Hydraulic Manual Pump 199100820025

Type: Hydraulic manual pump
Truck Model: Shacman/howo/foton
Material: Steel
OEM No.: 199100820025
Place of Origin: Shaanxi, China
Brand Name: Shacman
Product description

The function of a manual hydraulic pump is to convert the mechanical energy of a power machine (such as an electric motor and an internal combustion engine) into the pressure energy of a liquid.

Working principle: The cam is rotated by the motor. When the cam pushes the plunger upward, the seal volume formed by the plunger and the cylinder is reduced, the oil is squeezed out of the sealed volume, and discharged through the check valve to the desired place. When the cam rotates to the lowering portion of the curve, the spring forces the plunger downward to create a degree of vacuum, and the oil in the tank enters the sealed volume under atmospheric pressure. The cam continuously raises and lowers the plunger, the sealing volume is periodically reduced and increased, and the pump continuously draws oil and drains oil.

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Product Details

Type:Hydraulic manual pumpTruck Model:Shacman/howo/foton
Material:SteelPlace of Origin:Shaanxi, China
OEM No.:199100820025Brand Name:Shacman

FAQ

Q: What are the common causes of failure?

A: 1. Check the internal leakage of the boom cylinder:

The easiest way is to raise the boom to see if it has a clear free fall. If the drop is obvious, remove the cylinder and check that the seal should be replaced if it has been found to be worn.

2. Check the control valve:

First clean the safety valve and check if the spool is worn. If it is worn, it should be replaced. If there is no change after the safety valve is installed, check the wear of the valve stem of the control valve. The clearance limit is generally 0.06mm. If the wear is serious, it should be replaced.

3. Measure the pressure of the hydraulic pump:

If the pressure is low, the adjustment is made, and the pressure is still not adjusted, indicating that the hydraulic pump is seriously worn.

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