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Bosch Rexroth AG
Liquid Cooling MSK133
9.2
Coolant Connection
Coolant connection
LSA Control S.L. www.lsa-control.com comercial@lsa-control.com (+34) 960 62 43 01
Fig.9-1:
MSK133 coolant connection
The arrangement of intake (IN) and outtake (OUT) can done arbi‐
trary and does not have any influence on the power data of the
motor.
The connecting threads on the motor are covered with factory-attached pro‐
tective caps. These protective plugs may only be removed immediately be‐
fore screwing in the coolant lines or the quick coupling to prevent dirt from
entering into the cooling system.
The following table shows the loads allowed for the motor-sided connection
threads.
Motor
Connection thread
MSK133
G1/4"
Tab.9-6:
Coolant port thread, allowed tightening torques and screw-in depths
NOTICE
The allowed motor connection tightening torque may not be exceeded! If the
tightening torque or screw-in depth is exceeded, the motor may be damaged
irreversibly.
The motor-sided coolant ports are provided for coolant port connections with
axial seal.
Bosch Rexroth therefore recommends to use screw connections which al‐
ready contain an O-ring for sealing the screw connection in axial direction.
For example, seals consisting of hemp, teflon tape or cone-shaped screw
connections are not considered to be suitable because this type of seal may
stress the connection thread on the motor to an unreasonably high extent
and/or damage it permanently.
DOK-SYTROX-MPA01******-IT02-EN-P
Rexroth Sytronix SvP 70xx Motor-Pump Unit MPA01
Max. allowed screw-in
depth [mm]
14
The coolant port threads on the motor may
be destroyed by incorrect tightening torques!
Max. allowed tighten‐
ing range [Nm]
18 ... 20
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