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Axial piston units
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Installation
Bosch Rexroth AG, RE 90300-B/2021-01-19
7.4 Installing the axial piston unit
7.4.1 Preparation
1.
Check the parameters on the name plate to see you have the correct axial
piston unit.
2.
Compare the material number and designation (type code) with the parameters
in the order confirmation.
If the material number for the axial piston unit does not match the one in the
order confirmation, contact your local contact person for clarification. You can
find their contact information at
www.boschrexroth.com/addresses
3.
Before installing, completely drain 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
output drive/drive shaft of the machine/system.
L
R
W
Fig. 6: Direction of rotation
W
Bi-directional (can rotate counterclockwise and clockwise)
L
Counter-clockwise
R
Clockwise
The direction of rotation as indicated 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 23. 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
For standard versions, the product-specific data sheet contains all required
installation dimensions as well as the position and dimensions of the ports.
If necessary, an installation drawing can be requested. 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 notices when installing the axial piston unit:
• Note that certain installation positions will affect the control system. Gravity,
dead weight and case pressure can cause minor characteristic shifts and changes
in response time.
