4
Mechanical installation
Torque arms for shaft-mounted gear units
Assembly and Operating Instructions – Gear unit series R..7, F..7, K..7, K..9, S..7, SPIROPLAN
®
W
36
4.4.4
Mounting torque arms for helical-worm gear units
The following figure shows the toque support for helical-worm gear units.
[1]
4
5
º
9007199466232715
[1]
Bushing
Proceed as follows:
1. Apply bearings to both sides of the bushing [1].
2. Use screws and tightening torques according to the following table:
Gear unit
Screws
Tightening torque ± 10 %
Nm
S..37 /T
4 x M6 × 16 – 8.8
11
S..47 /T
4 x M8 × 25 – 8.8
25
S..57 /T
6 x M8 × 25 – 8.8
25
S..67 /T
4 x M12 × 35 – 8.8
86
S..77 /T
4 x M12 × 35 – 8.8
86
S..87 /T
4 x M16 × 45 – 8.8
210
S..97 /T
4 x M16 × 50 – 8.8
210
21932786/EN – 05/2015