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Hydraulic cylinder leak repair

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Hydraulic cylinders can be repaired, but you should never attempt these repairs on your own. Working with a trained technician will ensure fewer mistakes and a faster turnaround time. Although hydraulic cylinders have a simple design, you must be familiar with them in order to efficiently repair them.
There will always be at least one seal found on the hydraulic cylinder. They can be installed on either the end of the cylinder body, or at the end of the rod. Check that you have the correct parts for your hydraulic cylinders as different cylinders require different seal kits.
The conventional way of testing the integrity of the piston seal in a double-acting cylinder is to pressurize the cylinder at the end of stroke and measure any leakage past the seal. This is commonly referred to as the “end-of-stroke bypass test”.
The most common reason for this is exposure to temperatures that are too high for the seal to handle. Be warned this is not just ambient temperature around the cylinder. The piston itself can generate substantial heat through motion and friction, causing wear to the seal.
The most common cause of hydraulic cylinder failure is leaking seals, which not only allow critical fluids to leave the system (including lubricants) but allow damaging contaminants (water, air, and particles) to make their way inside the hydraulic cylinder.
Hydraulic fluid leakage can result in decreased performance, unreliable results, premature component wear, and increased costs. Finding the source of a leak, as well as its cause, will allow you to complete the hydraulic cylinder repair more quickly, reducing downtime and its associated costs.
When these cylinders fail, it can cause production downtime and profit loss. If well-maintained, you can expect hydraulic systems to last up to 15 years on average before they need to be rebuilt or replaced.
There are two types of hydraulic cylinder leakage: internal leakage and external leakage.
It can cost anywhere from $50 to a few thousand dollars to repair a hydraulic cylinder. The price varies with the size of the cylinder and the amount of repairs needed but we will always give you a fair deal.
A Brief Overview of Hydraulic Cylinders

When these cylinders fail, it can cause production downtime and profit loss. If well-maintained, you can expect hydraulic systems to last up to 15 years on average before they need to be rebuilt or replaced.

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