打开变速器盖,用撬棒撬动拨叉,检查拨叉轴的滑动情况。检查拨叉轴是否能灵活地在孔内滑动,检查锁定销与锁定弹簧是否能灵活地在销孔中滑动。档位摘不下来的原因可能有1、拨叉轴卡滞。2、两根泄油槽的相互位置不合适,摘挡时啃伤。3、互锁销过短,很容易造成锁销卡死。
解决方法有1、拨叉轴不光滑者,可用0号砂布打磨光滑后再装上。2、拨叉轴泄油槽损伤时,应予以修复。3、互锁销过短时,应更换新件。
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