At the appropriate time the track pin and pin sleeve upside down

In the wear process 160hp hydraulic bulldozer pin and pin bush, the track is gradually stretched away steadily, resulting in poor driving wheel engages with the pin set, resulting in breakage and drive pin sets abnormal wear tooth surfaces, it will cause hunting, beat, impact greatly shorten the life of the running gear. By adjusting the tension level when the recovery is still not pitch, you need to hydrostatic drive bulldozer pins and collars upside down to get the track right away steadily. There are two decisions in the field of the track pin and pin bush plane turning moment; one way is to check the time and pulling steadily set track 3mm; the other way is to check the lock pin wear sleeve outer diameter 3mm moment.