Start-Up - KSB WKLn Installation & Operating Manual

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4.2 Start-up

Start the set up against a closed discharge valve only. Slowly open the discharge
valve to obtain the required duty point after the pump has reached full speed.
N.B.
After the pump has reached its working temperature and/or if the pump leaks, shut
the set down and tighten the tie bolts.
DANGER
Excessive temperatures due to dry running or excessive gas content in the fluid
handled
Explosion hazard!
Damage to the pump set!
▷ Never operate the pump set without liquid fill.
▷ Prime the pump as per operating instructions.
▷ Always operate the pump within the permissible operating range.
WARNING
The suction casing, discharge casing, stage casing, seal housing and seal cover take
on the same temperature as the fluid handled.
Risk of burns!
▷ Do not touch hot components.
WARNING
The temperature at the bearing bracket can exceed 60 °C during operation.
Risk of burns!
▷ Do not touch hot components.
CAUTION
Abnormal noises, vibrations, temperatures or leakage
Damage to the pump!
▷ Switch off the pump (set) immediately.
▷ Eliminate the causes before returning the pump set to service.
CAUTION
Start-up against open discharge line
Motor overload!
▷ Make sure the motor has sufficient power reserves.
▷ Use a soft starter.
▷ Use speed control.
WKLn