Hydraulic cylinders are used in many types of machinery, including tractors, trucks, and cars. After some time, the seals begin to leak oil and it is at this time that you need to reinstall the seals to avoid escalating the problem. The hydraulic cylinder seal is an essential component to your vehicle suspension system. When your seals wear off, they let their air and fail to hold pressured. This could lead to leakage of system fluid and cause inefficiencies in your hydraulic system. Below is a simple step-by-step guide on Hydraulic Seal Replacement starting from removal to final replacement.
How to Remove Cylinder Seals
Locate the collar at the bottom of the cylinder and unscrew and then unbolt the lower part of the bottom of the cylinder by using a ratchet or wrench. Remove the shaft to find the cylinder piston and the actual seal. Using a flat-head screwdriver, remove each cylinder seal.
What Tools Do You Need?
Ensure to clear the area where you will be working on. In addition, ensure to cover the component and the openings with the help of cloth materials. To avoid losing your components, it is essential to reinstall and retain the bolts.
Replacing a seal requires you to work with special tools. One such tool is that used to reinstall the packing gland when dealing with a recoil piston. The tool is a tampered ring that slides on the threads of the piston. The tampered side of the tool allows for proper sealing of the U-cup seal. During the process, you may need to add hydraulic fluid into your system upon completing the repairs.
Installing a New Seal
You will need a wrench or a ratchet to reinstall cylinder seals. Start by pressing the seals down into the shaft area. Spread the seal around the shaft, especially the base of the cylinder. With the help of a screwdriver, install a poly-pack or seals into your piston. To complete the process, press the cylinder piston back into its position. Tighten the collar and reattach the cylinder to the control pin or arm. Place the tires back and have your vehicle and you are ready to go.
What to Avoid
When replacing hydraulic seals, it is important to avoid contaminating the entire system since they can have far-reaching negative effects on the system. some of the damages may include seal wear which can cause damage to the valves, drive units and pump systems. By observing the above precautions, you can keep your system contaminate-free.
Now that you have the basic understanding of Hydraulic Seal Replacement, you may go ahead and do it on your own and avoid the cost of hiring a mechanic.