Yaskawa AC Servo Drive Rotary Servomotor Safety Precautions User Manual
Page 31

2 Maintenance and Inspection
E-29
Measure the
insulation
resistance.
At least once a
year
Disconnect the Servomo-
tor from the SERVOPACK
and measure the insulation
resistance at 500 V with
an insulation resistance
meter. (Measurement
method: Measure the
resistance between phase
U, V, or W on the Servo-
motor’s power line and
FG.)
The insulation is normal if
the resistance is 10 M
Ω or
higher.
If the resis-
tance is less
than 10 M
Ω,
contact your
Yaskawa repre-
sentative.
Replace the
oil seal.
At least once
every 5,000 hours
Contact your Yaskawa
representative.
This inspec-
tion applies
only to Servo-
motors with Oil
Seals.
Overhaul
At least once
every 5 years or
every 20,000
hours
Contact your Yaskawa
representative.
–
Continued from previous page.
Item
Inspection Period
Basic Inspection and
Maintenance Procedure
Remarks
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