Owner manual

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.: 999223 / 08/07/2009
page 24 of 34
Tools required (metric):
- diaphragm key w/f 46 (enclosed in the set of seals)
- open ended wrench w/f 14 / 17
- hexkeysize4
☞ Please read section ”Replacing diaphragms and valves” completely before
starting maintenance.
 Partiallythepicturesshowpumpsinotherversions.Thisdoesn’tinuencereplacingdiaphragmsand
valves of the pump.
➨ Useahexkeysize4toloosenthesixsocketheadscrews
at the pump head and remove the upper housing (housing
cover with housing cover insert).
☞ Never remove parts 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).
➨ Use open-ended wrench (w/f 17) to loosen the union nut at
thehoseconnectionnexttothegasballast.
➨ Useopenendedwrench(w/f14)toturntheelbowtting
1/4 of a turn, disconnect the hose. Do not remove the el-
bowttingfromthepumphead.
☞ Through reassembly a leak may result.
7.1 Cleaning and inspecting the pump heads