Start-Up/Commissioning, Shutdown; Preparations; Lubricants; Shaft Seal - KSB WKLn Installation & Operating Manual

4. Start-up/Commissioning, Shutdown

4.1 Preparations

4.1.1 Lubricant
The grease-lubricated bearings have already been packed with grease.

4.1.2 Shaft Seal

Check seal (6.4.2)
• Single cartridge seal
• Elastomer bellows
• Independent of direction of rotation
• Stationery seat, rotating spring
• Bellows and spring free from torsion

4.1.3 Priming the Pump and associated Checks

The shutoff valve in the suction line must be fully open.
Fully open all auxiliary connections (flushing, sealing and cooling fluids). Check the
flow. Open the shut-off valve in the vacuum line (if fitted) and close the vacuum-
tight shut-off valve "E" (Fig 6)
DANGER
Formation of a potentially explosive atmosphere inside the pump
Explosion hazard!
▷ Before starting up the pump set, vent the pump, mechanical seal housing and
suction line, and prime them with the fluid to be handled.
CAUTION
Increased wear due to dry running
Damage to the pump set!
▷ Never operate the pump set without liquid fill.
▷ Never close the shut-off element in the suction line and/or supply line during
pump operation.

4.1.4 Checking the Direction of Rotation

• Align the pump and driver
• Do not connect the coupling between the pump and driver
• Start driver, the direction of rotation must correspond to the
arrow on the pump.
• Connect coupling
• Fit coupling guard
WKLn
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