Chapter 5 Installation
30
If the hexagon socket head cap screw is not tightened with the specified torque, the reduction gear
does not deliver the designed performance. In addition, it could cause injury and damage to the
customer’s device and the reduction gear.
If the cutting chips are trapped in the reduction gear while drilling holes using a reamer, they could
adhere to the gear, and eventually cause deterioration of performance, such as abnormal noise,
vibration, and torque irregularity, and durability. Also, if the liquid sealant adheres to the lip of the oil
seal, it could cause leakage of the lubricant.
• For model RV-80E with the pin/bolt clamping
Step 8
output shaft type, temporarily fix the shaft side of
the reduction gear to the shaft installation
component with the specified tightening torque
using the hexagon socket head cap screw.
(Reference: “4.2.3. Reduction gear mounting
bolts” and “5.1. Bolt tightening torque”)
Note: For any models except for RV-80E, steps 8
to 11 are not necessary.
Fig. 5-8
Shaft installation
component
O-ring (I)
Reduction gear
Serrated lock washer
Hexagon socket
head cap screw
Taper pin with
screw
Note
Fig. 5-9
Shaft installation
component
Reduction
gear
Hexagon socket
head cap screw
(Temporarily fixed)
