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HOW TO REPLACE A HYDRAULIC HOSE?
Every Hydraulic Cylinder Rebuild Arkansas hydraulic system relies on hydraulic hoses to enable its functionality. However, these hoses can deteriorate, develop leaks, and eventually cease to function effectively over time. Replacing these hoses before such issues arise is essential to maintain the efficiency of your hydraulic system.
Determining When to Replace Your Hydraulic Hose: A recommended practice is to replace your hydraulic hose five years after the printed manufacture date. Even if your hydraulic system has not been in use for extended periods, the hydraulic hose should still be replaced because rubber degrades over time, irrespective of usage.
While these timeframes provide general guidelines for hose replacement, it is advisable to periodically inspect the condition of your hydraulic system hoses. Factors such as stress, heat, sunlight exposure, and normal wear and tear can lead to rubber degradation. During your hose health check, watch out for the following signs:
- Worn outer rubber with visible support wires
- Crushed or pinched tubes
If any of the above signs are detected, it is crucial to replace the hydraulic hose before further use. Additionally, check for hydraulic hose leaks by wiping away any existing fluid, then rubbing a piece of cardboard along the hose. If a wet spot appears on the cardboard, your hydraulic hose is leaking and must be replaced.
How to Remove a Damaged Hydraulic Cylinder Rebuild Arkansas Hydraulic Hose: Prior to working on any hydraulic system, it is essential to protect yourself from the potentially harmful effects of hydraulic fluid. To safeguard against hydraulic fluid exposure:
- Wear goggles and gloves
- Dress in long sleeves and long trousers
- If not working in a well-ventilated space, use a mask
It is also necessary to release all pressure within the Hydraulic Cylinder Rebuild Arkansas hydraulic system before proceeding. The method for depressurizing the system may vary depending on your specific hydraulic system. Consult the user manual accompanying your system for the precise procedure. In most cases, there will be a lever to release pressure. Begin by pulling this lever and then disconnect all power sources to the system. Work the hydraulic lever back and forth several times to expel excess pressure before commencing work on the hydraulic hose.
To safeguard your work area, place a cloth or bucket underneath the area where you will work on the hydraulic system. These items will catch any leaked hydraulic fluid, preventing it from spreading across the work area.
Once the Hydraulic Cylinder Rebuild Arkansas hydraulic hose is visible (after removing any protective coverings or hoods), clean the connectors on both ends of the hose to prevent dirt and dust from entering the hydraulic system. After cleaning, use two wrenches to unscrew the fittings securing the hose in place. Since hydraulic hoses are secured by fittings with two components that rotate in opposite directions to ensure a secure connection, you will require two wrenches. When removing these fittings, use one wrench to hold the closed fitting securely while turning the other counterclockwise until the hose detaches. Repeat this process on the other side of the hydraulic hose.
Steps to Install a New Hose: To install a new hydraulic hose, begin by ensuring that the replacement hose matches the exact specifications of the one you are replacing. If you are unsure which hydraulic hose is the right fit for your system, please contact the Flowfit team via email for assistance.
If the new hydraulic hose is in a position where it may rub against other components, protect it by placing an abrasion sleeve over the hose. Next, clean the hose fittings and connectors before installing the new hydraulic hose. After cleaning, insert one end of the hose into the hose fitting and rotate it clockwise until the hose stops spinning, indicating that it is fully tightened. To connect the other end of the hose, insert it into the fitting while holding it in place with a wrench, then use a second wrench to secure the connector attached to the machine. Again, stop tightening once the connector no longer spins.
Once you are satisfied with the fitting of the new Hydraulic Cylinder Rebuild Arkansas hydraulic hose, replace any coverings or hoods that were previously removed, ensuring that all components are properly repositioned. To complete the process, test the hydraulic system by circulating hydraulic fluid at low pressure through the new hose. After running it for a brief period, recheck the hose for leaks before resuming regular use of the hydraulic system.
Conducting routine maintenance on your hydraulic system is essential for averting issues and optimizing operational uptime. When your maintenance routine includes tasks such as hose replacements or disassembling hydraulic fittings, it is advisable to contemplate utilizing new fittings during the reassembly of your connections. However, advancements in materials and improvements in the design and manufacturing processes have made it possible to reuse hydraulic fittings that remain in good working condition.
Inspect Fitting Condition
When you’re reassembling a Hydraulic Cylinder Rebuild Arkansas fitting, it’s crucial to ensure a proper seal. When contemplating the reuse of a fitting, conduct a thorough examination to identify any signs of wear or damage. Maintain a critical eye and lean towards caution; if you have any doubts about the fitting’s suitability, it’s advisable to replace it. Replace the hydraulic fitting if any of the following issues are detected:
- Nicks or damage to any sealing surfaces (such as seats, O-ring grooves, etc.).
- Corrosion, rust, or material deterioration.
- Cracks, dents, or deformities in the fitting’s shape.
- Thread wear or distortion.
- Nose collapse or reduction in hole size.
There are two types of fittings that are not recommended for reuse: tapered thread pipe fittings and JIC 37 flare fittings.
Tapered thread pipe fittings screw into each other, often with the addition of tape or paste, to create a seal. These connections rely on the deformation of the sealing surfaces (the threads) to achieve a seal, and they can easily wear out with repeated assembly and disassembly. If you observe excessive wear on the threads, missing threads, or the need for multiple applications of tape or paste to achieve a seal, it’s best to replace these fittings.