Stamoclean CAT430
Maintenance
Hauser
31
a) Fixing screws are loose
1.
Switch the controller off.
2.
Remove the handle of the evacuate screw (
22, item 9).
3.
Remove the cover plate (item 8) by levering it off with a suitable tool.
#
Warning!
Risk of injury
Only use a suitable tool, blunt if possible. Do not use your finger nails and ensure that you do not
endanger yourself or others.
4.
Tighten all four fixing screws (item 1) with the Allen key supplied (4 mm).
5.
Switch on the controller and check whether filtrate still leaks out. If yes, the pump diaphragm
is defect and you have to replace it (see b).
6.
Switch the controller off.
7.
If the pump is leak-tight, reattach the cover plate and then the handle of the evacuate screw.
8.
Switch the controller on again.
b) Changing the pump diaphragm
1.
After tightening the fixing screws, the pump is still not leak-tight: Switch on "Evacuate" at the
connection box of the control box.
2.
Set the stroke length of the pump (big rotary knob at right) to 0 % (left limit stop).
3.
Switch "Control" and "Evacuate" off.
4.
Remove the filtrate lines from the pump head (
22, item 2).
5.
Loosen and remove all fixing screws (item 1).
6.
Remove the pump head.
7.
Lift the diaphragm (item 7) at the edges so you can hold it with your thumb and index finger.
8.
Turn the diaphragm counter-clockwise to remove it from the drive axle.
9.
Remove the head disk (item 3) and check the safety diaphragm (item 4) for damage. Replace
it if necessary.
10. Only push the new safety diaphragm so far onto the drive axle until it is in level contact with
the pump housing (item 5).
11. Mount the head disk with the
leak bore
(item 6)
facing downwards
onto the pump housing.
12. Screw the new diaphragm clockwise onto the drive axle. For the last rotation, hold the
diaphragm again between your thumb and index finger and tighten it in this way.
In doing so, make sure you do not twist the head disk!
13. Mount the pump head on the diaphragm and head disk. Make sure that the evacuate screw is
on top.
14. Insert the fixing screws and tighten them uniformly and crosswise with the Allen key 4 mm
(tightening torque 2.5 to 3 Nm (1.8 to 2.2 lbf ft.)).
15. Mount the cover plate and the handle of the evacuate screw.
16. Connect the filtrate hoses to the plug connectors again. Make sure the connection is correct:
filtrate line from the filter elements at the suction valve and filtrate line to the device at the
pressure valve.
!
Note!
Check for leak-tightness again. If the pump is still leaking, you have to replace the pump completely
(see the following chapter).
