KSB KWP-Bloc, Installation & Operating Manual

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7 Servicing/Maintenance
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KWP-Bloc
CAUTION
Contact of O-ring with graphite or similar material
Fluid could escape!
▷
Do not coat O-ring with graphite or similar material.
▷ Use animal fats or lubricants based on silicone or PTFE.
▪ Assembly adhesives
– For gaskets, avoid the use of assembly adhesives if possible.
– If assembly adhesives are required, use a commercially available contact
adhesive (e.g. "Pattex").
– Only apply adhesive at selected points and in thin layers.
– Never use quick-setting adhesives (cyanoacrylate adhesives).
– Coat the locating surfaces of the individual components and screwed
connections with graphite or similar before reassembly.
Tightening torques For reassembly, tighten all screws and bolts as specified in this manual.
(
ð Section 7.6, Page 47)
7.5.2 Installing the shaft and rolling element bearing
ü
The individual parts have been placed in a clean and level assembly area.
ü All dismantled parts have been cleaned and checked for wear.
ü Any damaged or worn parts have been replaced by original spare parts.
ü
The sealing surfaces have been cleaned.
1. Slide rolling element bearing 321.01 onto shaft 210.
2. Slide on circlip 932.20.
3. Insert O-ring 412.11.
4. Fit insert ring 513.11.
5. Half-fill the space between insert ring 513.11 and rolling element bearing
321.01 with a multi-purpose high-temperature resistant grease of NLGI grade 2/
KP 2 P-20.
6. Apply a thin coat of oil to the outside diameter of rolling element bearing
321.01.
7. Insert shaft 210 into intermediate lantern 146.
8. Slip joint ring 411.77 onto the shaft.
9. Insert circlip 932.01.
7.5.3 Fitting the mechanical seal
The following rules must be observed when installing the mechanical seal:
▪ For installing the mechanical seal, refer to general assembly drawing.
▪ Work cleanly and accurately.
▪ Only remove the protective wrapping of the contact faces immediately before
installation takes place.
▪ Exclude any damage to the sealing surfaces or O-rings.
▪
After inserting the mating ring, check that it is plane-parallel in relation to the
casing part.
▪
The surface of the shaft protecting sleeve must be absolutely clean and smooth,
and the sleeve's mounting edge must be chamfered.
▪ When sliding the rotating unit onto the shaft protecting sleeve, take appropriate
steps to protect the surface of the shaft protecting sleeve from damage.