Repair of a hydraulic jack. Causes of breakdowns and their elimination

In all works where the load must be raised to a small height, a hydraulic jack is used.

Most often it can be seen in locksmith's workshops, on construction sites, in equipment repair shops.

But, as in any other mechanism, its work fails, and then the repair of the hydraulic jack is inevitable.

The unit is fluid driven, so the mainThe failure of such a lifting mechanism is an oil leak. Due to the insufficient amount of oil air enters the working cavity, which slows down or makes impossible the operation of the lift.

Problems can be solved in one of three ways:

• contact the workshop;
• repair the hydraulic jack yourself;
• throw away the old gear and buy a new one.

Most often, the simplest and less costly method is chosen - repair on your own.

To determine the cause of the breakdown of the jack must be disassembled. Old liquid is drained into a specially prepared container. Next, you need to remove the pistons and inspect them for the presence of rust.

The most important detail in the construction of jacks -this is stock. It is checked for curvature. If there is a deformation, then we can surely state that the repair of the hydraulic jack is impossible.

It is necessary to examine the valve that allows oil to pass through.It can also fail due to mechanical deformation. In this case, it is replaced with a new one. But most often the valve is just dirty, the ball is loose in the saddle, so the fluid is leaking.

Having disassembled the jack, thoroughly rinse all parts from the remnants of dirt and oil.

Used oil must be drained by pumping the system with vertical movements of the lever.

If there are cuffs, pads and othersealing parts, they must be completely replaced with new ones. What is it done for? In any previously used gasket, there is already a defect, even if it is not visible, which will necessarily manifest itself with increasing pressure.

Fresh oil is poured. This repair hydraulic jack ends.

Important.Before assembling the jack must be pumped. Bleeding will remove remaining air from the system. If you forget to do this, the performance of the mechanism will fall, or it will not work at all.

If you do not have full confidence that you will be able to carry out a quality repair - take the device to the workshop.

Repair of hydraulic jacks is troublesome, therefore only specially trained people will perform repairs with quality and with a guarantee of this quality.

And at the end - advice for car enthusiasts. Who else but they most often use jacks. So you should always have it with you. Which jack to choose?

It will be easy to buy a car jack if you apply the following algorithm:

• determine the load capacity;
• select the maximum lift height;
• take into account the height of the pickup;
• choose the type of drive;
• choose brand.

Having understood all the details and subtleties, you will develop the right solution and easily select the appropriate option.