An axial piston hydraulic motor is caused to...

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Question 1 of 205eccef9cbacbc34ba4d45927

An axial piston hydraulic motor is caused to rotate by fluid flow from a comparably designed variable displacement pump fitted with the illustrated device. If the motor stalls, due to excess load, the pump tilting box will seek neutral stroke until the high side pressure equalizes or is less than the set point pressure established by part __________. See illustration GS-0040.

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🔍 Key Concepts

• Pressure compensator function in a variable displacement pump • How the sensing port pressure moves the compensator spool or piston • Which spring or adjustment actually determines the pressure at which the tilting box moves toward neutral

💭 Think About

• Trace what happens when the motor stalls and system pressure rises: which line in the drawing carries this high pressure to the control device? • When that pressure acts on the compensator piston, what component opposes it and therefore fixes the pressure at which movement begins? • Among the labeled parts, which one directly provides or contains the adjustable force that corresponds to the set point pressure?

✅ Before You Answer

• Identify which label connects to the high-pressure transmission sensing port shown in the upper left of the figure. • Find the component that exerts force against the sensing piston or spool (usually a spring compressed by an adjustment). • Verify that the part you choose is the one whose tension or compression would change the pressure at which the pump tilting box starts to move toward neutral.

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