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Installation
Bosch Rexroth AG, A4CSG, Series 3x, RE 92105-01-B/06.2017
7.4 Installing the axial piston unit
7.4.1 Preparation
1.
Check the specifications on the name plate of the axial piston unit to see if the
correct type of variable pump is present.
2.
Compare the material number and designation (type code) with the details in the
order confirmation.
If the material number for the axial piston unit does not correspond to the one in
the order confirmation, contact Bosch Rexroth Service for clarification, see
chapter 10.4 "Repair" on page 54 for the address.
3.
Before installing, completely empty the axial piston unit to prevent mixing with
the hydraulic fluid used in the machine/system.
4.
Check the permissible direction of rotation of the axial piston unit (on the name
plate) and make sure that this corresponds to the direction of rotation of the
drive motor.
L
R
Fig. 10: Direction of rotation
l
Counter-clockwise
R
Clockwise
The direction of rotation as specified on the name plate determines the direction
of rotation of the axial piston unit as viewed on the drive shaft, see chapter 5.3
"Product identification" on page 21. For information on the direction of
rotation of the drive motor, please refer to the drive motor manufacturer's
instruction manual.
7.4.2 Dimensions
The installation drawing contains the dimensions for all connections and ports on
the axial piston unit. Also observe the manuals provided by the manufacturers of the
other hydraulic components when selecting the required tools.
7.4.3 General instructions
Follow these general instructions when installing the axial piston unit:
• Note that you can expect certain installation positions to affect the control device.
Gravity, dead weight and case pressure can cause minor characteristic shifts and
changes in response time.
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