装载机由动力装置、底盘和工作装置3个主要部分组成，它的变速箱在挂挡时，不能顺利进入挡位。主要原因有以下几个方面。Shandong loader by the power device, chassis and working device is composed of 3 main parts, its gearbox in hanging gear, can not smoothly into the gear. The main reasons are as follows.

1.装载机的压力阀压力过低。Shandong loader pressure valve pressure is too low.

2.装载机液压泵工作不良，密封不好。Shandong loader hydraulic pump bad work, poor seal.

3.装载机的液压管路堵塞。Shandong loader hydraulic pipeline plugging.

4.装载机离合器密封圈损坏、泄露。Shandong loader clutch seal ring damage, leakage.

5.装载机的挂挡阀杆不到位。 Shandong loading gear stem in place machine.