Table Of Contents - Danfoss Series 45 Service Manual

Open circuit axial piston pumps e frame

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Service manual (37 pages)

Table Of Contents

Table of Contents

Service Manual

Series 45 E Frame Open Circuit Pumps

Contents

Introduction

Technical specifications

Features

Pressure measurement

Initial Start-Up Procedures

Fluid and Filter Maintenance

Troubleshooting

Danfoss | September 2016

Overview..............................................................................................................................................................................................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......................................................................................................................................................................... 7

System circuit.....................................................................................................................................................................................8

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................................................................................................................................................................... 11

Inlet pressure..............................................................................................................................................................................11

Pressure compensator valve setting..................................................................................................................................11

Case pressure............................................................................................................................................................................. 11

Hydraulic fluid ...........................................................................................................................................................................11

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Temperature range

............................................................................................................................................................. 11

Fluid viscosity.............................................................................................................................................................................11

Filtration ......................................................................................................................................................................................11

Displacement limiter.....................................................................................................................................................................12

Auxiliary mounting pads............................................................................................................................................................. 12

Input shafts.......................................................................................................................................................................................13

Control options...............................................................................................................................................................................13

General......................................................................................................................................................................................... 13

PC control.................................................................................................................................................................................... 13

LS control.....................................................................................................................................................................................14

Electric Proportional Controls.............................................................................................................................................. 15

Electric On/Off Controls..........................................................................................................................................................15

Electronic Torque Limiting Controls (ETL)....................................................................................................................... 16

PLUS+1

Compliance......................................................................................................................................................... 16

Electric Torque Limiting Control Principle................................................................................................................. 16

Required tools................................................................................................................................................................................. 18

Port locations and gauge installation.....................................................................................................................................18

General...............................................................................................................................................................................................19

Start-up procedure........................................................................................................................................................................ 19

Recommendations........................................................................................................................................................................ 20

Excessive noise and/or vibration..............................................................................................................................................21

Actuator response is sluggish....................................................................................................................................................21

System operating hot...................................................................................................................................................................21

Low pump output flow................................................................................................................................................................22

Pressure or flow instability..........................................................................................................................................................22

System pressure not reaching PC setting............................................................................................................................. 23

High inlet vacuum..........................................................................................................................................................................23

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