2.8 Filling Grease to Reduction Gear and Replacement
The reduction gear is to be replaced by our service engineer. If it is replaced by the
customer, we will not guarantee any consequential trouble or accident.
• The reduction gear should be replaced with a new one only after the controller
power is turned off with the power supply plug removed. If the work is done
while the power is turned on, you may get an electric shock or the robot may
malfunction, which is very dangerous.
• Because the reduction gear is disconnected, the mechanical home point shifts
and proper control cannot be done. To avoid this, home return operation is
necessary after replacement of the reduction gear. For the home return
procedures, see Section 4.
2.8.1 Type of Reduction Gear
The reduction gears used in this robot are shown below.
When you place an order for the reduction gear for replacement, specify the robot
model (TH650A), axis name, type and our drawing number.
Reduction gear
Axis 1 RV–27C–36–57 S816716
Axis 2 RV–10C–27 S816717
Axis 4 VRGF-15B60P-400 S829013
STE 85306
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