To use this arrangement with a preload , attention must be paid to the amount of preload and clearanceadjustment.
若要使用此安排，预，必须注意的数额预紧力和清除的调整。
2
The Clearance adjusting mechanisms should be mounted on the brake oil cylinders in order to compensate the wear of the braking frictional plates, and generally the adjustment is by hand.
为补偿制动蹄片的磨损，在制动油缸上需设置间隙调整机构，通常所见为人工手调整。
3
The working principle and the constructional characteristics of a gear link mechanism for the clearanceadjustmentof pressure rollers in rolling machinery are discussed in detail.