Hydraulic Pump Repair By Elephant Fluid Power

Hydraulic pump is the power system of most mechanical equipment, for mechanical equipment, strong transmission system affects the efficiency and quality of equipment, in the use of equipment during the user needs to pay particular attention to the maintenance of the hydraulic pump. There are many hydraulic pump companies in the international market, such as Rexroth, Parker, Eaton and Elephant Fluid Power, today we are going to talk about some common problems that may occur during the use of the hydraulic pump made by Elephant Fluid Power and how to fix them. I hope this article will be helpful to you.

1. Hydraulic pump does not output hydraulic oil

(1) failure phenomenon: the hydraulic pump does not output hydraulic oil (the connecting shaft between the hydraulic pump and the motor does not rotate) .

CAUSE ANALYSIS: 1 spool can not move normally; 2 motor does not rotate; 3 hydraulic pump shaft or motor shaft without connecting keys; 4 hydraulic pump internal sliding pair stuck.

Elimination methods: 1 repair spool; 2 check electrical lines and troubleshooting; 3 make up connection key; 4 disassemble hydraulic pump repair, re-assembly and make the fit gap to meet the requirements.

(2) failure phenomenon: the hydraulic pump does not output hydraulic oil (the connecting shaft between the hydraulic pump and the motor rotates normally) .

Cause analysis: the shaft located inside the hydraulic pump is broken.

Elimination method: replacement of a new shaft.

(3) fault phenomenon: hydraulic pump did not output hydraulic oil (hydraulic pump reverse rotation) .

Cause analysis: reverse connection of electric circuit of motor.

Elimination method: correct electrical circuit.

(4) failure phenomenon: hydraulic pump does not output hydraulic oil (hydraulic pump does not absorb oil) .

Cause analysis: 1 excessive viscosity of hydraulic oil; 2 insufficiency of hydraulic oil in fuel tank; 3 excessive filtration precision or too small oil flow area of oil absorption filter; 4 not opening the oil absorption pipeline valve in the closed state; 5 clogging of the filter; The variable mechanism of hydraulic pump works abnormally.

Elimination methods: 1 check the viscosity of hydraulic oil, replace the appropriate hydraulic oil; 2 increase the hydraulic oil to the normal level of the oil tank; 3 select a reasonable filtering accuracy and oil flow area; 4 open the valve in the oil suction pipeline; 5 cleaning or replacement of oil filter filter; 6 replacement or adjustment of variable mechanism.

2, hydraulic pump noise

(1) fault phenomenon: hydraulic pump noise (serious suction) .

Cause analysis: 1 too high suction orifice or low tank level; 2 blocking of filter in suction pipe; 3 poor sealing of suction pipe orifice of hydraulic pump; 4 too high rotating speed of hydraulic pump.

Elimination methods: 1 lower the installation height of the oil suction pipe or increase the height of liquid level; 2 clean or replace the filter element; 3 check the oil suction pipe mouth connection sealing, and tighten the oil suction pipe mouth; The motor is controlled in the reasonable speed range of the hydraulic pump.

(2) fault phenomenon: hydraulic pump noise (hydraulic pump poor operation) .

Cause analysis: hydraulic pump parts damage or wear.

Elimination method: disassemble the hydraulic pump, to the damaged parts replacement or cleaning.

Elephant liquid power company in the field of hydraulic expertise has superb theoretical knowledge and a wealth of practical experience, is the production and maintenance, sales, product R & D in one of the technology-based companies. The company has an engineer, professional technicians as the backbone of the hydraulic pump professional production and maintenance team, and equipped with high-performance hydraulic pump, motor test bed, widely serving construction machinery, industrial equipment, metallurgical machinery, plastic machinery, chemical plastics, ceramics, shipping, medical and other fields and has been widely praised. We have many years of hydraulic system product experience, 1-7 days to complete product delivery, many years of industry experience, sales, repair, debugging, maintenance, one-stop professional service, provide technical response within 2 hours standard warranty period to effectively ensure the quality of hydraulic products.

Elephant Liquid Power Company specializes in the production of various hydraulic components, including hydraulic pumps, hydraulic motors, pump parts, motor parts, hydraulic valves, steering gear and so on, the quality of all products produced by elephant liquid power is guaranteed, because we adopt the most advanced production technology and the most stringent production process, all products will be heavily tested before leaving the factory, so you can feel free to buy. If you are interested in related products, please visit the official website of Elephant Liquid Power Company, which has the most comprehensive range of products and the most thoughtful service.

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