— 13-2 —
13.2. Maintenance Check
13.2.1. Motor
l
Since a Megathrust Motor does not have any parts which will wear out, a daily maintenance
check should be enough.
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The table below shows the maintenance check and intervals. The checking interval shown in the
table is reference only. It should be decided according to the actual use conditions.
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Caution : Do not disassemble the Motor and resolver. If disassembling Motor is
necessary, contact your local NSK representative.
Table 13-1: Motor maintenance check
Item
Checking interval
How to check
Remarks
Appearance
According to
environment
·
Wipe off dust/slag.
·
Blow off slag.
–
Greasing
Every 6 months
·
Check dirt and contamination.
·
Supply grease via the grease nipples on
both ends of the slider every 6 months
approximate. In case of HZ type Motor,
grease directly onto the rail grooves.
·
Grease : AV2
Insulation
Once/year
·
Resistance test
(Motor coil and ground earth)
(Disconnect Driver Unit)
·
Resistance
³
10M
W
13.2.2. Driver Unit and Cable Set
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As a Driver Unit does not have any contact point and highly reliable semiconductors are used,
the daily check is not necessary. Checks as shown in Table 13-2 are necessary at least once a
year.
Table 13-2
Item
Interval
Check point
Remarks
Retighten screws
Once/year
·
Terminal block screw.
·
Connector fixing screw.
–
Cleaning
Once/year
·
Remove dust or contaminants inside of
Driver Unit.
–
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