Disassembling The Pump - Danfoss APP Series Service Manual

Service guide | Disassembling and Assembling, APP(W) 5.1-10.2

1. Disassembling the pump

© Danfoss | DCS (im) | 2017.06
1. Unscrew the seal-retaining ring
counterclockwise and remove it.
3. Carefully remove the mounting flange
from the housing.
4. Wet the shaft and shaft seal with clean
(filtered) water.
6. Remove the whole cylinder barrel and
carefully place it on a suitable clean
surface.
2. Unscrew the 8 screws in the mounting
flange.
5. Carefully remove the shaft seal assembly
using the shaft-seal extractor supplied,
provided with the tool set. The extractor
must fit underneath the shaft seal.
7. Remove the pistons, retainer plate, stop
bush and retainer ball from the cylinder
barrel.
180R9238 | DKCFN.PI.078.F3.02 | 521B1196 | 3