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← TechnologyWhich risk significantly increases when an accumulator in a hydraulic crane lifting system reaches minimum precharge?
A)Actuator instability (chatter) arises✓
B)Pump wear undergoes deceleration
C)System pressure becomes constant
D)Reservoir temperature stabilizes
💡 Explanation
Actuator instability occurs because at minimum precharge, the accumulator cannot effectively dampen pressure fluctuations. Therefore, pressure spikes reach the actuator, rather than being absorbed, resulting in uncontrolled, jerky movements.
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