Installation 37/72
RE 92050-01-X-B1/2019.08.23, Axial piston variable pump A4VSO, BoschRexrothAG
3. Before installing, completely drain theaxial piston unit toprevent mixing with
thehydraulic fluid used inthe machine/system.
L
R
Fig. 9: Direction ofrotation
L
Counter-clockwise
R
Clockwise
4. Check the 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 shaft at
the drive motor.
5. Check the swivel angle indicator (1) on the axial piston unit.
Fig. 10: Swivel angle indicator
If swivel angle "0" is not indicated at the swivel angle indicator, hydraulic fluid is
pumped by the axial piston unit immediately after activation.
The direction ofrotation asindicated onthe name plate determines thedirection
ofrotation oftheaxial piston unit asviewed onthe drive shaft; see chapter 5.3
"Product identification" onpage 23. For information onthe direction ofrotation
ofthedrive motor, please refer tothe 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 themanuals provided bythemanufacturers
oftheother hydraulic components when selecting therequired tools.