5 Reaction arms
The reaction arms can be used together with hydraulic tools, pneumatic tools and electric
tools.
There are different types of reaction arms to operate the tool.
5.1 Standard reaction arm (360°)
The length of the reaction arm is fixed. One standard heavy-duty socket must be used
together with the reaction arm.
Procedure
1. Place the socket over the nut as far
as possible.
2. Place the reaction arm as shown.
3. Place the tool as shown.
5.2 Standard reaction arm (360° x 360°)
The length of the reaction arm is fixed. The height of the reaction arm is adjustable. One
standard heavy-duty socket must be used together with the reaction arm.
Note:
The best reaction point is immediately above the flange surface. When the
reaction point is higher we recommend to limit the torque output to the
percentages as shown.
Reacting higher creates unwanted bending forces in the boltshaft and the
bolting tool. Avoid these bending forces to improve torque- and boltload
accuracy, and to improve durability of the tool and socket driver (especially for
allen hex sockets).
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Reaction arms
47 - 001 - 21
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