Wilo Flumen OPTI-TR 20-1 Instrucciones De Instalación Y Funcionamiento página 51

13.3.6.2 Replacing the connection cable
13.3.6.3 Changing the mechanical seal
Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 28-1, 30-1, 40-1 Wilo-Flumen EXCEL-TRE 20, 30, 40
Appendix
If the housing coating has to be repaired, the maximum coat thickness is 2 mm (0.08 in)!
Changing the connection cable is strictly prohibited!
Changing the seal on the motor side is strictly prohibited!
en-US
51