Table Of Contents - Danfoss Series 45 Service Manual

Open circuit axial piston pumps frame k and l

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Service manual (44 pages)

Table Of Contents

Table of Contents

Service Manual

Series 45 Frame K and L Open Circuit Axial Piston Pumps

Contents

Introduction

Technical specifications

Features

Pressure measurement

Initial start-up procedures

Fluid and filter maintenance

Troubleshooting

Adjustments

Danfoss | August 2016

Using this manual.............................................................................................................................................................................5

Safety precautions............................................................................................................................................................................5

Unintended machine movement..........................................................................................................................................5

Flammable cleaning solvents................................................................................................................................................. 5

Fluid under pressure.................................................................................................................................................................. 5

Personal safety............................................................................................................................................................................. 5

Symbols used in Danfoss literature............................................................................................................................................6

General description......................................................................................................................................................................... 6

The system circuit.............................................................................................................................................................................7

General specifications.....................................................................................................................................................................9

Type of mounting....................................................................................................................................................................... 9

Auxiliary mounting pad options............................................................................................................................................9

Control options............................................................................................................................................................................9

Port options...................................................................................................................................................................................9

Direction of rotation...................................................................................................................................................................9

Installation position....................................................................................................................................................................9

Technical specifications............................................................................................................................................................9

Hydraulic parameters................................................................................................................................................................... 10

Inlet pressure..............................................................................................................................................................................10

Pressure compensator valve setting..................................................................................................................................10

Case pressure............................................................................................................................................................................. 10

Hydraulic fluid ...........................................................................................................................................................................10

Temperature range (1)............................................................................................................................................................10

Fluid viscosity.............................................................................................................................................................................10

Filtration ......................................................................................................................................................................................10

Displacement limiter.....................................................................................................................................................................11

Auxiliary mounting pads............................................................................................................................................................. 11

Input shafts.......................................................................................................................................................................................11

Control options...............................................................................................................................................................................11

Operation.....................................................................................................................................................................................11

Electronic Controls................................................................................................................................................................... 14

Required tools................................................................................................................................................................................. 16

Port locations and gauge installation.....................................................................................................................................16

General...............................................................................................................................................................................................17

Start-up procedure........................................................................................................................................................................ 17

Recommendations........................................................................................................................................................................ 18

Excessive noise and/or vibration..............................................................................................................................................19

Actuator response is sluggish....................................................................................................................................................19

System operating hot...................................................................................................................................................................19

Low pump output flow................................................................................................................................................................20

Pressure or flow instability..........................................................................................................................................................20

System pressure not reaching PC setting............................................................................................................................. 21

High inlet vacuum..........................................................................................................................................................................21

PC control..........................................................................................................................................................................................22

LS control.......................................................................................................................................................................................... 23

Displacement limiter.....................................................................................................................................................................24

520L0532 | AX00000040en-US0401 | 3