40/54 Control blocks for mobile applications | Maintenance and repair
Bosch Rexroth AG, RE 64025-B/2021-08-12
10 Maintenance and repair
NOTICE
Overdue inspection and maintenance work!
Property damage!
Perform thespecified inspection and maintenance work attheintervals
described inthis manual.
10�1 Cleaning and care
NOTICE
Damage tothe hydraulic system and the seals!
The jet of a high-pressure cleaner can damage the seals and electrical system of
the control block!
Do not point high-pressure cleaners atsensitive components like electrical
connections and components.
For cleaning and care of the control block, observe the following:
Check whether all the seals and fittings on the plug-in connections are securely
seated to ensure that no moisture can penetrate into the control block during
cleaning.
Use only water and, if necessary, a mild cleaning agent to clean the control
block. Never use solvents oraggressive cleaning agents.
Remove major external contamination and keep clean sensitive and important
components, such assolenoids, valves, indicators and sensors.
10�2 Inspection
In order to enable long and reliable operation of the control block, BoschRexroth
recommends testing the hydraulic system and the control block on a regular basis,
and documenting and archiving the following operating conditions:
Table 7: Inspection schedule
Work to be performed on the control block Interval
Check operating temperature Weekly
Hydraulic fluid analysis: Viscosity, aging and contamination Annually or every 2000
operating hours
Inspect the control block for external leakage (visual inspection). Daily
Inspect the control block for unusual noise development. Daily
Check mounting elements for tight seating.
All mounting elements must be checked when the control block
is depressurized, deenergized and has cooled down.
Monthly