Epson T-B Series Maintenance Manual page 78

T3-B T6-B Maintenance 9. Joint #1
(8) Perform an alignment of the reduction gear
(9) Tighten the motor mounting screws which
(10) After mounting the motor, unscrew the supplied screws for alignment (×2) from the
(11) Apply grease to the inside of the flex gear.
(12) Mount the Joint #1 unit to the base.
(13) Set the O-ring (between reduction gear units and Arm #1) removed in the removal
66
units.
Mount the supplied screws for alignment (×2)
on the reduction gear units.
2-M3×30
Grab the alignment screws by hand and rotate
the elliptic cam bearing three times clockwise.
Then, rotate three times counterclockwise.
secured temporarily to secure the motor.
Loosely fasten all bolts in a crisscross pattern so
that the bolts will be fastened evenly.
T3-B: 4-M4×15+small washer
T6-B: 4-M4×15
Then, using a torque wrench, tighten each bolt
securely in a crisscross pattern at the torque
specified below.
Tightening torque:
M4: 5.5 ± 0.25 N·m
reduction gear units.
2-M3×30
Apply grease to the same height as the end face
of the elliptic cam bearing.
Grease volume T3-B: SFB No.1: 13 g
T6-B: SFB No.1: 16g
Secure the Joint #1 motor cables facing toward the back of the base.
step (10) into the O-ring groove of the arm.
Replace O-ring to new one if there is swelling, scratch, or wear.
T3-B
T6-B
End face of
elliptic cam
bearing
Grease
T-B series Maintenance Manual Rev.1
Screw
for alignment
Motor
mounting
screw
Joint #1
motor unit
Screw
for alignment
Joint #1
motor unit