The main lubrication problems of the grease of the guide pin of the cylinder:

※, react with the rubber dust cover to accelerate the aging of the dust cover;

※, grease loses high temperature when braking;

※, After prolonged use, the grease on the guide pin will be cemented, and the brakes will be locked under more serious conditions;

Solution:

※, Only with a large number of different brands of car dust cover rubber compatibility test, to ensure that the rubber volume expansion rate is within 5% volume change rate,

※, the use of high temperature resistant grease can prevent high temperature loss, and can not produce residual carbon after aging;

※ The choice of base oil and the choice of thickener type is the key to ensure that the grease does not cement. ...