Cleaned suction screen and changed both filters now have no hydraulics. Hydraulics was starting strong and after operating about five minutes pressure drops to nothing. Tractor will not move.
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Replacing hydraulic components in heavy equipment like the John Deere Backhoe Loader Model 210C requires careful consideration, as it can impact the machine's performance, safety, and warranty. Here are some important factors to keep in mind when considering a pump replacement:
1. **Compatibility:** Hydraulic pumps are designed for specific systems and applications. The replacement pump must have compatible specifications, flow rates, pressures, and connections to work effectively within your machine's hydraulic system.
2. **System Design:** The hydraulic system of your backhoe loader is designed with specific components that work together. Replacing a pump can potentially disrupt the balance and efficiency of the system.
3. **Flow and Pressure Requirements:** Ensure that the replacement pump can provide the required flow and pressure needed by both the main and steering hydraulic systems. Mismatched flow rates and pressures can lead to performance issues and damage.
4. **Relief Valve and Safety:** Hydraulic systems include relief valves to prevent overpressure. If you're considering a pump replacement, you must ensure that the relief valve settings are appropriate for the new pump's specifications.
5. **Mounting and Connections:** The new pump should have compatible mounting and connection points with your backhoe loader's existing hydraulic system. Modifications might be needed to ensure a proper fit.
6. **Manufacturer Recommendations:** Consult the manufacturer's documentation, technical manuals, and guidelines for pump replacements. They may provide insights into compatible replacements and installation procedures.
7. **Professional Assistance:** Given the complexity of hydraulic systems and the potential impact of pump replacements, it's advisable to consult with a qualified hydraulic engineer or technician. They can assess your specific situation, recommend suitable replacement options, and ensure proper installation.
8. **Warranty and Support:** Keep in mind that modifications or replacements not recommended by the manufacturer could void warranties and complicate maintenance and support in the future.
9. **Testing and Calibration:** After any pump replacement, thorough testing and calibration are essential to ensure the hydraulic system operates safely and efficiently.
Remember that modifying heavy equipment like a backhoe loader requires expertise and knowledge in hydraulic systems. Any modifications should be carried out by professionals who are experienced in working with such equipment. It's recommended to involve the manufacturer or authorized service providers to ensure that any modifications are done correctly and safely.
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hydraulic system self bleed from repeated use
what you have are piston seal worn, cylinder walls damaged allowing bypass of oil or faulty control valve units
Sometimes with hydraulics you need to "burp" any air from the system, though they tend to be so-called self bleeding. Try filling the filter with fluid and check that the pump has fluid in it to get it pumping. If the fluid was drained from the pump and it has air in it, it won't do anything. Get some fluid in it and it may start pumping.
not knowing what machine it is , I would suspect that the problem is in the control valve system or hydraulic pump
this is indicated by when you use something the hydraulic pump comes under considerable load and almost stalls the motor
That indicates that the pump is trying to drive 2 operations at the same time ( up/down or in/out or maybe a combination of all together ) that could be from a failed spool valve/s in the control unit or the gears in the pump are binding up from excessive wear on the shafts
The travel lock is either in place keeping it from moving in transport or there is something wrong with the hydraulics. Look for a push button release. The other thing is the stabilizers have to be engaged
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