wheeled excavator main pump

wheeled excavator main pump

4 month ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 3 year year

Product details

8-ton and 9-ton wheeled excavator main pump," specific details can be elaborated from the following aspects:

1. Definition and Purpose:

• The 8-ton and 9-ton wheeled excavator main pumps are the core hydraulic components of these two specifications of wheeled excavators.

• They are responsible for providing high-pressure hydraulic oil to drive various working devices of the excavators (such as booms, arms, buckets, etc.) for excavation, loading, and other operations.

2. Working Principle:

• The main pump is driven by the engine to convert mechanical energy into hydraulic energy.

• Hydraulic oil is pressurized by the main pump and delivered to various working devices through a series of pipes and control valves.

• The hydraulic cylinders or hydraulic motors in the working devices produce movement or rotation under the action of high-pressure hydraulic oil, thereby realizing various actions of the excavator.

3. Structure and Characteristics:

• The main pump usually consists of a pump body, plungers, a valve plate, and other components.

• The 8-ton and 9-ton wheeled excavator main pumps may adopt axial piston pumps or swashplate piston pumps, among other structural forms.

• These main pumps feature high pressure, large flow rate, and high efficiency, meeting the needs of excavators under various working conditions.

4. Maintenance and Servicing:

• Regularly check the quality and level of hydraulic oil in the main pump to ensure it is clean and free of impurities.

• Regularly replace the hydraulic oil filter and air filter to prevent impurities from entering the main pump.

• Pay attention to checking the seals and bearings of the main pump, which are prone to wear, and replace worn-out components in time.

• Avoid prolonged overload operation to prevent damage to the main pump.

5. Troubleshooting:

• If the main pump malfunctions (such as insufficient pressure, insufficient flow rate, excessive noise, etc.), first check the quality and quantity of the hydraulic oil.

• Check whether the inlet and outlet of the main pump are blocked and whether all control valves are working properly.

• If the fault cannot be resolved, professional maintenance personnel should be consulted for inspection and repair.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

3 year

Address: Ningbo, China

Main Product: hydraulic motor , gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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