12 Cyclo® BBB4 Quick Start Guide
Turnbuckle Torque Arm Installation
Procedure
1
Attach the torque arm threaded extension rod to the bevel housing,
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.
Item Description Item Description
1 Hex Nut 7 Lock 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 Nut 12 Hex Bolt
BBB4 Size Bolt Size
[1]
Torque
ft-lb (Nm)
4A M16 x 75 152 - 167 (206 – 227)
4B M20 x 100 290 – 319 (392 – 431)
4C M24 x 105 507 - 558 (686 – 755)
4D M24 x 125 507 - 558 (686 – 755)
4E
M24 x 125 507 - 558 (686 – 755)
4F
Consult Factory
Note: [1] Bolt ISO/JIS Class 8.8
1
3
4
2
5
6
7
8
9
1011
12
Table 6. Bolt Tightening Torque
Table 5. Turnbuckle Type Torque Arm Parts
Insert Bolt
Tighten Nut
Figure 1. Turnbuckle Type Torque Arm
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