Table Of Contents - Danfoss 45 K2 Series Repair Instructions

Axial piston open circuit pumps

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Table Of Contents

Table of Contents

Repair Instructions

Series 45 Frame K2 Axial Piston Pumps

Contents

Introduction

Disassembly

Inspection

Reassembly

Danfoss | April 2017

Overview..............................................................................................................................................................................................4

General instructions........................................................................................................................................................................ 4

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

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

Auxiliary pad.......................................................................................................................................................................................7

Remove control.................................................................................................................................................................................8

Displacement limiter....................................................................................................................................................................... 8

Servo piston........................................................................................................................................................................................9

Disassembly.................................................................................................................................................................................. 9

Endcap and valve plate.................................................................................................................................................................. 9

Cylinder kit........................................................................................................................................................................................10

Input shaft and swashplate........................................................................................................................................................ 11

Shaft seal........................................................................................................................................................................................... 12

Control............................................................................................................................................................................................... 13

Cylinder block Kit disassembly..................................................................................................................................................17

Pistons and slippers.......................................................................................................................................................................19

Ball Guide, Slipper retainer, and Hold-Down Pins..............................................................................................................19

Block spring, and washers...........................................................................................................................................................19

Cylinder block..................................................................................................................................................................................20

Fan Drive Control........................................................................................................................................................................... 22

Shaft ...................................................................................................................................................................................................23

Journal Bearing............................................................................................................................................................................... 23

Valve Plate........................................................................................................................................................................................ 24

Housing............................................................................................................................................................................................. 24

Shaft bearing kits........................................................................................................................................................................... 24

Servo piston..................................................................................................................................................................................... 25

Endcap............................................................................................................................................................................................... 25

Swashplate....................................................................................................................................................................................... 25

Displacement Limiter................................................................................................................................................................... 26

Displacement Limiter.............................................................................................................................................................. 26

Auxiliary Pad.................................................................................................................................................................................... 26

Journal bearing...............................................................................................................................................................................27

Bias Spring, swashplate, and Bearing..................................................................................................................................... 27

Input shaft.........................................................................................................................................................................................28

Cylinder kit assembly....................................................................................................................................................................28

Cylinder kit installation................................................................................................................................................................ 29

Valve plate and Endcap............................................................................................................................................................... 29

PC control..........................................................................................................................................................................................31

LS control (optional)......................................................................................................................................................................31

Fan Drive Control........................................................................................................................................................................... 33

Install the control........................................................................................................................................................................... 34

Install auxiliary mounting pad...................................................................................................................................................34

Install servo piston.........................................................................................................................................................................35

Install displacement limiter........................................................................................................................................................ 36

Displacement Limiter.............................................................................................................................................................. 36

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