Nabtesco RV C Series, Руководство по эксплуатации

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Chapter 5 Installation
31
• Remove the taper pin (with M8 screw) Step 9
embedded in the reduction gear.
• Through the hole from which the taper pin has
been removed, drill both a hole on the shaft
installation component and a taper pin hole
(ø10) simultaneously using a reamer.
• Remove the bolt used for temporarily tightening
the reduction gear, and then remove the cutting
burrs.
• When drilling holes using a reamer, masking is
necessary so that cutting chips will not enter the
reduction gear.

The reduction gear may fall off when removing the temporary bolt. In order to prevent this, before
removing the bolt, be sure to take measures to prevent dropping of the reduction gear. A fall of the
reduction gear could cause injury to the workers or damage to 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.
• After attaching the reduction gear,
Step 10
shaft installation component, and
O-ring (I) according to step 5 above,
tap the taper pin.
• Tighten the removed bolt with the
specified tightening torque.
(Reference: “4.2.9. Taper pin with
screw” and “5.1. Bolt tightening
torque ”)

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.
Note
Fig. 5-10
Taper pin with
screw
(with M8 screw)
Fig. 5-11
O-ring (I)
Shaft installation component
Taper pin with screw