Bosch rexroth A2FO Series User Manual

BoschRexrothAG, RE91405-01-B/2021-05-21
38/52 A2FO series 70 | Commissioning
Use only ahydraulic fluid that corresponds to the following requirements:
You can find details of the minimum requirements on hydraulic fluids in BoschRexroth
datasheets 90220 and 90221. The titles of the datasheets can be found in Table 1
"Required and supplementary documentation" on page5.
BoschRexroth evaluates hydraulic fluids on the basis of the Fluid Rating
according to datasheet90235. For hydraulic fluids which have been positively
evaluated in the Fluid Rating, please refer to datasheet90245"BoschRexroth
fluid rating list for Rexroth hydraulic components (pumps and motors)".
Selection of hydraulic fluid shall make sure that the operating viscosity
in theoperating temperature range is within the optimum range
(ν
opt
;seeselectiondiagram in the datasheet 91405).
To ensure the functional reliability of the axial piston unit, cleanliness level 20/18/15
according to at least ISO4406 is required for the hydraulic fluid. At ahydraulic fluid
viscosity of less than 10 mm²/s (e.g.due to high temperatures during short-term
operation) at the drain port, acleanliness level of at least 19/17/14 according
to ISO4406 is required. You can find parameters on the permissible and optimal
viscosities and admissible temperatures in datasheet 91405.
Proceed as follows to fill the axial piston unit:
1� Place adrip tray under the axial piston unit to collect any hydraulic fluid that
may leak.
NOTICE! Contaminated hydraulic fluid!
The cleanliness levels of commercial hydraulic fluids are usually insufficient for the
requirements of our components.
▶ Use asuitable filter system to filter hydraulic fluids during filling to minimize solid
particle contamination and water in the hydraulic system.
2� Fill and air bleed the axial piston unit via the appropriate ports; see chapter 7.3
"Installation position" on page 26. Also fill the hydraulic lines of the system.
NOTICE! Risk of property damage due to inadequate lubrication!
Product can be damaged or destroyed!
▶ When using ashut-off valve in the suction line, make sure that the drive of the
axial piston unit can only be started when the shut-off valves are open.
▶ Dimension ashut-off valve in the suction line so that no inadmissible pressure
drop occurs in the suction area when the shut-off valve is open.
3� If you use ashut-off valve in the suction line, only operate the axial piston unit
with opened shut-off valves.
Procedure

Bosch rexroth A2FO Series Specifications

General

Brand	Bosch
Model	rexroth A2FO Series
Category	Water Pump
Language	English