Fig. 11: Pump head replacement
1. Disassemble suction and pressure lines.
2. Loosen pump head screws (Pos. 28) crosswise by 90°.
3. Loosen pump head screws crosswise by 90° once more.
4. Unscrew pump head screws completely.
5. Remove pump head (Pos. 10).
6. Unscrew diaphragm (Pos. 30), turn counter-clockwise.
7. Clean front and back side of the diaphragm.
8. Check diaphragm for wear (cracks, chemical attack), replace if necessary.
9. Screw in diaphragm with 2.5 Nm.
10. Fit the new pump head in the proper position (dispensing direction arrow (Pos. 25)
must point up).
11. Insert pump head screws and tighten them crosswise by hand
Do not use tools: Do not tilt or jam the pump head when installing!
12. Gradually tighten pump head screws crosswise 180° at a time, until a clear
resistance is felt and the pump head fits completely. Not till then:
13. Tighten pump head screws crosswise with 3.75 Nm.
14. Install suction and pressure lines, and tighten union nuts by hand without using tools.
15. Activate pump.
16. Bleed pump.
17. Check that all connections are tight.
7.2 Spare parts
Description Article no. (EBS no.)
Pump head 20 l complete PPEPKE – O-Rings in EPDM 206001 (10010658)
Pump head 20 l complete PPFPKE – O-Rings in FPM 206002 (10010663)
Pump head 20 l complete PVDFEPKE – O-Rings in EPDM 206003 (on request)
Pump head 20 l complete PVDFFPKE – O-Rings in FPM 206004 (on request)
Diphragm for 20 l Pump head 30601023 (10010677)
Maintenance and Spare parts
37 Rev. 5-06.2018
To Next Page
Loading...
Need help?
General
