Diaphragm Pumps UN035_I EX
Servicing
23
8.3.2. Pumps with stainless steel head
UN035_SN_I EX
UN035_ST_I EX
UN035_SV_I EX
▪
Motor disconnected from mains and de-energized
▪
Pump is clean and free of hazardous materials
Spare part*
Position**
Quantity per
pump head
Diaphragm
(F)
1
Flathead screw*** (D)
1
Valve plate
(Z)
1
Tab. 9
* According to Spare parts list, chapter 10
** According to Fig. 13
***Not for .9 versions
Quantity Tools/Material
1
Allen key 4 mm
1
Allen key 5 mm
1
Screwdriver blade width 6.5
1
Pencil
1
Adjustable pin
–
wrench for two-hole nuts or KNF
wrench for retainer plate (see accessory, section 10)
(only for .9 versions)
Tab. 10
With multi-head pumps, parts of the individual pump heads can be
confused.
Replace the diaphragm and valve plate of the individual pump
heads consecutively.
WARNING
Health hazard due to dangerous substances
in the pump!
Depending on the substance transferred, caustic
burns or poisoning are possible.
Wear protective clothing if necessary, e.g.
protective gloves.
Flush pump with air before replacing the
diaphragm and the valve plate (see section
8.2.1).
Conditions
Spare parts
Tools
Information on procedure
