Document
ma-mswg-en1817
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Assembly Instructions
MSW from M72 to M140
©Spieth
Proprietary
notice
ISO 16016
Previous document: ma-mswg-en1604
See
www.spieth-me.de/english/service-download/catalogue-instructions/
For any questions, requests or suggestions, please contact
info@spieth-me.de
3.2 Ambience/Environment
During assembly, ensure that...
the assembly location is clean and free from dust,
the components have no contact with corrosive media,
foreign bodies such as sand, sawdust, fluff, etc. are kept away from the component,
metal filings (in particular from machining tools such as files, etc.) are kept away from the component.
Caution!
Contamination can significantly impact the functionality and service life of Spieth locknuts.
For best results, use a suitable, enclosed space for assembly and proceed swiftly. If this is not possible, make sure
to protect the components from ambient contamination and from damage.
3.3 Assembly process
Essentially, assembly is a 4-step process:
1. Screwing
2. Aligning
3. Locking
4. Pretensioning
For an optimum mode of action of Spieth locknuts, perform all four assembly steps in the specified order.
Caution!
To apply the locking force, use only original Spieth clamping screws. Do not actuate the clamping
screws until the nut thread has been fully screwed onto the spindle thread.
Otherwise, damage such as plastic deformation may occur on the locknut and render it unusable.
Use only the following assembly process for assembling Spieth MSW series locknuts:
3.3.1 Screwing:
First clean, lightly oil and then screw the locknut onto the spindle thread but avoid contact with the end face. It is
recommended to lightly oil the spindle thread, too. Since the nut thread is coordinated with the clearance of the
spindle thread, you can easily do this manually. We recommend maintaining sufficient distance to the planar
support while ensuring that the locking part of the nut body is fully screwed onto the spindle thread.
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