Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Sauer Danfoss SPV2 Series
Summarization of Contents
Introduction and Description
Introduction
Provides information for maintenance, servicing, troubleshooting, pressure setting, and repair procedures for Series 20 units.
Description
Describes Sauer-Danfoss axial piston variable displacement pumps, their features, and design for easy servicing.
Model Code and Identification
Model Code
Explains the type designation and order code for Sauer-Danfoss axial piston pumps.
Recommended Tools and Installation
Recommended Tools and Installation
Lists necessary tools for maintenance and installation of the units.
Gauge Installation and Information
Trouble Shooting, Gauge Installation and Information
Details gauge installation for troubleshooting and provides relevant information.
Start-up Procedure
Start-up Procedure
Critical steps for initial start-up and operation of the pumps.
Plumbing Installation and System Circuit
Plumbing Installation (Variable Displacement Pump - Fixed Displacement Motor)
Specific instructions for plumbing a variable displacement pump with a fixed displacement motor.
System Circuit Description
Explains the operational flow and components of the hydraulic system.
System Maintenance
System Maintenance
Guidelines for routine system maintenance, including oil changes and filter checks.
Trouble Shooting
Transmission Operates in One Direction Only
Diagnoses and resolves issues where the transmission only works in one direction.
System Response is Sluggish
Addresses problems related to slow or unresponsive system operation.
Trouble Shooting (Continued)
Neutral Difficult or Impossible to Find
Guides on locating and setting the neutral position for the pump.
System Will Not Operate in Either Direction
Covers troubleshooting for complete system failure to operate.
Inspection Instructions
Checking the Charge Pressure
Details the procedure for measuring and verifying charge pressure.
Checking the Charge Pump
Explains how to inspect the charge pump for proper function.
Checking the Charge Check Valves
Describes the inspection process for charge check valves.
Inspection Instructions (Continued)
Checking the Servo Valve (Control Valve)
Outlines the steps for inspecting the servo valve.
Disassembly and Assembly - Sectional View
Sectional View
Illustrates the internal components of the pump with labels.
Disassembly and Assembly - Exploded View
Exploded View
Shows a breakdown of parts with their corresponding numbers.
Minor Repairs
Preparation for Assembly
Steps and recommendations for preparing components before assembly.
Mounting Block
Details the use and specifications of a mounting block for assembly.
Minor Repairs - Shaft Seal
Changing the Shaft Seal (Disassembly)
Step-by-step guide for removing the shaft seal.
Minor Repairs - Shaft Seal Assembly
Changing the Shaft Seal (Assembly)
Step-by-step guide for installing a new shaft seal.
Minor Repairs - Charge Pump and Check Valves
Changing the Charge Pump and the Charge Check Valves
Instructions for replacing the charge pump and its check valves.
Minor Repairs - Servo Valve
Changing the Servo Valve (Control Valve)
Procedure for removing and replacing the servo valve assembly.
Major Repairs - Valve and Bearing Plate
Changing the Valve and Bearing Plate (Disassembly)
Steps to disassemble the valve and bearing plate.
Major Repairs - Valve and Bearing Plate Assembly
Changing the Valve and Bearing Plate (Assembly)
Steps to reassemble the valve and bearing plate.
Major Repairs - Cylinder Block Kit
Changing the Cylinder Block Kit (Disassembly)
Procedure for disassembling the cylinder block kit.
Major Repairs - Cylinder Block Kit Assembly
Changing the Cylinder Block Kit (Assembly)
Procedure for assembling the cylinder block kit.
Major Repairs - Swash Plate and Servo Piston
Changing the Swash Plate and Servo Piston (Disassembly)
Steps to disassemble the swash plate and servo piston.
Major Repairs - Swash Plate and Servo Piston Assembly
Changing the Swash Plate and Servo Piston (Assembly)
Steps to assemble the swash plate and servo piston.
Major Repairs - Pump Shaft
Changing the Pump Shaft
Procedure for replacing the pump shaft.
Installation Torque Values
Installation Torque Values
Specifies torque values for assembly of various pump components.
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