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Mechanical installation
Important notes
• Install the product according to the information in the chapter "Standards and operating conditions".
4Standards and operating conditions
• The technical data and the data regarding the supply conditions can be found on the nameplate and in
this documentation.
• Ambient media − especially chemically aggressive ones − may damage shaft sealing rings, lacquers and
plastics.
• Lenze offers special surface and corrosion protection in this case.
Preparation
• Protect shaft sealing rings from contact with solvents.
• Remove protection covers from shafts.
• Thoroughly remove anticorrosion agents from the shaft and from flange faces.
• Draw the transmission elements onto the output shaft only by using the centering thread.
• Align the output shaft and transmission elements exactly to avoid tensions.
• Mount belt pulleys, sprockets, or gear wheels as close as possible to the shaft shoulder in order to keep
the bending load of the shaft and the bearing forces at a minimum level.
• Tighten all screw connections with the specified torques and secure them with standard screw locking
adhesive.
• Check paint for damage and repair professionally.
Thread
Strength
8.8
Nm
10.9
Nm
Installation
• The mounting surfaces must be plane, torsionally rigid and free from vibrations.
• The mounting areas must be suited to absorb the forces and torques generated during operation.
• Ensure an unhindered ventilation.
• For versions with a fan, keep a minimum distance of 10 % from the outside diameter of the fan cover in
intake direction.
Mounting positions
The gearboxes can be mounted in any position.
Ventilation
No ventilation measures are required for the gearboxes.
^ 69
M3
M4
M5
M6
1.3
3.0
5.9
10.1
1.9
4.6
8.6
14.9
M8
M10
M12
M16
Tightening torque Nm ±10 %
24.6
48
84
206
36.1
71
123
302
Mechanical installation
Installation
Ventilation
M20
M24
M27
M30
415
714
1050
1428
592
1017
1496
2033
55
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