4
Mechanical installation
Shaft-mounted gear units with TorqLOC®
Assembly and Operating Instructions – Explosion-Proof Gear Units
64
14. Manually tighten the screws of the shrink disk. Make sure that the outer rings of
the shrink disk are plane-parallel.
9007199466752779
15. Tighten the locking screws with the specified tightening torque according to the fol-
lowing table. Tighten the screws by working round several times from one bolt to
the next (not in diametrically opposite sequence).
> 0mm
18014398721495947
INFORMATION
The exact values for the tightening torques are shown on the shrink disk.
INFORMATION
Standard shrink disks and stainless steel shrink disks have the same tightening
torques.
Gear unit type
Locking screw
Tightening torque
± 4%
FT..
KT..
ST..
WT..
ISO 4762
Nm
–
–
37
37
M5
4
37
37
47
47
M6
12
47/57/67
39/47/49/57/67
57/67
-
M6
12
77/87/97
77/87/97
77/87/97
–
M8
30
107
107
–
–
M10
59
127/157
127/157
–
–
M12
100
16. After installation, make sure the remaining gap "s" between the outer rings of the
shrink disk is > 0 mm.
24804134/EN – 05/2018
