A flare-type tubing connector is used in the hydraulic hatch cover system and has developed a slight leak. To stop the leak, you should __________.
Stop the system and use only one wrench to tighten the flare nut
Keep the system in operation and tighten the flare nut
Shut down the power unit and use two wrenches to avoid damaging the tubing when tightening
Replace both the tubing sections and the fitting
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