4
Mechanical installation
Gear unit with solid shaft
Assembly and Operating Instructions – Explosion-Proof Gear Units
44
Using a mounting device
The following figure shows a mounting device for installing couplings or hubs on gear
unit or motor shaft ends. Should you be able to tighten the screw without any prob-
lems, you may not need the thrust bearing on the mounting device.
[1]
[3]
[2]
211368587
[1]
Gear shaft end
[3]
Coupling hub
[2]
Thrust bearing
Avoiding excessive overhung loads
To avoid high overhung loads, mount gears and sprockets according to figure
B
.
[A]
[B]
[1]
[1]
211364235
[1]
Hub
F
X1
Overhung load at point X1
[A]
Incorrect assembly
[B]
Correct assembly
24804134/EN – 05/2018
