Port plate Counter balance valve Motor unit 6) 6) INSTALLATION INSTALLATION The housing must be filled entirely with oil and shall also not run empty at rotary group standstill. 7) 7) FILTRATION FILTRATION According to purity class 9 as to NAS 1638, 6 as to SAE, ASTM, AIA and 18/15 as to ISO/DIS 4406. 8) 8) PRESSURE PRESSURE Ports A or B : Normal 400bar, peak pressure 450 bar Port A + B : Pressure summation below 700 bar Max permissible intermittent case pressure :
6 bar 9) 9) DIRECTION OF ROTATION/ DIRECTION OF FLOW DIRECTION OF ROTATION/ DIRECTION OF FLOW With view on the drive shaft - clockwise/ A to B; Counter-clockwise/ B to A 10) 10) LEAKAGE OIL TEMPERATURE LEAKAGE OIL TEMPERATURE In the bearing area max permitted -25 C to +80 C ; Short time operation -40 C to +115 C 11) 11) COMMISSIONING COMMISSIONING Fill the housing entirely with oil through highest located T port. Also connect the leakage oil pipe at this port. After commissioning check sealing and make visual control of the complete installation. 2-26