7 Servicing/Maintenance
39 of 62
Etanorm V
1228.87/01-EN
7. Undo and remove casing cover 161 with tie bolts 905.
8. Separate support column 712, cover plate 68-3.01 and drive lantern 341.
7.5 Reassembling the pump set
7.5.1 General information/Safety regulations
WARNING
Improper lifting/moving of heavy assemblies or components
Personal injury and damage to property!
▷
Use suitable transport devices, lifting equipment and lifting tackle to move
heavy assemblies or components.
CAUTION
Improper reassembly
Damage to the pump!
▷
Reassemble the pump (set) in accordance with the general rules of sound
engineering practice.
▷
Use original spare parts only.
Sequence
Always reassemble the pump in accordance with the corresponding general assembly
drawing or exploded view.
Sealing elements
Check O-rings for any damage and replace by new O-rings if required.
Always use new gaskets, making sure that they have the same thickness as the old
ones.
Always fit gaskets of asbestos-free materials or graphite without using lubricants
(e.g. copper grease, graphite paste).
Assembly aids
Avoid the use of assembly adhesives if possible.
Should an assembly adhesive be required after all, use a commercially available
contact adhesive (e.g. Pattex) or sealant (e.g. HYLOMAR or Epple 33).
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 with graphite or similar
before reassembly.
Prior to reassembly, screw back any forcing screws and adjusting screws.
Tightening torques
For reassembly, tighten all screws and bolts as specified in this manual.
(
7.5.2 Installing the plain bearing in the casing cover
ü
The casing cover and the individual parts of the plain bearing are kept 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Any damaged or worn parts have been replaced by original spare parts.
1. Evenly press bearing bush 545 into casing cover 161.
2. Fit O-rings 412.24 on bearing cartridge 381.01.
3. Wet the O-rings at the bearing cartridge with water or a suitable lubricant and
press them into the fitted bearing bush 545.
4. Place bearing housing 350 on bearing cartridge 381.01 and fasten it with bolts
901.33 at casing cover 161. Take care not to damage O-ring 412.24 when fitting
bearing housing 350.
5. Fasten the plain bearing assembly to casing cover 161 with bolts 901.33.
Summary of Contents for Etanorm V
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