M&C MP Serie Betriebsanleitung Seite 49

Diaphragm Pumps PJ19423-726 EX
Conditions
Spare parts
Tools and material
Information on procedure
Translation of Original Operating- and Installation Instructions, english, KNF PJ19423-726 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