Dismounting Axis 2 Reduction Gear - Toshiba THL Series Instruction Manual

2.7.5

Dismounting Axis 2 Reduction Gear

Remove Arm 2 cover. (See "Para. 2.3.1, Arm 2 Cover.")
1)
2) Cut the cable ties of the cables with nippers. Disconnect connectors J2AS and
J2AP (power drive cables), connectors J2BS and J2BP (encoder cables).
It is recommended to take photos of the cable installation positions and the
locations where cable ties are used so that these locations can be restored
when needed.
3) Remove the harness guide and the support plate, and then remove the axis 2
motor assembly. Also remove the O-ring (CO0538A) of the O-ring groove.
(See "Para. 2.4.5, Dismounting Axis 2 Motor.")
4) Remove eight (8) hexagon socket head cap screws (M3 x 16) that secure Arm 2
and the reduction gear.
5) Remove eight (8) hexagon socket head cap screws (M3 x 25) that secure the
axis 2 reduction gear mounted to Arm 1, and then remove the axis 2 reduction
gear. At this time, remove the O-ring mounted in the O-ring groove of Arm 1.
At this time, remove the liquid gasket attached to the base mounting surface of
the axis 1 reduction gear without damaging. Also, remove the O-ring (that
comes with the reduction gear) in the O-ring groove.
Remove the wave generator from the axis 2 motor. (See "Para. 2.4.5,
6)
Dismounting Axis 2 Motor.")
Fig. 2.53 Dismounting axis 2 reduction gear (THL300, THL400)
O-ring
CO0538A
Hexagon socket
head cap screw
M3 x 16 x 8 pcs.
77
MAINTENANCE MANUAL
Hexagon socket
head cap screw
M3 x 25 x 8 pcs.
(Apply medium
strength Loctite.)
Axis 2 reduction
gear
Remove the O-ring
in advance.
STE 85357