自走式小麦联合收割机在使用过程中引起故障的原因大多是机件磨损 ,变形或质量差 ,安装调整不正确 ,使用维护不当或修理质量不良造成的。预防故障的发生可以减少停车、延长机器的使用寿命 ,保证机器工作质量和提高生产率。现对该机主要工作部件常见故障的原因进行分析并提出预 Self-propelled wheat combine harvester in the course of the cause of the failure are mostly mechanical wear and tear, deformation or poor quality, installation and adjustment is not correct, the use of improper maintenance or repair caused by poor quality. Prevention of failure can reduce parking, extend the life of the machine, to ensure the quality of the machine work and improve productivity. Now the main reason for the main components of the machine failure analysis and put forward