How to Replace Cylinder Seal Rings For CNC Press Brakes
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How to Replace Cylinder Seal Rings For CNC Press Brakes

Views: 199     Author: Site Editor     Publish Time: 2023-05-10      Origin: Site

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Specialized knowledge and equipment are required to replace cylinder seal rings. And it is typically done by trained professionals. If you are not familiar with the process, it is best to take your vehicle to a trusted mechanic or dealership to have the work done. And HARSLE records this detailed tutorial and hopes it will help you on that.

Part 1 Guide Sleeve

Wiper Seal.

replace cylinder seal rings

Make the double-edge towards the oil and snap the wiper seal into the groove. After installing the second wiper seal in the same way, flip the guide sleeve 180 degrees.

replace cylinder seal rings

O ring.

replace cylinder seal rings

Install the O-ring in the outer section.

replace cylinder seal rings

Step seal.

replace cylinder seal rings

replace cylinder seal rings

replace cylinder seal rings

The Step seal is a combination of an O-ring and a wear ring. The O-ring of the Step seal is fitted first and then the wear ring is fitted. The wear ring has a small step-like design on one side, making the small step toward the oil.

replace cylinder seal rings

Guide Belt.


Before installing the guide belt, apply grease. The grease needs to be applied evenly and thinly. Continue greasing after installation. The grease will lubricate and prevent rusting.

replace cylinder seal rings

replace cylinder seal rings

replace cylinder seal rings

replace cylinder seal rings

Grease & Hydraulic Oil Application.


Carefully grease the inner ring and apply a layer of hydraulic oil as shown. The main function is both to lubricate and to prevent rusting.

replace cylinder seal rings

Part 2 Piston 

Glyd Ring

replace cylinder seal rings

The Glyd ring consists of an O-ring and a sealing ring. Install the O-ring first, then snap the sealing ring into the groove with the aid of a one-piece screwdriver. Take care not to scratch the sealing ring. Finally, turn the piston over.

replace cylinder seal rings

replace cylinder seal rings

Part 3 Combination

Plug the three process holes in the cylinder tube.

replace cylinder seal rings

Before installation, spray hydraulic oil to lubricate and prevent rust.

 

Guide Belt.

replace cylinder seal rings

After brushing the bottom of the piston with hydraulic oil, install two guide straps.

replace cylinder seal rings

replace cylinder seal rings

Put in the piston. (Note that the two screw holes of the piston are facing the front and rear of the cylinder)

replace cylinder seal rings

Install the guide sleeve.

replace cylinder seal rings

Screwed on.

replace cylinder seal rings

How To Remove the Guide Sleeve &Piston                     

The guide sleeve and piston can be removed, screwing two screws into the process hole and pulling it out with the aerial cart.

replace cylinder seal rings

replace cylinder seal rings

This is all for our tutorial and proper maintenance of hydraulic oil cylinders is important to ensure the function effectively and have a long service life. Here are some general maintenance tips for hydraulic oil cylinders:


1. Check the oil level regularly: The oil level in the cylinder should be checked regularly to ensure it is at the correct level. If the oil level is too low, it can cause damage to the cylinder.

2. Change the oil: Hydraulic oil should be changed regularly to prevent contamination and extend the life of the cylinder. The frequency of oil changes will depend on the application and operating conditions.

3. Check for leaks: Check for leaks in the cylinder regularly. If you notice any leaks, it is important to address them immediately. It is to prevent damage to the cylinder or other components of the hydraulic system.

4. Inspect the seals: Inspect the seals in the cylinder regularly for wear or damage. Replace any seals that are worn or damaged to prevent leaks and ensure the cylinder operates smoothly.

5. Keep the cylinder clean: Keeping the cylinder clean can help prevent contamination and damage. Use a clean cloth or rag to wipe down the cylinder regularly.

6. Use the correct oil: Use the correct hydraulic oil recommended by the manufacturer for your specific cylinder and application. Using the wrong oil can cause damage to the cylinder and other components of the hydraulic system.


By following these general maintenance tips, you can help ensure your hydraulic oil cylinders operate effectively and have a long service life.

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