● Reduced bearing lifetime due to damaged bearing grease during operation
with improper high temperatures.
● Overtemperature deactivation in spite of operation acc. to selection data due
to insufficient cooling.
Motors with water cooling
Risk of injury by improper handling of pressur-
ized lines!
Do not attempt to disconnect, open or cut pressurized lines (risk of explosion).
● Observe the operating instructions of the manufacturers.
● Before dismounting lines, relieve pressure and empty medium.
● Use suitable protective equipment (safety gloves, safety goggles, ...).
● Immediately clean up any spilled liquids from the floor.
Check coolant water installations for damage in regular intervals and replace
them, if necessary.
Cleaning the coolant circuit
Inspect and clean (purge) the cooling system at regular intervals as specified in
the machine and cooling system manufacturer's maintenance schedule.
Note that the utilization of unsuitable cleaning agents may cause irreversible
damage to the motor cooling system. This type of damage does not lie within the
responsibility of Bosch Rexroth.
Damage to the motor cooling system due to un-
suitable cleaning agents!
● The only liquids or materials allowed to be used for cleaning and motor cool-
ing are those which do not corrode the motor cooling system or do not react
aggressively to the materials used in Bosch Rexroth motors.
● Refer to the instructions of the manufacturers of the cleaning agent and the
cooling system.
86/101
Maintenance and repair
MS2N Synchronous Servomotors
Bosch Rexroth AG R911347581_Edition 04
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