5. Quality Check after Assembly

5.Quality Check after Assembly

Implement the following check before and after operation. [1]Motor section air leak inspection Apply pressurized air (0.3 MPa) to the inside of the motor case from the drain port, and submerge in water for 2 min. and check that there is no occurrence of air bubbles. [2]Checks before and after operation 1)Fill the inside of the piston motor case with lubricating hydraulic oil before starting. 2)Perform air bleeding of all lines. 3)Operate at low speed at the beginning of operation and check that there is no abnormal noise or vibration before increasing the speed to the regulated speed and applying a load. 4)After operation, check the following items. 1.Is there any oil leak? 2.Are the speed and rotation direction correct? 3.Is the oil temperature abnormally high? 4.Is the piston motor case temperature abnormally high? 5.Is there any abnormal noise or vibration? 6.Are there any other abnormalities?