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39
PI Operation Manual
28.
Place and tighten the coupling screws. Tighten the screws crosswise to ensure a uniform
assembly.
Figure 6.28 Placing and tightening the coupling screws.
Inspection point: Rotate the rotor by hand to verify that the coupling has been
installed correctly. If not, disassemble the coupling and repeat the last six steps.
29.
Tighten the setscrews of the rotating part of the mechanical seal. To ensure future effective
performance of the mechanical seal press down the rotating part while tightening the setscrews.
Figure 6.29 Tightening the setscrews of the rotating part of the mechanical seal.
30.
Insert the tubing connector in the seal pipe.
Figure 6.30 Inserting the tubing connector in the seal pipe.
