Hydrostatics Servicing Overview................................................................................................................................................ 5

Safety Precautions............................................................................................................................................................................5

Unintended Machine Movement..........................................................................................................................................5

Flammable Cleaning Solvents................................................................................................................................................5

Fluid Under Pressure..................................................................................................................................................................5

Personal Safety.............................................................................................................................................................................5

MP1 Motors Overview.....................................................................................................................................................................6

MP1 Motor Features........................................................................................................................................................................ 6

System Diagram................................................................................................................................................................................7

Schematic Diagram..........................................................................................................................................................................8

Design Specifications......................................................................................................................................................................9

Technical Data................................................................................................................................................................................... 9

Operating Parameters.....................................................................................................................................................................9

Fluid Specifications....................................................................................................................................................................... 10

Determination of Nominal Motor Size................................................................................................................................... 11

Variables.......................................................................................................................................................................................11

Shaft Options...................................................................................................................................................................................12

Loop Flushing Valve......................................................................................................................................................................12

Anti-Cavitation and Shock Valve.............................................................................................................................................. 14

Speed and Temperature Sensor............................................................................................................................................... 15

Available Sensors......................................................................................................................................................................15

Sensor Position.......................................................................................................................................................................... 16

Speed Sensor 4.5 - 8 V.............................................................................................................................................................16

Speed Sensor 7 - 32 V..............................................................................................................................................................17

Output Pulses.............................................................................................................................................................................17

Overview........................................................................................................................................................................................... 18

Speed Ratings..................................................................................................................................................................................18

System Pressure..............................................................................................................................................................................18

Case Pressure...................................................................................................................................................................................19

Temperature.................................................................................................................................................................................... 19

Viscosity.............................................................................................................................................................................................19

SAE A Flange Port Locations and Specifications.................................................................................................................20

SAE B Flange Port Locations and Specifications.................................................................................................................21

Cartridge Flange Port Locations and Specifications......................................................................................................... 22

Recommendations of Fluid and Filter Maintenance.........................................................................................................23

Start-up Safety Precautions........................................................................................................................................................24

Inspect the Unit.............................................................................................................................................................................. 24

Fill System Components with Hydraulic Fluid.....................................................................................................................24

Install Charge Pressure Gauge...................................................................................................................................................25

Calibrate the Motor/Transmission........................................................................................................................................... 25

Troubleshooting Overview.........................................................................................................................................................26

System Operating Hot..................................................................................................................................................................26

System Noise or Vibration...........................................................................................................................................................26

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