IDEAL FAST-WAY Si-Low 210 A1, Owner'S Manual, Page: 104 / 149

16
Operation & Maintenance Manual
Cyclo® BBB4
Cyclo® BBB4
16
Operation & Maintenance Manual
Cyclo® BBB4
Cyclo® BBB4
Torque Arm Introduction
A torque arm is a device used to prevent counter-rotation of the shaft mounted
reducer/gearmotor during operation.
The torque arm must be mounted in tension when torque arm
mounting point is greater than 6 inches
(150mm)
from machine
mounting point or, tie-rod or turn buckle type torque arm is used.
Torque Arm Installation
Torque Arm Introduction, Turnbuckle Type Torque Arm
1
Attach the torque arm threaded extension rod to the bevel housing, as shown
in Figure 1, at the housing corner eyelet, using the appropriate nut, bolt and
lockwasher.
• Insert the bolt through the brackets, torque arm sleeve (if supplied) and reducer housing
eyelet.
• Place the lockwasher on the bolt and secure with nut.
Unit
Size
Bolt Size
[1]
ft•lb
f
(N•m)
A M16 x 75 152 – 167
(206 – 227)
B M20 x 100 290 – 319
(392 – 431)
C M24 x 105 507 – 558
(686 – 755)
D M24 x 125 507 – 558
(686 – 755)
E M24 x 125 507 – 558
(686 – 755)
F Consult Factory
Table 6. Bolt Tightening Torques
Note: [1] Bolt Class equal to ISO/JIS Class 8.8
Turnbuckle Type Torque Arm Parts
Item Number Description Item Number Description
1 Hex Nut 7 Locke Washer
2 Lock Washer 8 Fulcrum Mounting Bracket
3 Threaded Extension Rod 9 Hex Bolt
4 Turnbuckle 10 Locking Nut (if supplied)
5 Threaded Arm 11 Locking Nut (if supplied
6 Hex Bolt 12 Hex Bolt
Table 5. Turnbuckle Type Torque Arm Parts
Insert Bolt
Tighten Nut
1 2 3 4 5 6 7
12 9 10 11 8
Figure 1. Turnbuckle Rod Type Torque Arm Parts