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← TechnologyWhich risk increases within a hydraulic scissor lift when the accumulator gas pre-charge degrades over time?
A)Increased pump cycling rate✓
B)Decreased maximum lifting height
C)Reduced cylinder seal lifespan
D)Elevated system fluid temperature
💡 Explanation
When the gas pre-charge degrades in an accumulator, the pressure dampening effect reduces because the gas volume decreases, leading to more frequent pump activation to maintain pressure. Therefore, increased pump cycling rate is likely, rather than decreased lifting height, seal degradation, or elevated temperature, which depend on independent mechanisms like leakage or friction.
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