过去我们换气门座圈,总是凿子凿,撬棒撬,轻则把气门座孔凿毛(如修复不好就把座圈压上,产生歪斜,很难校正),重则将缸盖水道孔凿穿,使之报废。最近我们做了一个气门座圈拉出器(见图),经使用安全可靠,现将使用方法介绍如下: 首先将拉爪座6放到座圈9内,视拉爪尖对准气门座圈9高度的1/2处,用一只手扶住拉不座6,另一只手转动锁紧手柄1,使三个拉爪尖顶进座圈9,然 In the past we change the valve seat, always chisel chisel, crowbar rod pry, ranging from the valve seat hole cutting (if the repair is not good put the seat pressure on, resulting in skew, difficult to correct), while the cylinder head Water hole drilling, so scrapped. Recently, we have made a valve seat puller (see photo), the use of safe and reliable, the use of methods are introduced as follows: First pull the claw seat 6 into the seat 9, depending on the claw tip alignment valve seat 9 Height of 1/2, with one hand hold the seat 6, the other hand turn the locking handle 1, so that the three claws into the top of the seat 9,