Bosch Rexroth AG, RE 92110-01-B/2022-03-22
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A4VSH series 1x and 30
| Maintenance and repair
10 Maintenance and repair
NOTICE
Overdue inspection and maintenance work!
Property damage!
▶ Perform the specified inspection and maintenance work at the intervals
described in this manual.
10�1 Cleaning and care
NOTICE
Damage to seals and electrical system due to mechanical effects!
The jet of a high-pressure cleaner may damage the seals and electrical system of
the axial piston unit!
▶ Do not point a high-pressure cleaner at sensitive components, e.g. shaft seal,
electrical connections and components.
For cleaning and care of the axial piston unit, observe the following:
▶ Check whether all seals and plug-in connections are securely seated to ensure
no moisture can penetrate into the axial piston unit during cleaning.
▶ Use only water and, if necessary, a mild cleaning agent to clean the axial piston
unit. Never use solvents or aggressive cleaning agents.
▶ Remove major external contamination and keep clean sensitive and important
components, such as solenoids, valves, indicators and sensors.
10�2 Inspection
In order for the axial piston unit to be reliable and long-lasting, Bosch Rexroth
recommends inspecting the hydraulic system and axial piston unit on a regular
basis, and documenting and archiving the following operating conditions:
Table 13: Inspection schedule
Tasks to be performed
Interval
Hydraulic
system
Check hydraulic fluid level in the reservoir.
Daily
Check the operating temperature under comparable
load condition at the drain port and in the reservoir.
Weekly
Perform hydraulic fluid analysis:
Viscosity, aging and contamination
Yearly or every
2000 operating
hours (whichever
occurs first)
