GROUP 3025HYDRAULIC PUMP
3025--9A, Page 1
SAUER DANFOSS SERIES 51 BENT AXIS HYDRAULIC MOTOR
1 INTRODUCTION. 2.............................................................................
1.1 Specification Sheet 3......................................................................
2 GENERAL DESCRIPTION. 4....................................................................
3 TEST GAUGE INSTALLATION 6.................................................................
4 START--UP PROCEDURE 7.....................................................................
5 CHANGING THE FLUID AND FILTER 7...........................................................
6 COMPONENT ADJUSTMENTS 8................................................................
6.1 Charge Pressure Relief Valve Adjustment 8..................................................
6.2 Minimum Displacement Limiter Adjustment. 9.................................................
6.3 Maximum Displacement Limiter Adjustment. 10...............................................
6.4 Displacement Control Adjustments. 11.......................................................
6.5 Minor Repair and Replacement. 12..........................................................
6.5.1 General 12.......................................................................
6.5.2 Shaft Seal Replacement 13.........................................................
6.5.3 Loop Flushing Shuttle Valve Replacement 15..........................................
6.5.4 Charge Pressure Relief Valve Replacement 16........................................
6.5.5 Minimum Angle Servo Cover Replacement 17.........................................
6.5.6 Electrohydraulic Proportional Control Service (Type EQ) 18.............................
6.5.7 Pressure Control Pilot Valve 21......................................................
6.5.8 Multi--Function Block Removal and Installation 22......................................
6.5.9 Servo Pressure Supply Shuttle Spool 23..............................................
6.5.10 PCOR Brake Pressure Defeat Spool 24..............................................
6.5.11 Control Orifices 26.................................................................
6.6 Torque Values. 27.........................................................................
7 TROUBLESHOOTING 28........................................................................
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