(一) 收回大小臂卸掉挖掘机小臂前端的挖斗,铲斗油缸及连杆总成;
(1) Retract the large and small arms to remove the bucket, bucket oil cylinder, and connecting rod assembly from the front end of the excavator's small arm;
(二) 正确安装方法,要打出斗杆缸杆头销;收回斗杆油缸后用铁丝固定,不要让缸杆滑出,以免碰伤;
(2) The correct installation method is to knock out the stick cylinder rod head pin; After retracting the bucket rod oil cylinder, fix it with iron wire and do not let the cylinder rod slide out to avoid injury;
(三) 打出斗杆油缸缸尾销;用吊机取出斗杆油缸;
(3) Knock out the tail pin of the stick cylinder; Use a crane to remove the stick oil cylinder;
(四) 正确安装挖掘机加长臂,要打出大臂叉销,取出标准小臂;
(4) To install the excavator extension arm correctly, it is necessary to punch out the large arm fork pin and take out the standard small arm;
(五) 打出动臂油缸杆头销(大臂中销),打出大臂座销,取出标准大臂。
(5) Drive out the boom cylinder rod head pin (boom center pin), drive out the boom seat pin, and take out the standard boom.
(六)然后用吊机把加长大臂对准大臂座,把大臂座销装进去,再把动臂油缸杆头销装入大臂中孔中。
(6) Then use the crane to align the extended boom with the boom seat, install the boom seat pin, and then install the boom cylinder rod head pin into the middle hole of the boom.
(七)再用吊机把小臂吊起来,对准大臂叉位置,把大臂叉销打入。
(7) Then use a crane to lift the small arm, align it with the position of the large arm fork, and drive in the large arm fork pin.
(八)再用吊机把斗杆油缸对好位置,把斗杆缸尾销和斗杆缸杆头销安装好。
(8) Use a crane to align the bucket cylinder in position, and install the tail pin and head pin of the bucket cylinder.
(九)后续和安装斗杆油缸一样,把铲斗油缸装好,再把连杆总成及挖斗装好即可。
(9) Subsequently, just like installing the bucket cylinder, install the bucket cylinder, and then install the connecting rod assembly and bucket.