Dismantling the Agitator Lantern

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● Push the agitator lantern (3005) onto the shaft (3700/6000)

	CAUTION
Take care that the supporting disc (3050) and the shim disc (3040) is on the plain of the shaft

● Remove the lifting gear

● Connect the agitator lantern (3005) to the mounting flange (4500) — tighten the screws crosswise with half the final torque value, then with crosswise with the full torque value (final torque value → table chapter 4.4)

● Loosen the hexagon screws (5774) on the clamping segments (5772) and remove the clamping segments

● Push down the seal housing and evenly tighten it to the mounting flange (tightening torques → table chapter 4.4)

● Put the coupling part B (3010) onto the shaft ● Mount the bolting (3065/3070))

By tightening the bolt (3065) the shaft and the impeller(s) get lifted from the suspension device (5780) again — hence an increased resistance during tightening is normal

● Tighten the hexagon bolt (3065) with the tightening torque acc. to the table (→ chapter 4.4)

Version with mechanical seal: For mechanical seal (5010) with set screws DIN 916 (with cup point) in the rotating sleeve (005): ♦ Tighten the set screws DIN 916 For mechanical seal (5010) with clamping ring (020): ♦ Degrease the contact faces of clamping ring (020) and shaft (3700/6000) ♦ Tighten the clamping ring (020)

● Loosen the fixing segments (012), pull them out and tighten them again

● Connect the piping (5030) to the mechanical seal (5010)

● Fill the storage vessel (5020) with buffer fluid

Version with stuffing box:

	WARNING
Tighten the stuffing box gland only when the agitator stands still, do not overtighten the gland 一 hazard of damage to the shaft, in certain cases even hazard of explosion due to generation of combustible gas

Tighten the nuts such that the cup springs get under tension, but by no means get fully compressed — it shall still be possible to rotate the shaft by hand

For all versions:

● Mount the protective grids (3080) ● Lower the drive (1000/1500) (observe the insertion of the plastic drive pins (3015) into the coupling part A using the sight windows)

● Reestablish the flange connection between the drive (1000/1500) and the agitator lantern (3005) — tighten the screws crosswise with half the final torque value, then with crosswise with the full torque value (final torque value → table chapter 4.4)

● Remove the lifting gear

● Carry out the start-up procedures (→ chapter 4.4)

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