20 Manual BBB4_ENG_01_2016_991301
T-Type Torque Arm
Sumitomo Supplied Components for T-Type
Torque Arm
T-Type Torque Arm Installation Procedure
1
Attach the T-Type Torque Arm Bracket to the BBB4 using the supplied
mounting hardware.
TightenmountingboltsaccordingtothevalueslistedinTable10:
Table 10. T-Bracket Bolt Torques
2
Place washer and rubber bushing on bolt.
Insert torque arm bolt (supplied by customer) through torque arm mounting tab.
T-Type bolt sizes listed in Table 11.
Make sure bolt is parallel to T-Type Torque Arm side when fully installed.
3
Followthesestepstoattachthemountinganglebracket:
• Placerubberbushingandmountinganglebracketonbolt.
• Verifythatthemountinganglebracketholeisthecorrectdiameterforcustomer
supplied bolt.
• Placeremainingbushing,washerandtwonutsonthebolt.
Donotover-tightennuts.Tightentopointwhererubberbushingscan
still be hand rotated.
Torque Arm Installation, continued
T-Type Torque Arm
1
2
3
4
Torque Arm
Bracket
MountingBolts
Washer
RubberBushing
When installed,
bolt must be
parallel to this
surface
Nuts
(CustomerSupplied)
RubberBushings
Washer
MountingAngle
Bracket
(Customer
Supplied)
Item Number Description
1 Torque Arm Bracket
2 Bracket Hardware
3 Rubber Bushing (qty 3)
4 Washer (qty 2)
BBB4 Size
Bracket
Bolt Size
[1]
Torque
N•m
4A 2 x M16 206 – 227
4B 2 x M20 392 – 431
4C 2 x M24 686 – 755
4D 2 x M30 1373 – 1510
4E
2 x M30 1373 – 1510
4F
T-Type Not Available
Table 9. T-Type Torque Arm Components
Note: [1] Bolt class equal to ISO/JIS Class 8.8