Sauer Danfoss SPV2 Series

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Summary

Model Code

Troubleshooting, Gauge Installation, and Information

Gauge Information

Details gauge types and connection points for system pressure monitoring.

Start-up Procedure

Preconditions for Trouble-Free Operation

Outlines essential conditions and checks before operating the pump to prevent issues.

First-Time Operation

Step-by-step guide for initial pump installation and startup.

System Maintenance

Oil Change Procedures

Trouble Shooting

Transmission Operates in One Direction Only

Diagnoses and resolves issues where the transmission only functions in one direction.

System Response is Sluggish

Identifies causes and solutions for slow or unresponsive system operation.

Neutral Difficult or Impossible to Find

Troubleshooting steps for locating or achieving the neutral position.

System Will Not Operate in Either Direction

Addresses problems preventing the system from operating in any direction.

Inspection Instructions

Checking the Charge Pressure

Procedure for measuring and verifying the charge pressure.

Checking the Charge Pump

Checking the Charge Check Valves

Checking the Servo Valve (Control Valve)

Instructions for inspecting the servo valve for correct operation.

Disassembly and Assembly

Minor Repairs

Changing the Shaft Seal (Disassembly)

Changing the Shaft Seal (Assembly)

Changing the Charge Pump and Check Valves

Charge Relief Valve Inspection and Replacement

Charge Check Valves Removal and Installation

Changing the Servo Valve (Control Valve)

Major Repairs

Changing the Valve and Bearing Plate (Disassembly)

Steps for disassembling the valve and bearing plates.

Changing the Valve and Bearing Plate (Assembly)

Steps for assembling the valve and bearing plates.

Valve Plate and End Cap Assembly

Changing the Cylinder Block Kit (Disassembly)

Procedure for disassembling the cylinder block kit.

Changing the Cylinder Block Kit (Assembly)

Procedure for assembling the cylinder block kit.

Changing the Swash Plate and Servo Piston (Disassembly)

Trunnion Removal and Handling

Swash Plate and Servo Piston Removal

Changing the Swash Plate and Servo Piston (Assembly)

Swash Plate Neutral Position Check

Thrust Plate Removal

Changing the Pump Shaft

Front Cover Removal and Bearing Check

Installation Torque Values