C8-B/C12-B Service Manual Maintenance Information Disclosure Scope: Maintenance Trained Personnel Only
(C) Seiko Epson Corporation 1-6 Rev.1
1.2.3 Overhaul (Parts Replacement)
⚫ Overhaul timing is based on an assumption that all joints are operated for equal distance. If a particular joint has a high
duty or high load, it is recommended to overhaul all joints (as many as possible) before exceeding 20,000 operation
hours with the joint as a basis.
The parts for the Manipulator joints may cause accuracy decline or malfunction due to deterioration of the Manipulator resulting from long
term use. In order to use the Manipulator for a long term, it is recommended to overhaul the parts (parts replacement).
The time between overhauls is 20,000 operation hours of the Manipulator as a rough indication.
However, it may vary depending on usage condition and degree of the load (such as when operated with the maximum motion speed and
maximum acceleration / deceleration in continuous operation) applied on the Manipulator.
For the EPSON RC+ 7.0 Ver. 7.2.x or later (firmware Ver.7.2.x.x or later), the recommended replacement time for the
parts subject to maintenance (Motors, Reduction Gears, and Timing Belts) can be checked in the [Maintenance] dialog
box of the EPSON RC+ 7.0.
The recommended replacement time for the maintenance parts is when it reaches the L10 life (time until 10% failure
probability).
In the [Maintenance] dialog box, the L10 life is displayed as 100%.
For the parts subject to overhaul, refer to Chapter 5 Exploded View/Maintenance Parts List.
For details of replacement of each part, refer to Chapter 2 Maintenance.
Please contact the supplier of your region for further information.
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