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<blockquote data-quote="Tazza" data-source="post: 5124" data-attributes="member: 82"><p>The way axial piston pumps work is by vairing the amount the postons travel, when the arm is in the neutral position the pistons do not move back and forth generation pressure. As soon as you move the control the pistons will move back and forth with respect to how far the lever has been moved (a very simple yet effective design). Pressure will build up quickly if the line is pluged with a pressure gauge even if you only move it a little bit.</p><p>When hydraulic motors are full of oil they don't turn easily with external pressure, like if you shut the machine down on a hill. The oil inside would resist the pull of gravety trying to drag the machine down the hill, it will move with small internal leakage but it will not move quickly. All i can think of is the motor is full of oil which has essentially locked it as the oil passes through it and back to the tank.</p></blockquote><p></p>
[QUOTE="Tazza, post: 5124, member: 82"] The way axial piston pumps work is by vairing the amount the postons travel, when the arm is in the neutral position the pistons do not move back and forth generation pressure. As soon as you move the control the pistons will move back and forth with respect to how far the lever has been moved (a very simple yet effective design). Pressure will build up quickly if the line is pluged with a pressure gauge even if you only move it a little bit. When hydraulic motors are full of oil they don't turn easily with external pressure, like if you shut the machine down on a hill. The oil inside would resist the pull of gravety trying to drag the machine down the hill, it will move with small internal leakage but it will not move quickly. All i can think of is the motor is full of oil which has essentially locked it as the oil passes through it and back to the tank. [/QUOTE]
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