WDX USER INSTRUCTIONS ENGLISH 71576322 06-05
Page 35 of 46
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6.8.4 Dismantling shaft sealing
6.8.4.1 Packing
The gland packing replacement does not require
further dismounting operations.
Remove the gland nuts [6581].
Remove the flange [4120].
Pull the gland [4131] as far as possible away from the
stuffing box.
Pull out the packing [4130] one after the other taking
care to avoid marking the sleeve.
Check the surface quality of the sleeve for any
running marks made by the packing (for sleeve
changing, thrust and line bearing assemblies must be
dismounted, see sections 6.8.2 and 6.8.3).
6.8.4.1 Mechanical seal
The replacement of a mechanical seal requires the
dismantling of thrust and line bearing assembly. The
dismantling procedure of the mechanical seal is self
explanatory when viewing the respective seal
drawing.
6.8.5 Dismantling of balancing drum and ring
6.8.5.1 Variants WDXR/E/S
Dismantle the thrust bearing assembly see section
6.8.2.
Provide independent support under the discharge
casing.
Remove the eight cap screws [6570-06] of the
bearing support [3140].
Remove the bearing support and the sealing housing
with all seal components.
Remove the drum screws [6570-05] and the drum
ring [6234].
Remove the split ring [2510].
Pull out the drum by means of threaded holes in the
drum:
M8 (4 WDX and 3 WDX)
M6 (2 WDX and 1.5 WDX)
Remove the bushing cap screws [6570-07].
Pull out the bushing by means of threaded holes in
the bush [1600].
