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NESD | Above the main hydraulic stack there is a single solenoid valve, it may have two large diameter hand wheels or a 3/4 jam nut and use a allen wrench to turn the adjuster, try opening this valve up a 1/4 to 1/2 turn at a time to see if it will speed up the reaction time, if you go too far the header will start hunting. There is also an adjustment on the main header valve but if your manual rate of drop is OK I would not mess with it. | |
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