Bosch Rexroth H-4WEH...XE Series - 9 Operation; 9.1 General information; 9.2 Operating the manual override

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RE24751-XE-B/10.19, H-4WEH...XE..., BoschRexrothAG
9 Operation
9.1 General information
WARNING
Explosion hazard caused by overheating!
Loss of explosion protection due to overheating!
▶ In case of valves with two solenoids, maximally one of the solenoids may be
energized at a time.
CAUTION
Loud noise!
An unfavorable arrangement of valves results in resonance or fluid noises, suchas
whistling. In continuous operation, these noises may cause hearing damage in
persons or damage at the valves.
▶ In this case, contact a service engineer.
Only use the valve within the performance range provided in "Datasheet24751-XE".
The machine and/or system manufacturer is responsible for the correct project
planning of the hydraulic system and its control.
Changing the settings at the valve is not admissible.
For information on the operation, please refer to the operating instructions for
the hydraulic system into which the valve is installed.
If errors occur, refer to chapter14 "Troubleshooting and fault correction".
9.2 Operating the manual override
(only relevant for typeH-4WEH./.NXE.)
NOTICE
Danger of damage to property!
An uncontrolled operation of the manual override bears the danger of damaging
thesystem!
▶ Only operate the manual override if it is ensured that this will not trigger any
dangerous working movement of the connected actuator.
▶ Only operate the manual override when the pressure in the tank channel does
not exceed 50 bar. Above this pressure value, the actuating force to be applied is
too large.
▶ Do not use sharp-edged tools to operate the manual override.