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RE 66170-B/2019-05-15, Control block SB24/34, Bosch Rexroth AG
Table 2: Hazard classes as defined in ANSI Z535.6
Warning sign, signal word
Meaning
DANGER
Identifies a dangerous situation that will result in death or
serious injury if it is not avoided.
WARNING
Identifies a dangerous situation that may result in death or
serious injury if it is not avoided.
CAUTION
Identifies a dangerous situation that may result in minor to
moderate injury if it is not avoided.
NOTICE
Property damage: The product or surrounding area may
be damaged.
1.3.2 Symbols
The following symbols indicate information that is not safety-relevant but increases
understanding of the documentation.
Table 3: Meaning of symbols
Symbol
Meaning
If this information is disregarded, the product cannot be used and/or
operated to its full extent.
▶
Single, independent action
1.
2.
3.
Numbered instruction:
The numbers indicate that the actions must be completed in order.
Black circle with white number:
Auxiliary marking for a better understanding.
White circle with black number: Position or assembly group with reference
to the parts list and to the graphics within a chapter.
White circle with black letters: Assembly group with reference to the parts
list and to the graphics within a chapter.
1.3.3 Designations
This documentation uses the following designations:
Table 4: Designations
Designation
Meaning
SB24-M
Control valve with mechanical control
SB24-EHS/SB34-EHS Control valve with CAN bus-controlled electrohydraulic actuating unit
EHR24-EHS
Control valve with CAN bus-controlled electrohydraulic actuating unit for
electrohydraulic hitch control
EHR24-EM2
Control valve with PWM signal-controlled electrohydraulic hitch control
Control valve
Directional valve type SB
Control valve
Directional valve type EHR
Control spool
Main spool
actuation
Type of control spool actuation
