The starter control valve in the hydraulic system shown in the illustration is malfunctioning. Before removing the valve, you must first __________. Illustration MO-0049

Correct Answer: Option C — bleed off all accumulator pressure in "E"

Hydraulic accumulators store fluid under immense high pressure. Opening or removing downstream control valves without first bleeding off stored pneumatic or hydraulic pressure through drain or bleed valve "E" creates severe personnel injury and equipment damage hazards.