11.5 Maintenance
11.5.1 Maintenance of the Motor Component
General Information
The motors operate in a maintenance-free way within the given operating
conditions and service life. However, operation under unfavorable conditions
can lead to limitations in availability.
● Increase the availability with regular preventive maintenance measures.
Observe the information in the maintenance schedule of the machine
manufacturer and the maintenance measures described below.
Risk of burns by hot surfaces with
temperatures of more than 100 °C!
Before beginning to work, let the motors cool down. The thermal time
constant specified in the Technical Data is a measure for the time required
for cooling down. Cooling down can require up to 140 minutes!
Do not work at hot surfaces.
Wear safety gloves.
Cleaning
Excessive dirt, dust or shavings may affect the function of the motors
adversely, may in extreme cases even cause a failure of the motors. For that
reason, you should clean the cooling ribs of the motors in regular intervals (at
the latest, after one year is over).
Bearings
The nominal service life of the bearings is L10h > 30000 h (according to
DIN ISO 281, ed. 1990), if the permissible radial and axial forces are not
exceeded.
The motor bearings should be replaced, if
● the nominal bearing service life has been reached
● running noise can be heard
We recommend that you have the bearings replaced by Rexroth.
Connection Cables
Check connection cables for damage in regular intervals and replace them, if
necessary.
Check any optionally present flexible cable tracks for damage and replace
them, if necessary.
Danger to life by live parts with more than
50 V!
Do not repair any connection cables provisionally. If the slightest damage is
detected in the cable sheath, you must immediately put the installation out of
operation and replace the connection cable.
Check the equipment grounding conductor for proper connection and tight fit
in regular intervals.
IndraDrive Mi Drive Systems with KCU02, KSM02,
KMS02/03, KMV03, KNK03, KLC03
361/407
Commissioning, operation, diagnostics and maintenance
R911335703_Edition 04 Bosch Rexroth AG
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