4
Mechanical installation
AD input shaft assembly
Assembly and Operating Instructions – Explosion-Proof Gear Units
86
Type
Screw-in
depth t
Retaining
thread
Tightening torque T
A
for connection screws
of strength class 8.8
mm
Nm
AD2/ZR
25.5
M8
27
AD3/ZR
31.5
M10
54
AD4/ZR
36
M12
93
AD5/ZR
44
M12
93
AD6/ZR
48.5
M16
230
AD7/ZR
49
M20
464
AD8/ZR
42
M12
93
Permitted loads
NOTICE
Overloading of the gear unit due to excessive weight or excessive power rating of an
attached motor.
Gear unit failure
•
Note that the load data specified in the following table are not to be exceeded.
•
Make sure that the approved power rating (torque and speed) on the adapter is
observed according to the nameplate.
NOTICE
Danger due to static overdetermination when motors are additionally attached via a
foot plate.
Damage to property
•
A motor attached at the foot relieves the interface on the adapter, but you have to
make sure that the attached foot-mounted motor is attached to the customer’s
construction stress-free.
The following figure shows the permitted force application points for the permitted ma-
ximum weights:
x
F
R
F
F
R
Motor's center of gravity
F
R
Overhung load
X
Distance from adapter flange – motor
center
24804134/EN – 05/2018
