Diaphragm Pumps PJ19424-726 EX
Conditions
Spare parts
Tools and material
Information on procedure
Translation of Original Operating- and Installation Instructions, english, KNF PJ19424-726 EX 09/16 19
8.3. Replacing molded diaphragm and valve plates
Motor disconnected from mains and de-energized
Pump free of dangerous substances
Spare part*
Molded Diaphragm
Valve plate
Valve body
Sleeve
O-ring
* According to Spare parts list, chapter 10
** According to Fig. 4.
Tab. 12
Quantity Tools/Material
1
Allen key 4 mm
1
Screwdriver blade width 5.5 mm
1
Socket wrench 27 mm
1
Felt-tip pen
Tab. 13
Always replace the molded diaphragm, valve plates, valve
bodies, sleeves and O-rings together to maintain the pump
performance.
Danger of explosion from generation of
explosive atmosphere!
Leaky connections can lead to dangerous explosive
atmospheres.
WARNING
Make sure that molded diaphragm, valve plates,
valve bodies, sleeves and O-rings are not dam-
aged, clean and properly installed.
Check pneumatic pump connections for leaks.
Work carefully when performing servicing.
Replace defective parts immediately.
Health hazard due to dangerous substances
in the pump!
Depending on the substance transferred, caustic
burns or poisoning are possible.
WARNING
Wear protective clothing if necessary, e.g.
protective gloves.
Clean pump with suitable measures.
Position**
Quantity
(K)
1
(T)
2
(F;G) identically
2 pieces in total
(U)
2
(S)
2
Servicing