Table Of Contents; Introduction; Disassembling - Danfoss APP 21-43 Disassembling And Assembling Instructions

Instruction

Table of Contents

1. Introduction

2. Disassembling

2
Disassembling and assembling APP 21-43
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Disassembling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3. Disassembling the pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. Assembling the pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5. Disassembling and assembling of the swash plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
6. Disassembling and assembling of of cylinder barrel-/ valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7. Disassembling and assembling of the flush plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8. Exploded view APP 21-26, APP 30/1500. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
9. Exploded view APP 30/1200, APP 38/1500, APP 43/1700. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
This document covers the instructions for
disassembling and assembling the axial piston
pumps APP 21-43.
Tools provides with toolset 180B4172:
10 mm combination wrench
13 mm combination wrench
6 mm allen key
Important: It is essential that the pump is
serviced in conditions of absolute cleanliness.
Place the pump on a pallet or other stable
surface above the ground. Ensure that the pump
For a better understanding of the pump, please
see exploded view on page 12 and 13.
WARNING:
Do not reuse disassembled O-rings or shaft
seal as they might be damaged. Always use
new O-rings.
180R9121 / 521B1018 / DKCFN.PI.013.A4.02 / 06.2013
Adjustable pin wrench
Stop for retainer plate
Press bush for valve plate
Shaft seal extractor ø 45
M8 allen screw (20 mm and 140 mm)
Press bush ø 45 (Plastic)
M8 mm eye bolt
M8 mm nut
M8 x 70 mm screw
cannot roll. It must be possible to place the pump
vertically with the shaft pointing downwards.
This can be done between two pallets or
between two boards on a pallet provided that
the distance is minimum 50 mm.
Note: It is essential that the pump is serviced
in conditions of absolute cleanliness.