Torque Rotary Unit ST0055A / ST0075A / ST0140A
Mounting
8
Mounting
8.1
Prerequisites for mounting
Prior to mounting, verify that the dimensions of the installation site and construction conditions meet
the requirements and the dimensions specified in these mounting instructions and the applicable
documents.
■
Verify that the supporting base is level and rigid.
■
Verify that the supporting structure at the installation site has a sufficient structural strength to carry
the weight of the product and of all loads.
8.2
Equipment and tools
The following is required for mounting:
■
Set of hex keys
■
Torque wrench
8.3
Tightening torques and property classes
Only use screws with the property class shown in the following table unless a different property class is
explicitly specified for a screw connection.
Use the tightening torque shown in the following table unless a different tightening torque is explicitly
specified for a screw connection.
Property class of screws
10.9 (coefficient of friction μ
tot.
0.12)
Thread
M5
M8
Tightening torque (as per property class 8.8 due
to aluminum housing)
6 Nm
25 Nm
8.4
Bolting down the product
WARNING
FALLING, TOPPLING, OR LOWERING LOADS
Failure to follow these instructions can result in death, serious injury, and
equipment damage.
■
Verify that the product is properly secured against falling and toppling.
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