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Reasons and maintenance methods of portable hydraulic bending oil pump not starting

by:WORLD     2022-08-22

I believe that everyone has some understanding of hydraulic bending machines. The following world press machine will introduce the possible reasons why the portable hydraulic bending oil pump cannot be started and the maintenance methods.

Possible reasons why the portable hydraulic bending oil pump cannot start:

1. The oil pump start, stop or emergency stop button is damaged.

2. The overload protection thermal relay is damaged.

3. The AC contactor coil is open or damaged.

4. The head of the three-wire AC circuit is loose or damaged.

5. The oil pump motor is damaged or the wiring head is loose and falls off.

Solution:

1. Check the corresponding electric shock or replace the corresponding button.

2. After finding out the cause and eliminating the fault, reset or replace the thermal relay

3. Replace the coil or AC contactor.

4. Check the wire head of the relevant circuit and rewire it.

5. Check the wiring head or replace the oil pump motor.

Maintenance of portable hydraulic press brakes:

1. Filter

1. Every time the oil is changed, the filter should be replaced or thoroughly cleaned.

2. The air filter on the fuel tank should be inspected and cleaned every 3 months and replaced every 1 year.

3. The machine tool has related alarms or the oil quality is not clean and other filters are abnormal and should be replaced.

2. Hydraulic components

1. Clean the hydraulic components every month to prevent dirt from entering the system. Do not use detergents.

2. After using the new machine for one month, check whether the bending of each oil pipe is deformed. If there is any abnormality, it should be replaced. After two months of use, the connections of all accessories should be tightened. When this work is performed, the system should be turned off. pressure.

3. Hydraulic oil circuit

1. Check the oil level of the fuel tank every week. If the hydraulic system is repaired, it should also be checked. The oil level should be filled with hydraulic oil if the oil level is lower than the oil window.

2. The oil temperature of the system should be between 35°C and 60°C, and should not exceed 70°C. If it is too high, the oil quality and accessories will be deteriorated and damaged.

3. The hydraulic oil used in this machine is ISO HM46 or MOBIL DTE25.

4. The oil should be changed after the new machine works for 2000 hours, the oil should be changed after every 4000 to 6000 hours of operation, and the oil tank should be cleaned every time the oil is changed.

The above is the introduction of the world press machine, I hope it will be helpful for everyone to understand the portable hydraulic press brake.



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