25
A
B
RV
If this is not possible because the circuit must also actuate other equipment at a higher pressure, or the con-
trol valve is of the closed centre type and the motor drives components with high inertia, auxiliary pressure
relief valves must be installed as close as possible to the motor.
a) Connecting to the hydraulic circuit
The motor can be installed on both a closed and open loop circuit.
In the case of an open circuit installation, the solenoid valve or control valve may be of either the closed cen-
tre or open type.
The circuit line corresponding to the hydraulic motor delivery port must always be equipped with a pressure
relief valve calibrated to a pressure no greater than the motor’s pmax. Refer to the hydraulic circuit diagrams
below.
A
B
RV
Closed loop circuit
Open loop circuit
RV
= pressure relief valves calibrated to pRV
<
pmax
.
Drive with TRASMITAL MG orbital hydraulic motor
In addition to the instructions governing installation of the gear unit, the following instructions should also be
observed when installing a hydraulic motor.
A
B
A
B
RV
A
B
RV
Closed centre control valve
Open centre control valve
RV
= pressure relief valves calibrated to pRV
<
pmax
.
Содержание DPT40-B
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Страница 240: ...saue Axial Piston Pumps and Motors Service Manual Series 90 CONTENTS ...
Страница 326: ...saue 87 Series 90 Exploded View Parts Drawings 10 Notes CONTENTS ...
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