Pomac Pumps PLP - Page 22

User manual Pomac PLP Lobe pump
22 CE/PLP (1406) EN-12
Once the system is clean:
9. Unscrew the cap nuts and remove the front cover and the O-ring.
10. Remove the rotor retainers and remove both dummy-rotors from the shafts.
11. Remove the shaft sleeve or the rotating seal part from the dummy-rotors and refit them in the
rotors.
12. Fit the rotors to the shafts, fit the O-rings and fit the rotor retainers with the proper torque, as
indicated in the table below.
Type
Torque rotor retainers [Nm]
PLP1
36
PLP 15
36
PLP2
62
PLP3
155
PLP4
300
13. Block the rotors against co-rotation using a proper fitting wooden or plastic dowel.
14. Fit the O-ring into the front cover and fit the front cover to the rotor case.