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Assembly
Bosch Rexroth AG, 4WRPEH6_3X, 4WRPEH10_3X, 4WRPE6_3X, 4WRPE10_3X, 4WRLE_4X; RE 29118-B/09.2021
The mounting surface of the valve and the subplates must be clean and free from
hydraulic fluid.
▶
Use non-linting fabric for cleaning the subplates.
Remove the protective cover from the valve.
1.
2.
Ensure correct orientation of the valve. Observe the porting pattern according to
the symbol and connection labeling at the valve.
3.
Check whether all seal rings are in place and intact.
4.
Carefully place the valve on the mounting surface.
Use mounting screws according to the dimensions and property classes specified
5.
in the data sheet.
6.
Ensure that the mounting screws are tightened using the specified tightening
torque. For the tightening torques, please refer to the corresponding valve
data sheets.
7.
Please note that the tightening torques may change if other screw types are used.
7.7.2 Hydraulic connection of the valve
1.
Depressurize the relevant system part.
2.
Establish all connections observing the operating instructions of the system.
3.
Make sure that pipes and/or hoses are connected to all ports and/or that the
ports are closed with plug screws.
4.
Carry out a special check to make sure that the cap nuts and flanges are correctly
tightened at the pipe fittings and flanges.
5.
Make sure that all pipes and hose lines and every combination of connection
pieces, couplings or connection points with hoses or pipes are checked for their
operational safety by a person with appropriate knowledge and experience.
7.7.3 Electrical connection of the valve
Faulty energy supply!
Danger of damage to property and personal injuries! Faulty energy supply may lead
to uncontrolled valve settings. These could result in possible malfunctions or failure
of the valve and cause injuries.
▶
Always connect the grounding connections of the valve with the appropriate
grounding system in your installation.
▶
Only use a power supply unit with safe separation.
▶
Always comply with the country-specific regulations.
CAUTION
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