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RE 66170-B/2019-05-15, Control block SB24/34, Bosch Rexroth AG
CAUTION!
The threaded plugs on the CVL port side
, the EVL closing side
and threaded plugs and must not be removed! The threaded bores are not
designed for connection fittings.
Individual pressure compensator :
Controls the valve-internal inlet flow of the
block-internal channel
P
.
Electrohydraulic EHS actuating unit :
Control is realized at port via CAN
bus pilot signal. The received CAN bus pilot signals are converted to respective
deflection of the control spool.
Check valve :
Prevents valve-internal return flow in working port
or
.
Thermal PRV in check valve :
The thermal PRV is integrated into the check valve
and is opened in case of an inadmissible temperature-related pressure increase in
the working port. The discharged volume is very low.
Shuttle valve :
Directs the higher LS pressure through the control block/control
block segment.
Cover cap :
Includes the additional function of manual auxiliary actuation for
manual control of the control spool.
CAUTION!
During normal operation, the manual auxiliary actuation must not be
locked and tools must not be applied or attached.
Control is realized via CAN bus pilot signal .
Internal function
Operation / control