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7 Installation
The following documents must be on hand prior to installation:
• Installation drawing for axial piston unit (can be obtained from your contact at
Bosch Rexroth)
• Hydraulic schematic for the axial piston unit (in the installation drawing)
• Hydraulic schematic for the machine/system (available from the machine/system
manufacturer)
• Order confirmation (contains the order-related technical data for your axial piston unit)
• Data sheet for the axial piston unit (contains the permissible technical data)
7.1 Unpacking
The axial piston unit is delivered in a corrosion protection film made of polyethylene
material (PE).
CAUTIOn! Danger from falling parts!
Improperly opening the packaging can result in parts falling out, which can be
damaged or cause injury!
▶
Place the packaging on a level, solid surface.
▶
Only open the packaging from the top.
▶
Remove the packaging from the axial piston unit.
▶
Check the axial piston unit for transport damage and completeness, see Chapter 4
"Scope of delivery" on page 18.
▶
Dispose of the packaging material according to the national regulations in your
country.
7.2 Installation conditions
The installation location and position of the axial piston unit essentially determine
the procedures during installation and commissioning (such as when filling and air
bleeding the axial piston unit).
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Fix the axial piston unit so that the expected forces and torques can be
transferred without any danger. The machine/system manufacturer is responsible
for dimensioning the fasteners.
▶
Observe the permissible radial forces on the drive shaft when transferring input/
output drive with radial load (belt drives). If necessary, the belt pulley must be
stored separately.
▶
Make sure that the axial piston unit is air bled and filled with hydraulic fluid
during commissioning and operation. Do this also after relatively long periods of
disuse, since the axial piston unit may drain through the hydraulic lines.
▶
The case drain fluid in the housing area must be directed to the reservoir via the
highest drain port. Use the line size which is appropriate for the port.
▶
Avoid using a check valve in the drain line.
Exception: Above-reservoir installation, drive shaft upward.
A check valve in the drain line (cracking pressure 0.5 bar) can prevent the system
from emptying through the drain line. Please note the correct flow direction.
▶
To keep noise down, decouple all lines from all vibration-capable components
(e.g., reservoir) using elastic elements.
RE 91071-01-B/03.2015, A2FM/A2FE Series 70, Bosch Rexroth AG
Installation
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