Bolt Tightening Torques - DEMAG ZBA Assembly Instructions Manual

Arrangement of brake springs for ZBF motors
26)
4 rt, 2 bl
31)
3 bl
36)
1rt, 5 bl
= Bore hole
empty

9.4.5 Bolt tightening torques

For hexagon socket bolts to DIN 912 and to DIN 6912 for IM B 14 fl ange mounting
Bolt size
Tightening torque
For VERBUS RIPP self-locking bolts for
Bolt size
Tightening torque for
grey cast iron
Tightening torque for
aluminium casting
82
27) 28)
4 rt
32) 33)
5 rt, 1 bl
37) 38)
1rt, 4 bl
= rt,
red spring
Tighten the bolts on Demag ZB. motors to the tightening torques given in the table
below. This also applies when high-tensile bolts are used.
Bolt tightening torques
M 5 M 6
6,2 Nm 10,5 Nm
• IM B 3 foot mounting
• IM B 5 fl ange mounting
M 5 M 6
7,5 Nm 14 Nm
9 Nm 18 Nm
NOTE. Tighten the retaining bolts of the terminal box cover to a tightening torque
i
of 2,5 – 3 Nm.
29)
3 rt
34)
5 rt
5 bl
= bl,
blue spring
M 8 M 10
25 Nm 50 Nm
M 8 M 10
30 Nm 65 Nm
45 Nm 75 Nm
30)
6 bl 4 bl
35)
4 rt, 1 bl 3 rt, 1 bl
42506946.eps
M 12 M 16
86 Nm 215 Nm
M 12 M 16
100 Nm 270 Nm
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