Solve the problem of low oil pressure in the loader transmission

Nov 4th,2024 990 Views

When operating the loader, slow and smooth lifting and lowering the loader arm, driving linear loading and unloading, do not load, at the same time, the load evenly distributed to maintain balance, not overweight, in accordance with the weight limit operation. If the oil pressure of the loader transmission is too low, how to deal with it correctly.

The role of the loader pressure reducing valve is to change the higher input pressure to the required output pressure according to the pressure regulator spring, and ensure the balance of the output pressure. If the pressure regulating spring of the pressure reducing valve is damaged, the gearbox will not be able to guarantee the output pressure under normal conditions.

The specific method is as follows: take out the connector bolt of the accumulator, pull out the accumulator piston, see the pressure stabilizer spring, detect whether the spring loses elasticity, whether the spring seat is broken, whether the valve stem or the energy storage piston is stuck, resulting in no way to stabilize the spring.

Change the pressure regulator to the specified value, remove the pressure regulator spring, and see the pressure regulator spool. When the system pressure is not 1.08MPa, remove a pressure stabilizer circle, reduce the length of the fixing sleeve of the pressure regulator, otherwise increase, and adjust the pressure regulator to the appropriate parameters.

The hydraulic transmission oil filter is blocked, leading to the oil supply is not good, but also lead to the transmission oil pressure is too low, should find the cause of the blockage, replace the new oil and filter as soon as possible.

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Solve the problem of low oil pressure in the loader transmission

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