推耙机是在推土机的基础上,将其推土铲改为推耙铲、将其倾斜缸回路改为调角缸回路而成。推耙机主要用于港口船舱的清舱工作,可对船舱角落进行高效清理。推耙机进入船舱需使用起重机吊入,吊运次数较多。推耙机为前、后双向工作,因此其发生的故障与推土机有所不同,STR13型推耙机发动机前端支架固定螺栓断裂即是其一种故障。1.故障现象1台山推STR13型推耙机,其发动机前端V Push rake is based on bulldozers, the bulldozers will be changed to push rake shovel, the tilting cylinder circuit to adjust the tank cylinder made. The push rake is mainly used for the clean-up work of the port cabins, which can effectively clean the cabin corners. Push rake into the cabin need to use cranes hanging, lifting more often. Push the rake machine before and after the two-way work, so its failure is different with the bulldozers, STR13 push rake engine front bracket fixing bolts rupture is a failure. 1. Symptom 1 Taishan push STR13 pushing rake, the engine front V