Operation 53/72
RE 92050-01-X-B1/2019.08.23, Axial piston variable pump A4VSO, BoschRexrothAG
9 Operation
DANGER
Risk of explosion and/or fire due to ignition of an explosive atmosphere or of
combustible dust on a hot case surface!
Insufficient monitoring during operation may result in excessively high case
temperature. Serious injury caused by blast pressure and fire may result.
▶ During operation, monitor the fluid level and temperature in the reservoir.
▶ Comply with the specified case leakage pressure and case leakage temperature.
▶ For Equipment Category II 2G Ex h IIC T4-T1 Gb X: Monitor the leakage
temperature in accordance with the specifications in this manual.
▶ Observe the operating data; see the data sheet (Part II).
Risk of explosion and/or fire due to ignition of an explosive atmosphere or of
combustible dust resulting from damage to a bearing or the rotary group!
Early bearing damage will cause the interior of the axial piston unit to heat up.
Overheating can pose an ignition risk.
▶ Perform both an inspection for unusual noise development and a visual
inspection of external integrity daily.
▶ Check the leakage temperature (or inlet temperature) daily.
(Realizedautomatically for Equipment Category II 2G Ex h IIC T4-T1 Gb X by
integrated temperature monitoring).
▶ Observe the maintenance interval for the axial piston unit.
(see Table 17).
Only use the product within the performance range specified in the technical data;
see the data sheet (Part II). The machine/system manufacturer isresponsible for
proper project planning ofthehydraulic system and its control.
Do not alter the settings on the axial piston unit.
▶ If the axial piston unit can no longer achieve the specified torque (pressure),
shutthe system down.
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