T3-B T6-B Maintenance 11. Joint #3
88 T-B series Maintenance Manual Rev.1
For tightening hexagon socket head cap bolts, refer to “2.4 Tightening Hexagon Socket
Head Cap Bolts”.
-B only:
Mount the Joint #3 motor to the motor plate.
2-M4×55
2- collar ø7× thickness 4
Tightening torque: 4 ± 0.2 N·m
When mounting the motor plate, be
careful of
the positions of the motor plate and the motor.
-B : Mount the pulley and brake hub to the
Joint #3 motor.
a: M5×8 set screw
b: M5×8 set screw+M5 bushing
c: M3×3 set screw
d: M3×3 set screw+M3 bushing
e: washer
(external diameter: ø14, internal
diameter: ø8, thickness: 0.5)
Tightening torque:
M3 set screw: 0.9 ± 0.1 N·m
M5 set screw: 4 ± 0.2 N·m
There is a washer (thickness: 0.5mm)
between the pulley and the brake hub.
Secure the pulley and the motor so
that the clearance will be 0.5mm.
Be sure to make the clearance
(0.5mm) between the pulley and the
motor.