Diaphragm Pump N 035 E
Servicing
KNF N 035 E e 08/09 Translation of the original Operating and installation instructions
26
*
Fig. 20: Pump parts for versions with stainless steel head
*not for .9 versions
1. For pumps N 035.1 S_E and N 035.3 S_E:
Pull the pneumatic head connection hose off one pump head.
2. For pumps N 035.2 S_E:
On the pneumatic connection, loosen the hose clip on one
pump head and pull the hose off.
3. Mark the position of the head plate W and intermediate plate X
in relation of the housing A with a pencil.
4. Loosen the four allen screws Y and remove the head plate
head W, valve plate Z and intermediate plate X.
5. For all pumps except .9 versions: Unscrew the countersunk
screw D, remove the retainer plate E and the diaphragm F.
6. For pumps N 035_ _.9 E: To undo the retainer plate E use the
wrench for retainer plate to turn it anti-clockwise; remove re-
tainer plate and diaphragm F.
7. Loosen the four screws G and remove the cover plate H.
8. Turn the counterweight J so that the connection rod K is in the
mid-position; fit the new diaphragm F.
9. For all pumps except .9 versions: Place the ratainer plate E on
the diaphragm F and tighten the new countersunk screw D
(torque: 5.0 Nm).
