Table of Contents
Advertisement
8.4 Exchanging the Diaphragm
32
WARNING
!
Loosen the 6 screws (2) on the dosing head (3).
Remove the dosing head (3).
Unscrew the diaphragm (1) to the left.
Refit the retaining ring (4), shim ring (5), lip seal (7) and supporting ring (6),
replacing if necessary.
Screw in the new diaphragm (1).
Remove the ventilation hood of the motor, and rotate the fan blades until
the diaphragm reaches the rear dead point.
Attach the dosing head (3), and tighten the screws (2) diagonally.
Max. torque 70-80 Nm.
Vent the pump, and restart.
CAUTION
2
3
Wear protective gloves and glasses when carrying out
work on the dosing head, connections or lines!
After initial start-up and after each diaphragm
exchange, tighten the fixing screws of the dosing head:
After approx. 6 to 10 working hours or two days, tighten
the dosing head screws crosswise using a torque
wrench, torque 70-80 Nm.
6
1
DMX model 227
7
5
4
15.720023-V3.0
Advertisement
Table of Contents
