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UTD.187.2019.09.00_EN Operating instructions G series
Reaction bolt using disc spring
For sizes 140 ... 360 C2I, 2I, 3I, in B3 or B8 mounting position, ensure that the housing oscillation, during
the running, does not overtake – towards the top – the horizontal position.
Rigid or fl exible torque arm using bracket
If the direction of rotation is opposite to that given in the fi g. rotate the torque arm by 180° (operation not
necessary in case of fl exible torque arm).
System with torque arm
According to dimensions, some ounting positions of motor fl ange torque arm could not be possible.
Before mounting the torque arm, carefully clean the torque arm, all coupling surfaces and apply locking
adhesives on the screws and on mating surfaces. Tighten the screws by a dynamometric wrench at values
shown in the table 5.2.1 «Tightening torques».
UT.C 2121
UT.C 2122