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6 INSPECTION AND MAINTENANCE
6.4 Life
The following parts must be replaced periodically as listed below.
However, these numbers depend on the operating method and environmental
conditions. If any part is found to be faulty it must be replaced immediately even if it
has not yet reached the end of its life.
For parts replacement, please contact your sales representative.
Table 6.3 Life
Module name Part name Life guideline Remark
Motion controller
Electrolytic capacitor 10 years
The times listed under life
guideline are for reference.
If any part is found to be faulty it
must be replaced immediately
even if it has not yet reached the
life guideline.
Motion module
Synchronous
encoder
Capacitor
20,000 to 30,000
hours
Bearings
(1) Capacitor
The life of the capacitor is greatly affected by ambient temperature and operating
conditions. The capacitor will reach the end of its life in 10 years of continuous
operation in a normal air-conditioned environment.
(2) Bearing
Replace the bearings using 20,000 to 30,000 hours under rated speed as a
guideline. This number is affected by operating conditions. Bearings must also be
replaced if unusual noise or vibrations are discovered during inspection.
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