Screwed Joints - Siemens 3EL2 Operating Instructions Manual

1 Polymeric composite housing
2 Protective packing for installation/transport
Fig. 5 Protective packing for installation/transport

Screwed joints

For mounting the arrester use only the bolts supplied.
Grease the bolt threads with Molykote Longterm 2 plus.
Necessary torque for screwed joints:
© Siemens AG • 07/2003
Attention
Unchecked tightening can result in damage to or loosing of bolt
joints
Use torque wrench for assembly.
M 8: 18 ± 2 Nm
M 10: 35 ± 5 Nm
M 12: 60 ± 5 Nm
M 16: 90 ± 10 Nm
M 20: 105 ± 10 Nm
13 ± 1.5 ft lb
25 ± 4 ft lb
43 ± 4 ft lb
65 ± 7 ft lb
75 ± 7 ft lb
7