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16
Operating Instructions – Synchronous Compact Servomotors CMDV55 – CMDV162
4
Before you start
Mechanical Installation
4
Mechanical Installation
4.1
Before you start
Install the drive only if the following conditions are met:
•
The drive must be undamaged (no damage caused by shipping or storage).
•
All securing devices must be removed.
•
The information on the nameplate must indicate that the drive is suitable for opera-
tion on a servo inverter.
•
The ambient temperature is between -20 °C and +40 °C.
•
The installation altitude must be no higher than 1000 m above sea level, otherwise
the drive must be designed to meet the special environmental conditions.
•
The surrounding area is free from oils, acids, gases, vapors, radiation, etc.
4.2
Required tools/resources
•
Standard tools
•
For plug connectors assembled by the customer:
•
Crimping pliers up to a cable cross section of 10 mm
2
(see "Prefabricating
Cables" manual)
•
Crimping pliers from a cable cross section of 16 mm
2
(see "Prefabricating
Cables" manual)
•
Removal tool for insulator for changing the connector.
4.3
Long-term storage of servomotors
Observe the following notes when you take a stored motor into operation:
•
The service life of the ball bearing grease is reduced after storage periods exceeding
one year.
•
SEW-EURODRIVE recommends to have the motor inspected by SEW Service after
4 years in storage to check the ball bearing grease for signs of ageing.
•
Check whether the servomotor has absorbed moisture as a result of being stored for
a long time. Measure the insulation resistance with a measurement voltage of
DC 500 V.
The insulation resistance varies greatly depending on the temperature. You
can measure the insulation resistance between the connection pins and the
motor housing using an insulation measuring device. The motor must be dried
by the Service of SEW-EURODRIVE if the insulation resistance is not adequate.
The following figure shows the insulation resistance depending on the temperature.
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