Placement Of The Reaction Arm - Gedore DVV-13Z Operating Instructions Manual

4.2 Placement of the Reaction Arm

When the Torque Multiplier is in operation, the reaction arm rotates in
the opposite direction to the output square and MUST be placed
squarely against a solid object or surface adjacent to the bolt to be
tightened.
ALWAYS select an anchor point (wall, another bolt) sufficient to
withstand torque reaction forces. Reaction torque equals output
torque.
Straight version reaction arm with adjustable reaction "slave" square:
To brace the reaction arm on a wall:
1. Remove the locking knob on the Torque Multiplier.
2. Brace the reaction arm (C) on a wall.
3.
Make sure that the reaction arm is perpendicular to the wall.
C
Given overturning, torques for this type of torque reaction are limited
to 80% of the maximum permissible torque.
EN
19
C