KSB CTN - Priming and Venting the Pump; Final Check

6 Commissioning/Start-up/Shutdown
29 of 76
CTN / CTN-H
6.1.4 Priming and venting the pump
DANGER
Formation of a potentially explosive atmosphere inside the pump
Explosion hazard!
Damage to the pump!
▷ Make sure that the fluid level does not fall below the minimum level when
starting the pump.
▷ The pump's interior (volute casing) in contact with the fluid handled and the
auxiliary systems must be filled with the fluid handled at all times.
▷ Provide sufficient inlet pressure.
▷ Provide an appropriate monitoring system.
DANGER
Plain bearing failure caused by insufficient lubrication
Explosion hazard!
Damage to the pump!
▷ Make sure that the fluid level does not fall below the minimum level.
DANGER
Shaft seal failure caused by insufficient lubrication
Leakage of hot or toxic fluid handled/vapours!
Damage to the pump!
Health hazard!
▷ Monitor the barrier fluid pressure of the mechanical seal.
▷ Tighten the gland packing gently and evenly.
▷ Monitor the barrier fluid/flushing fluid.
Wet installation 1. Make sure that the fluid level does not fall below the minimum level.
The volute casing must be fully submerged.
2. Fully open all auxiliary connections (barrier fluid, flushing fluid, etc.).
Dry installation 1. The pump casing and suction line must be filled with the fluid handled.
2. Fully open the shut-off element in the suction line.
3. Fully open all auxiliary connections (barrier fluid, flushing fluid, etc.).
6.1.5 Final check
1. Remove the contact guard.
2. Check the coupling alignment; re-align the coupling if required.
(ðSection5.3,Page20)
3. Check that the coupling and shaft can easily be rotated by hand.
4. Re-mount the contact guard.
5. Check the distance between coupling and contact guard.
The coupling and contact guard must not come into contact.