Electric Hydraulic Pump Troubleshooting

Pump is turning too fast 2.

Electric hydraulic pump troubleshooting.

This includes the pump compensator relief valve pressure reducing valves and other pressure control valves in the system. Also included are some tricks tips we have found talking to you the customer. Pump will not build hold pressure. Shaft seals or seals on suction side are defective 5.

Max pump pressure exceeded 3. The purpose of this guide is to help you trouble shoot kti dc hydraulic power units by explaining how the electric hydraulic circuits work together to perform each function. Control system oscillating 8. All pumps have a recommended maximum drive speed.

3 common symptoms to keep an eye out for. Id too small 4. Charge pump defective 4. As 4 c as 4 a.

Pump trouble is usually characterized by increased noise increased heat erratic operation of cylinders difficulty or inability to develop full output decreased speed of cylinders or. If your hydraulic layout is suffering from any issues make sure to check your hydraulic gear pumps and other components. The pump is probably the component most subject to wear in a hydraulic system and the one most likely to cause a sudden or gradual failure in the system. Lines have been wrongly laid 3.

Hydraulic troubleshooting is a step by step process. No oil in reservoir. If the speed is too high a higher volume of oil will be needed at the suction port. Here is the 6 quick ste.

This guide will help you fix the majority of problems you face in the field. Readings filter and breather conditions oil cleanliness condition of the hoses and clamps current readings on the electric motor voltages to proportional. Hydraulic pump troubleshooting guide no oil flow from pump. Hydraulic oil level low pumps stopping.

Oil temperature should not exceed 140º f 60º c oil foaming. If your system is suffering from any of these symptoms then that could be a clear sign that you need to repair clean or replace parts of your system. Pressure and return lines connected wrongly 7. The electric motor is driving the hydraulic pump at a speed that is higher than the pump s rating.

Pump fault mcc or standby pump fault mcc identified by pump motor output gives alarm to control desk if that pump is not running. Determine what is causing the drop in oil level. Line mountings missing or loose 2. As 1 a 8 1.