Before starting use 16
1.4.5. About Overhaul
Robots which have been in operation for an extended period of time can suffer from wear and other
forms of deterioration. In regard to such robots, we define overhaul as an operation to replace parts
running out of specified service life or other parts which have been damaged, so that the robots may be
put back in shape for continued use.
As a rule of thumb, it is recommended that overhaul be carried out before the total amount of servo-on
time reaches the specified time (24,000 hours for the robot arm and 36,000 hours for the controller).
(Refer to the figure below.)
However, the degree of the equipment's wear and deterioration presumably varies depending on their
operating conditions. Especially for operation with high load and frequency, the maintenance cycle may
be shorter.
Predetermined time
period
If overhaul is not performed
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