Cyclo® BBB4
Operation & Maintenance Manual
17
Cyclo® BBB4
Torque Arm Installation,
continued
T-Type Torque Arm
Top View
4
Confirm that the
rubber bushings
can still be rotated by hand . This indicates the
bushing has not been over tightened .
Compressed bushings will not allow the bushings to properly absorb the
loads of the shaft mounted gearbox . This can lead to premature failure .
Mounting angle bracket must be secured to the machine structure .
5
Confirm the mounting angle bracket does not interfere with the torque arm .
There should be no metal-to-metal contact between the two during a complete
revolution of the driven equipment .
Metal-to-Metal contact between these two components may lead to
catastrophic failure of the reducer/ gearmotor .
Unit Size
Bracket Tab Bore
Typical Bolt Size
[1]
4A
Ø18mm
M16
4B
Ø22mm
M20
4C
Ø26mm
M24
4D
Ø33mm
M30
4E
Ø33mm
M30
4F
Ø39mm
M36
Table 13 . T-Type Bolt Dimensions
Note: [1]
Bolt class should be greater or equal to ISO/JIS Class 8 .8 . Application with multiple start/stops and/or shock
loading should use ISO/JIS 10 .9 at a minimum .
