1, steering knuckle is the wheel steering hinge, generally in a fork shape. The upper and lower forks have two coaxial holes for mounting the kingpin, and the knuckle journal for mounting the wheels. The two lugs of the pin hole on the steering knuckle are connected with the boxing part at both ends of the front axle through the kingpin, so that the front wheel can deflect around the kingpin at a certain Angle to make the liugong excavator accessories turn.

2. In order to reduce wear, the bronze bushing is pressed into the pinhole of the steering knuckle. The lubrication of the bushing shall be lubricated by injecting grease into the nozzle mounted on the steering knuckle. To make the steering flexible, a bearing is arranged between the steering knuckle and the fist part of the front axle. An adjusting gasket is arranged between the upper ear of the knuckle and the fist part to adjust the gap.

Use model：grader4180