Danfoss APP 21-43 Service Manual page 5

Service guide | Disassembling and Assembling, APP 21-43
© Danfoss | DCS (im) | 2017.06
14. Remove the retainer guide, the 4 springs
and the spring guide.
16. Place cylinder barrel upside down.
For further disassembling of cylinder
barrel and valve plate see page 11.
18. Remove, by hand, the two pins.
Note: The following operation is only
necessary if O-ring on port flange is to
be changed.
15. Mount a 8 mm eye bolt in the cylinder
barrel. Pull straight upwards. A continuous
lift will elevate the cylinder barrel out of
housing. This can only be done if shaft seal
is removed.
WARNING:
If the cylinder barrel is dropped or
lowered too fast into housing, the main
bearing/shaft bearing might be
damaged. It is not replaceable.
17. Remove the port plate by hand.
19. Place the pump horizontally.
20. Remove the remaining screws in port
flange by using a 13 mm combination
wrench. Carefully separate house and port
flange. Ensure that pin for the positioning
house is not lost.
21. For further disassembling of flush valve,
see page 11.
180R9121 | 521B1018 | DKCFN.PI.013.A6.02 | 5