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Thank you very much for purchasing Cheonsei PDS pumps.
Before beginning operation, please read this instruction manual carefully. Correct
handling, repair, & maintenance are described easily. Please use this pumps safely
to be guaranteed performance & long life of the pump after reading this instruction manual.
Please keep this instruction manual at the place where you can see it easily.
1. Notice for Safety ………………………………………………………………… 4
2. Confirmation of Product
………………………………………………………… 5
3. General …………………………………………………………………………… 5
4. Model Code ……………………………………………………………………… 6
5. Standard Liquid End Material …………………………………………………… 6
6. Specification
……………………………………………………………………… 7
7. Performance Curves ……………………………………………………………… 8
8. Operation Principle and Structure ……………………………………………… 8
9. Installation ………………………………………………………………………… 9
10. Operation ……………………………………………………………………… 12
11. Maintenance …………………………………………………………………… 13
12. Cause of Trouble and Troubleshooting …………………………………… 15
13. Replacement of Parts ………………………………………………………… 16
14. Consumable Parts and Spare Parts ………………………………………… 18
15. Warranty ……………………………………………………………………… 18
16. Repair Service ………………………………………………………………… 18
17. Accessories …………………………………………………………………… 19
18. Structure & Part Name of Check Valve ……………………………………… 19
Contents
Introduction