Toshiba TH650A - Page 20

MAINTENANCE MANUAL
(4) Motor Set Bolts
Make sure, using the hexagonal wrench key, that the bolts for securing each axis
drive motor are tightened completely. If loosened, tighten them completely.
Also make sure that the motor base set bolts are tightened completely.
For the places where the following bolts are used, see Para. 2.5.
Axis 1 drive motor set bolt:
M5 × 20, 4 pcs.
Recommended clamping
torque: 8.8 N·m
Axis 1 motor base set bolt:
M5 × 25, 4 pcs.
Recommended clamping
torque: 8.8 N·m
Axis 2 drive motor set bolt:
M4 × 16, 4 pcs.
Recommended clamping
torque: 4.7 N·m
Axis 2 gear case set bolt:
M6 × 35, 6 pcs.
Recommended clamping
torque: 17 N·m
Axis 3 drive motor set bolt:
M4 × 16, 4 pcs.
Recommended clamping
torque: 4.7 N·m
Axis 3 motor base set bolt:
M5 × 16, 4 pcs.
Recommended clamping
torque: 8.8 N·m
Axis 4 drive motor set bolt:
M4 × 16, 4 pcs.
Recommended clamping
torque: 4.7 N·m
Axis 4 reduction gear set bolt:
M5 × 16, 4 pcs.
Recommended clamping
torque: 8.8 N·m
Axis 4 motor base set bolt:
M5 × 16, 4 pcs.
Recommended clamping
torque: 8.8 N·m
For the axis 4 reduction gear set bolts and axis 4 motor base set bolts, see Para.
2.8.8 and Para. 2.6.4, respectively.
STE 85306
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