SEW-Eurodrive M1 N Series, Руководство по сборке и эксплуатации

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5
Installation/assembly
Installing the gear unit
Assembly and Operating Instructions – M1..N Series Single-Stage Helical Gear Units
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5.5.3 Tightening torques: Retaining screws of gear unit mount-on parts
Tighten the screws of gear unit mount-on parts and protection covers using the follow-
ing tightening torque.
INFORMATION
The tightening torque does not apply to mounting types such as rigid flange coupling
etc. You find the relevant tightening torques in the individual chapters.
Bolt/nut Tightening torque
Strength class 6.8
[Nm]
M6 7.9
M8 19.5
M10 38
M12 67
M16 160
INFORMATION
Do not lubricate the bolts during assembly.
5.5.4 Aligning the shaft axis
WARNING
Shafts can break if the shaft axis is not aligned accurately.
Severe or fatal injuries.
• Refer to the separate operation instructions regarding the requirements of the
couplings.
The service life of the shafts, bearings and couplings depends on the precision of the
alignment of the shaft axes with each other.
Always try to achieve zero misalignment. When doing so, you should also consult the
special operating instructions regarding the requirements of the couplings, for ex-
ample.
29203856/EN – 03/2020