26/60 Installation
Bosch Rexroth AG, A10VO, A10VSO, A10VNO, A10VSNO Series 52 and 53, RE 92703-01-B/04.2018
▶ When designing the reservoir, ensure that there is an adequate distance between
the suction line and the drain line. This prevents the heated, return flow from
being drawn directly back into the suction line.
▶ Make sure that a minimum suction pressure of 0.8bar absolute is present at
portS during operation for all installation positions and installation locations of
the axial piston pump; see Fig. 6. Please note that the values stated in the data
sheet for the maximum speed are valid for a suction pressure of 1bar absolute at
suction portS. See data sheet for other pressure values.
-0.2
0.8 abs.
1
2
3
0
0
1
2
-1
21
S
Fig. 6: Suction pressure
1 Absolute pressure gage
2 Standard pressure gage (relative)
The suction conditions improve with installation below and inside the reservoir.
▶ Make sure that the working environment at the installation site is completely
free of dust and foreign substances. The axial piston unit should be clean when
installed. Contamination of the hydraulic fluid can considerably affect the
function and service life of the axial piston unit.
▶ Use fiber-free cloths for cleaning.
▶ Use suitable, mild cleaning agents to remove lubricants and other heavy
contamination. Do not allow cleaning agents to enter into the hydraulic system.
7.3 Installation position
The axial piston unit can be installed in the following positions. The pipeline routing
shown illustrates the basic layout.
7.3.1 Below-reservoir installation (standard)
Below-reservoir installation means that the axial piston unit is installed outside of
the reservoir and below the minimum fluid level of the reservoir.
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