Cyclo® BBB4
Operation & Maintenance Manual
13
Cyclo® BBB4
Torque Arm Installation,
continued
Tie Rod Type Torque Arm
2
Position the torque arm so it will be in tension during unit operation .
Consider installing two torque arms for reversing applications to allow torque arm to
be in tension for each direction of rotation .
3
Position the torque arm as close as possible to 90° relative to the unit output bore /
driven equipment shaft .
Sumitomo does not recommend combining torque arm assemblies to achieve a
greater overall length .
4
After inserting the torque rod into the mounting surface, carefully tighten nuts on
either side of torque rod .
Do
not
over tighten nuts . Tighten to point where rubber bushings can still be
hand rotated when the unit is turned off .
Before starting unit, verify the following:
• The torque arm will be in tension when the unit is in
operation .
• The torque arm is aligned with the reducer housing .
• The torque arm is perpendicular to the axis of the output / driven shaft .
• The threaded arm is not touching the reducer housing .
UNIT ROTATION
OPTIMUM MOUNTING
ACCEPTABLE MOUNTING
Customer
Mounting
Surface
Bushings are free
to rotate by hand
90
30
30
15
15
