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9
Maintenance and inspection
DANGER!
Danger to life due to electric shock
Maintenance and inspections must be performed by specified personnel.
The instructions given below must be followed before taking maintenance and inspection
measures:
Turn OFF the main power supply.
Put up the required warning sign, e.g "Do not turn the power on!".
Install a switch-on guard as prescribed.
If you have any questions regarding disassembly or repair, please contact the local
YASKAWA branch office.
NOTICE
Home position data is lost
Before removing the connector of the encoder cable to perform maintenance or inspection,
Connect the spare battery unit.
9.1
Proper inspections are essential not only to assure that the mechanism will be able to
function for a long period. But also to prevent malfunctions and assure safe operation.
Inspection are classified into several time levels as shown by the following table "Inspection
intervals".
In the table of "Inspection intervals", the inspections are divided according to three levels of
requirement:
•
Works, carried out by trained staff.
•
Work carried out by staff trained by YASKAWA.
•
Works, carried out by YASKAWA staff.
Inspections are only carried out by trained staff.
NOTICE
The inspection intervals depend on the SERVO power time (see point 1 in Fig. 9-1:
"SERVO power time").
The table "Inspection intervals" applies to normal cases.
Deviations are to be determined by the TCS service department of YEU-R.
Inspection schedule
Maintenance and inspection
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