15:21. Search and elimination of malfunctions
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Sign
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Probable cause
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Elimination method
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| Noise or vibration when braking | The support or brake board is incorrectly established | Correctly establish a support or a brake board |
| The support or brake board is unreliably fixed | Tighten bolts of fastening of a support or a brake board | |
| The brake drum or disk is unevenly worn-out or split | Replace the brake drum or a disk | |
| Foreign objects in the brake drum | Clear the brake mechanism | |
| The contact surface of a brake shoe is jammed or damaged | Replace brake shoes | |
| Excessive gap between a support and brake shoes | Adjust a gap | |
| Uneven contact of a brake shoe | Replace brake shoes | |
| Lack of lubricant in mobile elements of brake mechanisms | Grease mobile elements of brake mechanisms | |
| Suspension bracket elements are not tightened | Tighten suspension bracket elements | |
| When braking the car takes away in one party | Different pressure in tires on right and left | Check and adjust pressure in tires |
| The angles of installation of forward wheels are broken | Adjust the angles of installation of forward wheels | |
| Uneven contact of a brake shoe | Replace brake shoes | |
| On brake shoes lubricant got | Replace brake shoes | |
| Buckling or uneven wear of the brake drum | Replace the brake drum | |
| Wrong installation of the working brake cylinder | Correctly install the working brake cylinder | |
| Violation of functioning of automatic adjustment of gaps of brake shoes | Adjust the mechanism of automatic adjustment of gaps of brake shoes | |
| Low brake effort | Low level of brake fluid | Add brake fluid |
| Air in the brake system | Pump over the brake system | |
| Violation of efficiency of the vacuum amplifier of brakes | Check efficiency of the vacuum amplifier of brakes | |
| Uneven contact of a brake shoe | Replace brake shoes | |
| On brake shoes lubricant got | Replace brake shoes | |
| Violation of functioning of automatic adjustment of gaps of brake shoes | Adjust the mechanism of automatic adjustment of gaps of brake shoes | |
| The brake disk is overheated | Cool a brake disk | |
| The tube of the brake system is hammered | Clear or replace a tube of the brake system | |
| Violation of functioning of the regulator of pressure | Replace pressure regulator | |
| The brake pedal course is increased | Uneven contact of a brake shoe | Pump over the brake system |
| Leak of brake fluid | Eliminate places of leak of brake fluid | |
| Violation of functioning of automatic adjustment of gaps of brake shoes | Adjust the mechanism of automatic adjustment of gaps of brake shoes | |
| Excessive gap between a pusher of the vacuum amplifier of brakes and the main brake cylinder | Adjust a gap between a pusher of the vacuum amplifier of brakes and the main brake cylinder | |
| Prikhvatyvaniye of brakes | Incomplete switching off of the parking brake | Adjust the parking brake |
| Wrong adjustment of the parking brake | Adjust the parking brake | |
| The returnable spring of a pedal of a brake is worn-out | Replace a returnable spring of a pedal of a brake | |
| The returnable canal of the main brake cylinder is filled | Clear channels of the main brake cylinder | |
| The pulling together spring of back brake shoes is broken | Replace a spring | |
| Lack of lubricant in mobile elements of brake mechanisms | Grease mobile elements of brake mechanisms | |
| The control valve of the main brake cylinder or spring of return of the piston is faulty | Replace the control valve or a spring | |
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Unreliable zatormazhivaniye of the car parking brake
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Excessive gap between a pusher of the vacuum amplifier of brakes and the main brake cylinder | Adjust a gap between a pusher of the vacuum amplifier of brakes and the main brake cylinder |
| Brake shoes of back drum brakes are worn-out | Replace brake shoes | |
| On brake shoes lubricant got | Replace brake shoes | |
| Jamming of a cable of the parking brake | Adjust work of a cable of the parking brake | |
| Violation of functioning of automatic adjustment of gaps of brake shoes | Adjust the mechanism of automatic adjustment of gaps of brake shoes | |
| Excessive course of the lever of the parking brake | Adjust the course of the lever of the parking brake or check laying of a cable of the parking brake |