Krautzberger MP-520, Operating Instructions Manual

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7.5 Replace valve parts
1. Clean diaphragm pump ( Ä Chapter 7.4 ‘Clean the diaphragm pump’ on page 30 ).
2. Make sure that the compressed air supply is switched off and secured against a restart.
3. Reduce the material pressure by activating the extraction point.
Fig. 9: Valve parts
4. Unscrew the hexagon screws ( Fig. 9/1).
5. Remove the bridge ( Fig. 9/2).
6. Remove the flat seals ( Fig. 9/3), ball cages ( Fig. 9/4), valve balls ( Fig. 9/5) and the valve
seat ( Fig. 9/6).
7. Check all parts for damage and wear and replace them as necessary.
8. Replace diaphragms ( Ä Chapter 7.6 ‘Replace the diaphragm’ on page 33 ).
Diaphragm pump MP-520
ENGLISH
Article No. 200-0216, 200-0330 GB–31