摇臂和发动机是搅拌车的重要组成部分，在拆卸和安装摇臂时，应从五个方面检查摇臂总成，下面让我们一起来看看怎么回事吧。

The rocker arm and engine are important components of the mixer. When removing and installing the rocker arm, we should check the rocker arm assembly from five aspects. Let's see what happened next.

水泥搅拌车如何检查摇臂总成

How to check the rocker arm assembly of cement mixer truck

检查摇臂球面接触部位的磨损情况。如果有轻微的磨损槽，可以用油石或研磨机进行研磨。如果磨损严重，应更换摇臂。

Check the wear of the spherical contact part of the rocker arm. If there is a slight wear groove, you can grind it with an oilstone or a grinder. If the wear is serious, replace the rocker arm.

对于带气门间隙调整螺钉的摇臂，应检查摇臂上的调整螺钉、锁紧螺母和螺孔是否完好，如有损坏应更换。

For rocker arms with valve clearance adjustment screws, check whether the adjustment screws, lock nuts and screw holes on the rocker arms are intact, and replace them if damaged.

对于带有滚动轴承的浮动摇臂，应检查其轴承，如果严重磨损或损坏，应更换摇臂。

For floating rocker arms with rolling bearings, check their bearings. If they are seriously worn or damaged, replace the rocker arms.

安装在摇臂轴上的摇臂，测量摇臂衬套内径和摇臂轴外径，检查配合间隙，维修超过允许限度时更换零件或总成。

For the rocker arm installed on the rocker arm shaft, measure the inner diameter of the rocker arm bushing and the outer diameter of the rocker arm shaft, check the fit clearance, and replace the parts or assemblies when the maintenance exceeds the allowable limit.

检查摇臂是否完全变形。如果超过允许极限，则纠正或更换摇臂轴。

Check whether the rocker arm is completely deformed. If the allowable limit is exceeded, correct or replace the rocker shaft.

水泥搅拌车如何检查发动机预热

How to check engine preheating of cement mixer

发动机预热前的检查：检查液压油的存储量，检查减速器的润滑油有无泄露，检查液压系统的液压油有无泄露，各接头部位是否有渗漏现象，检查操纵装置的操纵手柄是否置于停止位置，检查各连接紧固件不能有松动现象。

Inspection before engine preheating: check the storage capacity of hydraulic oil, check whether the lubricating oil of reducer leaks, check whether the hydraulic oil of hydraulic system leaks, check whether there is leakage at all joints, check whether the joystick of the control device is placed in the stop position, and check whether all connecting fasteners are not loose.

发动机预热时的检查部位：检查油泵有无异常声音，检查液压马达有无异常声音，检查减速器有无异常声音，查水泵是否正常转动，检查混凝土搅拌车搅拌筒的进料回转是否正常，能否进行正常的工作回转。

Inspection parts during engine preheating: check whether the oil pump has abnormal sound, whether the hydraulic motor has abnormal sound, whether the reducer has abnormal sound, whether the water pump rotates normally, whether the feeding rotation of the mixing drum of the concrete mixer truck is normal, and whether the normal working rotation can be carried out.

搅拌车各连接螺栓的拧紧力矩检查：副车架与主车副梁的连接、减速机与罐体等采用高强度螺栓，需要定期拧紧。时间不能超过两个月，是不同螺栓的拧紧力矩值。

Tightening torque inspection of connecting bolts of mixer truck: high strength bolts are used for the connection between subframe and auxiliary beam of main truck, reducer and tank body, which need to be tightened regularly. The time shall not exceed two months, which is the tightening torque value of different bolts.

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