Danfoss PAHT Series Bedienungsanleitung

Service guide

PAHT / PAHT G pumps

PAHT 20-32 / PAHT G 20-32Product type -

Disassembling and assembling

hpp.danfoss.com

Service guide Disassembling and assembling PAHT / PAHT G 20-32

180R9175 / 521B1108 / DKCFN.PI.012.E3..02 / 01.2016

NOTE: If the pump is disassembled within the warranty period, the pump is no longer covered

by the warranty.

Introduction

Table of Contents

Contents

Introduction ............................................................................2

1. Disassembling the pump................................................................3

2. Inspection ..............................................................................9

2.1. Valve and thrust plate:...................................................................9

2.2. Swash plate: ............................................................................9

2.3. Pistons: ................................................................................10

3. Assembling ............................................................................11

4. Spare parts list for PAHT 20-32..........................................................20

6. Spare parts list for PAHT G 20-32........................................................21

8. Tool sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

This document covers the instructions for disassembling and assembling the axial piston pumps

PAHT / PAHT G 20-32.

Service guide Disassembling and assembling PAHT / PAHT G 20-32

180R9175 / 521B1108 / DKCFN.PI.012.E3.02 / 01.2016

1. Disassembling the

pump

2. Loosen and remove 6 screws.1. Tools required for dismantling the pump.

3. Remove mounting ﬂange.

4. Remove shaft sealing.

Caution: Avoid scratching the sealing

surface on the shaft.

5. Remove spring. 6. Remove 2 guide pins.

Service guide Disassembling and assembling PAHT / PAHT G 20-32

180R9175 / 521B1108 / DKCFN.PI.012.E3..02 / 01.2016

7. Remove O-ring. 8. Turn pump upside down.

11. View to pistons and retainer plate.

9. Loosen and remove 10 screws. 10. Remove cover.

12. Remove pistons and retainer plate.

Service guide Disassembling and assembling PAHT / PAHT G 20-32

180R9175 / 521B1108 / DKCFN.PI.012.E3.02 / 01.2016

13. Remove retainer ball. 14. Remove retainer.

15. Remove spring. 16. Remove cylinder barrel.

18. Remove 1 guide pin.17.Remove port plate.

Service guide Disassembling and assembling PAHT / PAHT G 20-32

180R9175 / 521B1108 / DKCFN.PI.012.E3..02 / 01.2016

19. Turn pump upside down. Loosen and

remove 4 screws. 20. Remove port ﬂange.

21. Remove 1 guide pin.

23. Loosen thrust plate from cylinder barrel.

22. Remove O-ring from port ﬂange.

24. Remove thrust plate.

Service guide Disassembling and assembling PAHT / PAHT G 20-32

180R9175 / 521B1108 / DKCFN.PI.012.E3.02 / 01.2016

25. Remove O-rings from thrust plate.

27. Remove 1 guide pin from end cover

plate.

26. Remove backup rings from thrust plate.

28. Loosen and remove screw from swash

plate.

30. Remove 2 guide pins from end cover

plate.29. Remove swash plate.

Service guide Disassembling and assembling PAHT / PAHT G 20-32

180R9175 / 521B1108 / DKCFN.PI.012.E3..02 / 01.2016

31. Remove O-ring from end cover plate.

32. Remove shaft sealing from mounting

ﬂange.

33.

34. Pump

disassembled.

Service guide Disassembling and assembling PAHT / PAHT G 20-32

180R9175 / 521B1108 / DKCFN.PI.012.E3.02 / 01.2016

1. Neither valve plate nor thrust plate must

show any sign of wear. .

1. Check that surface of swash plate is

smooth and without any large scratches

(depth more than 0.1 mm)..

2. Hold a ruler against surface of plate and

check tightness against a light source..

2. Inspection

2.2. Swash plate:

2.1. Valve and thrust plate:

3. Check that both O-rings and back-up rings

are not broken and do not show severe

wear.

Service guide Disassembling and assembling PAHT / PAHT G 20-32

180R9175 / 521B1108 / DKCFN.PI.012.E3..02 / 01.2016

5. Check main bearing for wear and

scratches.

4. Check bushes in cylinderbarrel for wear

and scratches.

1. Play in ball and socket joint must not

exceed 0.1 mm.

2. Thickness of piston shoes must be at least

4.1 mm.

3. Hold a ruler against surfaces of piston

shoes to check that the surfaces are even

and smooth and without any scratches. It

is acceptable that the (black) treated

surfaces of the pistons are partly worn..

2.3. Pistons:

Andere Handbücher für PAHT Series

Dieses Handbuch passt für folgende Modelle

Inhaltsverzeichnis

Andere Danfoss Wasserpumpe Handbücher

Danfoss

Danfoss Series 90 Handbuch

Danfoss

Danfoss APP 13 Bedienungsanleitung

Danfoss

Danfoss RSA 28 Bedienungsanleitung

Danfoss

Danfoss H1 45 Einrichtungshandbuch

Danfoss

Danfoss 45 J Series Bedienungsanleitung

Danfoss

Danfoss RSA Series Bedienungsanleitung

Danfoss

Danfoss MP1 Bedienungsanleitung

Danfoss

Danfoss iSave 21 Bedienungsanleitung

Danfoss

Danfoss APP 11 Bedienungsanleitung

Danfoss

Danfoss ASV-P Bedienungsanleitung

Danfoss

Danfoss H1P Series Bedienungsanleitung

Danfoss

Danfoss H1P 069 Bedienungsanleitung

Danfoss

Danfoss RSH Series Bedienungsanleitung

Danfoss

Danfoss H1 Series Bedienungsanleitung

Danfoss

Danfoss Series 90 Bedienungsanleitung

Danfoss

Danfoss MSV-F DN 15-400 Bedienungsanleitung

Danfoss

Danfoss Series 40 M46 Tandem Bedienungsanleitung

Danfoss

Danfoss PAHF 20 Bedienungsanleitung

Danfoss

Danfoss PAH Series Bedienungsanleitung

Danfoss

Danfoss PAH Series Bedienungsanleitung

Danfoss

Danfoss PAH 50 Bedienungsanleitung

Danfoss

Danfoss APP series Bedienungsanleitung

Danfoss

Danfoss 45 K2 Series Einrichtungshandbuch

Danfoss

Danfoss APP 21 Bedienungsanleitung

Beliebte Wasserpumpe Handbücher anderer Marken

Neptun

Neptun NPHW 5500 Bedienungsanleitung

Sensidyne

Sensidyne Gilian BDX-II Montage- und Bedienungsanleitung

Draper

Draper 47808 Bedienungsanleitung

Trolla

Trolla 12820 Bedienungsanleitung

Sunfab

Sunfab SVH Series Bedienungsanleitung

WilTec

WilTec 50740 Bedienungsanleitung

Fieldmann

Fieldmann FVC 5015 EK Bedienungsanleitung

Everbilt

Everbilt EFSUB5-122HD Bedienungsanleitung

Graco

Graco Husky 3300e Bedienungsanleitung

esotec

esotec 101018 Bedienungsanleitung

moyno

moyno 2000 CC Bedienungsanleitung

Becker

Becker BASIC VASF 2.80/1-0.AC230 Bedienungsanleitung

Sykes AmeriPumps

Sykes AmeriPumps GP100M Fehlerbehebungshandbuch

DUROMAX

DUROMAX XP WX Series Bedienungsanleitung

BRINKMANN PUMPS

BRINKMANN PUMPS SBF550 Bedienungsanleitung

Franklin Electric

Franklin Electric IPS Bedienungsanleitung

Xylem

Xylem e-1532 Series Bedienungsanleitung

Milton Roy

Milton Roy PRIMEROYAL Bedienungsanleitung