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15.轴瓦应怎样刮配? 答:虽然根据轴颈刮配轴瓦的效率较低、质量较差,但是在缺乏修理设备或小修、临时修理时,仍是需要的。轴瓦刮削应用三角刮刀,也可用废活塞环。 (1)连杆轴瓦的刮配将带轴瓦的连杆按缸次、方向装在连杆轴颈上,拧紧连杆螺栓至转动连杆有阻力(一般扭矩在20～40牛·米较合适)。转动连杆使轴瓦与轴颈摩擦,然后拆下连杆检查轴瓦上的摩擦接触印痕,根据接触印痕进行刮削。一般刚开始时印痕都在轴瓦分
15.What kind of bushings should be shaved? A: Although the shaving bushings according to the journal have low efficiency and poor quality, they are still needed in the absence of repairing equipment or minor repairs and temporary repairs. Trim blade scraper scraper can also be used waste piston ring. (1) Scraping of connecting rod bearing bush The connecting rod with bearing bush shall be installed on the connecting rod journal according to the cylinder times and the direction, and the connecting rod bolt will be tightened until there is resistance to the rotating connecting rod (general torque is 20-40 Nm ). Turn the connecting rod to make the bearing bush rub with the journal, and then remove the connecting rod to check the friction contact mark on the bearing bush, and scrape according to the contact impression. Impressions are generally at the beginning of the bearing points