Why can't the manual hydraulic truck be pressed normally?

In the process of using manual hydraulic trucks, it is impossible to maintain normal operation for a long time. There will be more or less problems like this, which will bring trouble to our handling work. In order to help everyone solve the problem in time, the manual hydraulic The three reasons why the truck cannot be lifted normally are explained below.

1. When there is air in the pump cylinder, it will cause difficulty in pressing the car

Solution: Manual hydraulic trucks generally have three gears, the middle is the positioning gear, this gear will neither rise nor fall, and the upshift is neutral, that is, the falling gear and the pressure relief gear. We only need to dial up the gear of the manual hydraulic truck, and then press the handle a few times as usual. Although the car body will not rise at this time, it can effectively remove the air in the pump body. Pull the handle knob and shake the handle 10 times in the whole process, and the air will be automatically removed.

2. The adjustment bolt is too close or the adjustment screw is too tight, so that the valve is always open.

Solution: You can check the unloading striker of the truck. If it is too close to the left side, the steel ball cannot be closed. You can use a wrench to loosen the nut, then turn the screw counterclockwise. position, shake the handle until the truck can rise normally, and then tighten the nut.

3. There is no hydraulic oil or the purity of the oil is not enough, which can lead to difficulty in pressing the car.

Solution: refuel or replace the hydraulic oil with better quality.

Although the manual hydraulic truck will have small problems temporarily, as long as we maintain it according to the correct solution, the small fault can be quickly solved. If the truck has a more serious fault, it must be repaired by a professional maintenance organization.

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