KNF SC 950, Руководство по эксплуатации, Страница: 46 / 64

Servicing Vacuum Pump System SC/SEM/SH/SR950
46 Translation of original Operating Instructions, English, KNF 125549-125552 07/18
9.3. Replacing diaphragms and valve plates

Pump disconnected from mains and de-energized.

Vacuum pump system is clean and free of hazardous materials

Hoses removed from pump’s pneumatic inlet and outlet.
Qty Material
1 Phillips-head screwdriver No. 2
1 3-mm hexagon screwdriver
1 2.5-mm hexagon screwdriver
1 Open end wrench 7 mm
1 Service Set (see chapter 11, page 59)
1 Pencil
Tab. 7

Always replace diaphragms and valve plates together to
maintain the pump performance.
WARNING
Health hazard due to dangerous substances
in the vacuum pump system and pump!
Depending on the substance transferred, caustic
burns or poisoning are possible.

Wear protective clothing if necessary, e.g.
protective gloves.

Flush vacuum pump system before replacing the
diaphragms and valve plates (see chapter 9.2.1,
page 44).
CAUTION
Danger of burns from hot pump parts
The pump head or motor may be hot even after the
pump has been shut off.

Allow the pump to cool off after operation.
Conditions
Tools and material
Information on procedure