Help Please: WMF 1000 pro air pump repair

_kopi_luwak

New member
May 5, 2021
10
0
Good afternoon. Help me with some advice. I disassembled the milk air pump of the WMF 1000 coffee machine. I was distracted and didn't take a photo. What position should the grey gasket on the piston be in? face down or face up? see the pictures.
 

Attachments

  • 1.jpg
    1.jpg
    77.8 KB · Views: 3
  • 1-1.jpg
    1-1.jpg
    76.6 KB · Views: 2
  • 1-2.jpg
    1-2.jpg
    106.8 KB · Views: 1
  • 2.jpg
    2.jpg
    77.4 KB · Views: 2
  • 8.jpg
    8.jpg
    107.1 KB · Views: 2
  • 9.jpg
    9.jpg
    106.3 KB · Views: 2
  • photo_2021-06-20_14-38-54 (2).jpg
    photo_2021-06-20_14-38-54 (2).jpg
    74.4 KB · Views: 2
OP
_kopi_luwak

_kopi_luwak

New member
May 5, 2021
10
0
  • Thread Starter
  • Thread starter
  • #3
Do you still need help? I can take a look at my spare if you want...
Thank you very much. I found the answer on the manufacturer's website. The answer is as I expected. The correct option is to install the plate with the upper faces up. The correct installation is shown in the picture.
 

Attachments

  • piston3.jpg
    piston3.jpg
    113.8 KB · Views: 3

alexbc

New member
Jul 13, 2020
7
1
Did your repair workout? Every Pump i opened was at the end more broken then before :-( Atm im doing experiments with chinese pumps.. Some work pretty good for 5 Euro ;-)
 
OP
_kopi_luwak

_kopi_luwak

New member
May 5, 2021
10
0
  • Thread Starter
  • Thread starter
  • #6
Did your repair workout? Every Pump i opened was at the end more broken then before :-( Atm im doing experiments with chinese pumps.. Some work pretty good for 5 Euro ;-)
Yes, the pump works. In our country, a used pump costs $50 in coffee machine repair shops. where can I order such pumps in China? I saw some on aliexpress
 

alexbc

New member
Jul 13, 2020
7
1
Mostly with the used i and other people dont had much luck :)

Yes their from Aliexpress but im still figuring out, which ones work good and bring enough pressure against the steam. Also a question is the lifetime and the mounting. But i will keep you posted, when i found a good model.

Alex
 
OP
_kopi_luwak

_kopi_luwak

New member
May 5, 2021
10
0
  • Thread Starter
  • Thread starter
  • #8
Mostly with the used i and other people dont had much luck :)

Yes their from Aliexpress but im still figuring out, which ones work good and bring enough pressure against the steam. Also a question is the lifetime and the mounting. But i will keep you posted, when i found a good model.

Alex

There is an air flow restrictor in the pump in my coffee machine, I think in my case it will be a problem to choose another pump.
 

Attachments

  • 1_l.jpg
    1_l.jpg
    101.2 KB · Views: 1

alexbc

New member
Jul 13, 2020
7
1
U can connect that to another pump. Only the airflow level should be around the same. The consumer restrictor is 0,2 the Pro is 0,3
 
Top