disk or a brake drum in gathering with a nave
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Leak of a brake liquid in one of forward brake mechanisms or wheel cylinders
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To eliminate a leak
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Back wheels are blocked before lobbies because of malfunction of a regulator of pressure or wrong adjustment of its drive
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To adjust or replace a pressure regulator (Adjustment of a regulator of pressure> see <)
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Insufficient efficiency of braking (the increased effort to brake pedals)
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Deterioration or замасливание brake overlays
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To replace or wash out brake колодки
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Incomplete прилегание overlays to a drum in back brake mechanisms
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To smooth out acting places at overlays. If necessary to replace колодки
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Thinness in connection of a vacuum hose
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To restore tightness of connection
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The filter 14 (fig. 8.2 see) vacuum amplifier of brakes is polluted
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To wash out the filter or to replace new
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The diaphragm 7 or 8 (fig. 8.2 see) vacuum amplifier of brakes is torn
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To replace a diaphragm
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Sealing cuffs 13 (fig. 8.2 see) vacuum amplifier of brakes do not provide tightness
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To replace cuffs and to smooth out cylindrical working surfaces of the case of valves and a connector
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Tightness infringement in connection of a cover 6 (fig. 8.2 see) with the case 11 vacuum amplifiers
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To restore tightness
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Tightness infringement in connection of the vacuum amplifier with the case of the main cylinder
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To replace a sealing ring 12 (fig. 8.2 see)
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Failure of the vacuum amplifier as a result of hit of a brake liquid in a cavity of the vacuum amplifier
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To replace sealing cuffs of the main cylinder, to remove a liquid from the amplifier and to replace a diaphragm
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Jingle in brake mechanisms
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Ovality or palpation of a working surface of brake drums of back wheels
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To chisel brake drums in gathering with a nave or to replace with the new
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Breakage of springs колодок a disk brake
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To replace brake колодки (Replacement колодок brake mechanisms of forward wheels> see <)
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Deterioration of directing fingers of the brake mechanism of a forward wheel
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To replace directing fingers (see <Peмонт the brake mechanism of a forward wheel>)
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Deterioration of apertures under directing fingers in the basis brake скобы
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To replace the basis
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For car deduction the big effort to the handle of a lay brake is required
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Jamming of cables in directing covers
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To disconnect cables, to clear of a dirt, to grease cables and their connections by greasing <League>
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Замасливание overlays of back brake mechanisms
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To wash out overlays or to replace колодки with overlays
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The lay brake is incorrectly adjusted
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To adjust a drive of a lay brake (Adjustment of a drive of a lay brake> see <)
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The big course of the handle of the lever of a drive of a lay brake
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The big free wheeling разжимного a link of a drive of a lay brake in brake mechanisms of back wheels
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To adjust a drive of a lay brake (Adjustment of a drive of a lay brake see <)
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Heating of brake drums at movement without braking
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Wrong adjustment разжимного a link of a drive of a lay brake
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To adjust a drive of a lay brake
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The lowered level of a brake liquid in a tank of the main brake cylinder in the absence of an external leak in a hydrodrive
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Deterioration or swelling of an external cuff 8 (fig. 8.3 see) main brake cylinder
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To remove the main brake cylinder and to replace a cuff. To merge from a cover 6 (fig. 8.2 see) vacuum amplifier a brake liquid
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