Nabtesco RV E Series, Руководство по эксплуатации

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Chapter 5 Installation
36

If there is foreign matter adhering to the mounting surface, the mounting surface of the reduction
gear may be deformed, which could cause deterioration of performance, such as abnormal noise
and torque irregularity, and durability.

The shape of the shaft installation component may differ from the illustration above, depending on
the customer’s equipment or shape of the reduction gear.
 For the C series (through-bolt and pin-clamping output shaft type)
Perform steps 1 to 7 by taking care regarding the following precautions.
• Attach an O-ring (III) to the center tube, and then
Step 1
attach the center tube to the reduction gear
according to the positions of the tapped holes on
the shaft.
(Reference: “4.2.6 O-rings”)
• Take extra care so that the O-ring is not caught by
the mating section.
• Confirm that the centering shaft of the center tube
is correctly fitted into the centering hole of the
reduction gear (shaft section).
• Check that there is no foreign matter adhering to
the mounting surface.

If the O-ring is caught by the mating section, it could cause leakage of the lubricant.

If there is foreign matter adhering to the mounting surface, the mounting surface of the reduction
gear may be deformed, which could cause deterioration of performance, such as abnormal noise
and torque irregularity, and durability.

The shape of the reduction gear may differ from the illustration below depending on the ordered
specifications.
• Attach an O-ring (I) to the shaft mounting surface of the reduction gear. Step 2
• If the product does not feature an O-ring groove, prepare a groove on the customer's component, or
seal the area with a liquid sealant.
• If an O-ring cannot be used due to the structure, seal the section using a liquid sealant, etc.
Note
Note
Fig. 5-19
Hexagon socket
head cap screw
Reduction
gear
Center
tube
O-ring (III)