30
/64
Axial piston units
|
Installation
Bosch Rexroth AG, RE 90300-B/2021-01-19
▶ Make sure the suction, drain, and return lines flow into the reservoir below the
minimum fluid level under all operating conditions. This will prevent air from
being drawn in and foam from forming.
▶ For the reservoir design, 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 0.8 bar absolute is present at
port
S
during operation for all installation positions and installation locations
of the axial piston pump; see Fig. 5. See product-specific data sheet for further
pressure values and conditions.
S
-0.2
0.8 abs
.
1 2
3
0
0 1
2
-1
2
1
Fig. 5: Suction pressure for axial piston pump
1
Absolute pressure gauge
2
Standard pressure gauge (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 fibre-free cleaning 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.
