Service guide
|
Disassembling and Assembling, APP 11-13 and APP 16-22
© Danfoss | DCS (im) | 2017.06
2 | 180R9228 | 521B1181 | DKCFN.PI.013.V3.02
This document covers the instructions for disassembling and assembling the axial piston pumps
APP 11-13 and APP 16-22.
Tools provided with toolset 180B4222:
•
10 mm combination wrench
•
13 mm combination wrench
•
6 mm allen key
•
Adjustable pin wrench
•
Stop for retainer plate
•
Press bush for valve plate
•
Extractor
•
M8x20 mm allen screw
•
Press bush (Plastic)
•
M8 mm eye bolt
•
M8 mm nut
• M8 x 70 mm screw
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
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 100 mm.
For a better understanding of the pump, please
see the exploded view on page 18, 19 and 20.
WARNING:
Do not reuse disassembled O-rings or shaft
seal as they might be damaged. Always use
new O-rings.
1. Introduction
Table of Contents
Contents
1. Introduction .............................................................................................................................................................. 2
2.
Disassembling the pump ..................................................................................................................................... 3
3.
Assembling the pump .......................................................................................................................................... 6
4.
Disassembling and assembling of the swash plate ..................................................................................11
5.
Disassembling and assembling of cylinder barrel and valve plate .....................................................12
6.
Disassembling and assembling of the flush valve ....................................................................................12
7.
Changing pistons ..................................................................................................................................................13
8. Assembling ..............................................................................................................................................................15
9.
When should the pistons be replaced? .........................................................................................................17
10.
Exploded view APP 11-13 ..................................................................................................................................18
11.
Exploded view APP 16-19 ..................................................................................................................................19
12.
Exploded view APP 22 .........................................................................................................................................20