46/72 Installation
BoschRexrothAG, axial piston variable pump A4VSO, RE 92050-01-X-B1/2019.08.23
should also cause the control device of the axial piston unit to switch off and the
drive motor to shut down.
7.4.10 Connecting to the potential equalization
DANGER
Risk of explosion and/or fire due to ignition of an explosive atmosphere or of
combustible dust due to sparks caused by electrostatic discharge!
Axial piston units fastened with elastic elements and the use of hydraulic hoses can
constitute a risk of sparks due to electrostatic discharge if they come into contact
with assembled parts, tools and personnel with a different potential. Serious injury
caused by blast pressure and fire may result.
▶ To prevent the buildup of static electricity, include all ground connections of the
axial piston unit in the potential equalization connection.
▶ Ground hydraulic hoses separately.
▶ Make sure assembled parts, tools and personnel have the same potential as the
axial piston unit before they come into contact with them.
1
Fig. 13: Ground connections
For details of the location of the ground connections(1) see data sheet Part II
chapter "Dimensions".
The ground terminals are designed for a maximum of two ground wires, each with
across section of 4mm
2
. The minimum wire cross-section should be 2.5mm
2
.
Tightening torque of the pump housing ground terminal: 2 to 4Nm
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