1 Pay attention to the lubrication condition of the support pin of the front wheel disc brake. Otherwise, it will cause front wheel drag and uneven wear of the inner and outer shoe blocks.
2 When replacing the front brake shoe, it must be done after the piston of the branch pump is completely returned to the bottom. Otherwise, the brake of the front wheel will be sluggish and fever will occur in the early stage of use.
3 The brake shoes in the rear wheel drum brake have different effects of force reinforcement due to the front and rear panels, which may cause uneven wear of the front and rear panels.
4 The lubrication of the rear brake brake shoe and the brake drum clearance automatic adjustment device can not be ignored. If necessary, the sliding surface can be lubricated with high-temperature resistant lithium grease, but the amount must be less so as not to contaminate the brake shoes and the system. Drum.
5 When replacing the front brake cylinder seal, it must be absolutely clean. When assembling, it is best to use a special rubber grease to smear the mating surface. If there is no special rubber grease, brake fluid can be used instead.
6 When the brake fluid is selected and stored, it is better to use the original vehicle brake fluid, followed by the domestically produced synthetic brake fluid of the same type, and it is forbidden to mix the two brake fluids.
When the refueling car is stepping on the brake pedal, the brake pedal can be stepped on with a strong force. The main reason for the heavy damage is the damage of the vacuum booster. First of all, you should check if the vacuum hose connector is loose and the rubber hose is obstructed, then the air filter is dirty and blocked. If the air cleaner on the vacuum booster is dirty and the air flow is blocked during braking, the brake performance can be restored after the air cleaner is cleaned. If the vacuum hose connector screw is loose, the rubber hose is aged, there is no negative pressure in the vacuum cylinder, and the driver riding the brake pedal has no effort.
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