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Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. manual-no.: 999290 / 12/12/2016
➨
Never increase the amount of washers.
Risk of temperature increase!
Risk of explosion!
➨
Remove clamping disc of the safety diaphragm with an
open-ended wrench and remove together with safety dia-
phragm and support disc.
➨
Remove intermediate flange by hand.
➨
Use hex key to remove four socket head screws from
pump head and remove upper housing (housing cover
with housing cover insert and head cover).
☞
Never remove parts by using a spiky or sharp-edged tool
(e. g. screw driver), we recommend to use a rubber mallet
or compressed air (to be blown carefully into port).
➨
Carefully remove head cover from housing cover insert
and check valves. Note position of valves and remove.
☞
Replace valves if necessary.
☞
Use petroleum ether or industrial solvent to remove de-
posits. Do not inhale.
Replacing the diaphragm
☞
Check diaphragm for damage and replace if necessary.
➨
Lift diaphragm carefully sidewise.
☞
Never use a spiky or sharp-edged tool to lift the dia-
phragm.
➨
Use the diaphragm key to grip the diaphragm support disc
below the diaphragm.
➨
Unscrew diaphragm support disc with diaphragm and dia-
phragm clamping disc.
