Sumitomo Cyclo BBB4 - Tie Rod Type Torque Arm

18 Operation & Maintenance Manual
Cyclo® BBB4
Cyclo® BBB4
Torque Arm Installation, continued
Turnbuckle Type Torque Arm, Tie Rod Type Torque Arm
6
If turnbuckle hex nuts were supplied, secure the turnbuckle position by adjusting
the previously installed turnbuckle nuts.
Unit
Size
Nut Size
[1]
ft•lb
f
(N•m)
A M20 290 – 319 (392 – 431)
B M24 507 – 558 (686 – 755)
C M24 507 – 558 (686 – 755)
D M24 507 – 558 (686 – 755)
E M24 507 – 558 (686 – 755)
F Consult Factory
Table 8. Nut Tightening Torques
Note: [1] Bolt Class equal to ISO/JIS Class 8.8
Tie Rod Type Torque Arm Parts
Item Number Description Item Number Description
1 Flat Washer 7 Rubber Bushings
2 (2) Mounting Brckts or (1) Clevis 8 Washers
3 Hex Bolt 9 Lock Washer
4 Spacer 10 Clevis Pin
5 Threaded Arm 11 Cotter Pin
6 Hex Nut
Table 9. Tie Rod Type Torque Arm Parts
1
Assemble the torque arm mounting brackets or wishbone clevis to the threaded
arm, as shown in Figure 1 and attach the torque arm assembly to the bevel housing,
at the housing corner eyelet, using the pin and cotter pin.
Tighten mounting bolts according to the values listed in this table:
•Insert the clevis pin through the brackets and housing eyelet.
•Insert the cotter pin into clevis pin and secure assembly.
BBB4 Size
Bracket
Bolt Size
[1]
Torque
lb•ft (N•m)
4A 2 x M16 152 – 167 (206 – 227)
4B 2 x M20 290 – 319 (392 – 431)
4C 2 x M24 507 – 558 (686 – 755)
4D 2 x M24 507 – 558 (686 – 755)
4E 2 x M24 507 – 558 (686 – 755)
4F Consult Factory
Table 10. Bolt Tightening Torques
Note: [1] Bolt Class equal to ISO/JIS Class 8.8
1
Figure 1. Tie Rod Type Torque Arm Parts
2 3
4 5
6 6
7
11
2
10 9 6
8