7 Appendix
B 1000 en-4419 47
7 Appendix
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7.1 Versions and maintenance
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Explanation of symbols for the following mounting position illustrations:
Venting
Oil level
Oil drain
Information
SK 320, SK 172, SK 272, SK 372 as well as SK 273 and SK 373, SK 01282 NB, SK 0282 NB,
SK 1382 NB and UNIVERSAL / MINIBLOC gear units are lubricated for life. These gear units do not
have an oil filler screw.
UNIVERSAL / MINIBLOC worm gear units
NORD UNIVERSAL / MINIBLOC worm gear units are suitable for all installation positions. They have
an oil filling which is independent of the mounting position.
As an option, types SI and SMI can be equipped with a vent screw. Gear units with vents must be
installed in the stated mounting position.
Types SI, SMI, S, SM and SU as 2-stage gear unit types and types SI, SMI as worm gear units for
direct motor mounting have an oil filling which depends on the mounting position and must be installed
in the stated position.