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A2FO series 70 | Installation
For attachment via gear
wheel or helical gear shaft
Bosch Rexroth AG, RE 91405-01-B/2021-05-21
2� Make sure that the installation location is clean and free from dirt and foreign
particles.
3� Clamp the coupling hub onto the drive shaft or ensure permanent lubrication
of the drive shaft. This prevents the formation of frictional corrosion and the
associated wear.
4� Transport the axial piston unit to the installation location.
5� Assemble the coupling on the output shaft of the drive motor in accordance with
the parameters provided by the coupling manufacturer.
Do not fasten down the axial piston unit until the coupling has been correctly
installed.
6� Fasten the axial piston unit at the installation location.
7� Align the drive shaft of the axial piston unit and the output shaft of the drive
motor so there is no angular deviation.
Make sure no excessive axial and radial forces are acting on the drive shaft.
8� Details on the required tools and tightening torques for the mounting bolts are
available from the machine/system manufacturer.
7�4�5 Installation on a gearbox
The following describes how to install the axial piston unit on a gearbox.
After installing on a gearbox, the axial piston unit is covered and is difficult to access:
▶ Before installing, make sure that the spigot diameter centers the axial piston unit
(observe tolerances) and that no excessive axial or radial forces are acting on the
drive shaft of the axial piston unit (installation length).
▶ Protect the drive shaft against frictional corrosion by ensuring permanent
lubrication.
▶ Fasten the axial piston unit at the installation location.
No gearing forces higher than the permissible axial and radial forces should act on
the shaft; if necessary, support the gear wheel at the gearbox output separately.
7�4�6 Installation with cardan shaft
Bring the axial piston unit to the installation position and fasten it. Details of the
required tools and tightening torque for the mounting bolts can be obtained from the
machine/system manufacturer.
NOTICE! Damage to the axial piston unit and leaks at the shaft seal due to
incorrectly installed cardan shaft!
Improperly installed cardan shafts generate unbalances. This results in vibrations
and inadmissible axial and radial forces on the drive shaft.
▶ Observe the cardan shaft manufacturer's assembly instructions.
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