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Manual hydraulic pump repair find reasons

October 24, 2024
In the maintenance of the following three points to find the cause of the malfunction, and the system to improve:
(1) check the boom cylinder leakage situation. The easiest way is to raise the boom to see if there is a clear free fall. If the whereabouts of obvious removal of fuel tank inspection, seals have been worn should be replaced.
(2) check the control valve. First clean the safety valve , check whether the spool wear, such as wear and tear should be replaced. If the safety valve is still installed after the change, and then check the control valve spool wear, the use of the gap is generally limited, serious wear and tear should be replaced.
(3) measure the pressure of the hydraulic pump. If the pressure is low, then make adjustments, the pressure is still not adjustable, the serious damage to the hydraulic pump.
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