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7�4 Installation conditions
The procedures during installation and commissioning are mainly determined by
the installation position (e.g. for air bleeding at the control block/control block
segment).
▶ Secure the control block/control block segment in such a way that safe
transmission of the forces and torques to be expected is guaranteed.
The machine/system manufacturer is responsible for dimensioning of fastening
elements and threaded connections.
▶ Make sure that air bleeding is carried out at the control block/control block
segment before commissioning and operation and that it is filled with hydraulic
fluid. The hydraulic fluid in the control block/control block segment must not be
discharged during the standstill period.
7�5 Installation position
Select the installation position in compliance with the specifications in the
respective data sheet.
7�6 Assembly of the control block/control block segment
7�6�1 Preparation
1� Check the information on the name plate to see if the control block/control
block segment is correct.
2� Compare the material number and designation (type code) with the parameters
in the order confirmation.
If the material number of the control block/control block segment does not
correspond to the one in the order confirmation, contact the Bosch Rexroth
service for clarification, see chapter 10.4 "Spare parts" on page 52.
7�6�2 Fastening of the control block/control block segment
• The control block/control block segment is equipped with the mounting holes or
threads illustrated in the offer drawing and data sheet.
The bore pattern required for assembly (dimensions and tolerances) with mounting
holes at the machine can be found in the offer drawing or the data sheet.
• The control block is attached to the port and end plate in the machine.
When an end valve is used, the control block is secured in the machine
by an additional mounting angle.
• The number of mounting points depends on the number of directional valves and
the vibration load in the machine to be expected.
• Use cylindrical metric screws (M)
– Maximum surface roughness RZ max. 63.
• Evenness of the surface 0.1 mm.
Installation | Load-sensing control block SB11
RE 66177-B/2022-05-03, Bosch Rexroth AG
39/60
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