裝載機由動力裝置、底盤和工作裝置3個主要部分組成，它的變速箱在掛擋時，不能順利進入擋位。主要原因有以下幾個方面。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.裝載機的壓力閥壓力過低。Shandong loader pressure valve pressure is too low.

2.裝載機液壓泵工作不良，密封不好。Shandong loader hydraulic pump bad work, poor seal.

3.裝載機的液壓管路堵塞。Shandong loader hydraulic pipeline plugging.

4.裝載機離合器密封圈損壞、泄露。Shandong loader clutch seal ring damage, leakage.

5.裝載機的掛擋閥桿不到位。 Shandong loading gear stem in place machine.