Sumitomo Cyclo BBB4 - Page 20

Cyclo® BBB4
Operation & Maintenance Manual 19
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o.
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