SYSTEM PRESSURE REGULATOR RELIEF SETTING SYSTEM PRESSURE REGULATOR RELIEF SETTING (1) (1) Η Preparation Preparation Keep the hydraulic oil temperature at 50 Ь 5 C. Main pump (2) (2) Η В Θ Measurement Measurement Select the following switch positions. Power mode switch : P mode Slowly operate each control lever of boom, arm and bucket functions at full stroke over relief and measure the pressure. In the swing function, place bucket against an immovable object and measure the relief pressure. In the travel function, lock undercarriage with an immovable object and measure the relief pressure.
Pressure sensor a2 a1 Monitoring (analog) Ι Κ Cluster (3) (3) Evaluation Evaluation The average measured pressure should be within the following specifications. Unit : kgf / cm 2 ( ) : Power boost 7-18 17) Model Function to be tested Sta ndard R505LVS Boom, Arm, Bucket 330 ( Travel 360 Swing 330 360)±10 ±10 ±10