System Components Combination Cylinder Assembly The combination cylinder combines the range operation with the deep reduction operation. Each functions separately, but are contained in the same housing. Deep Reduction - With the range lever in the "down" position, air is supplied to the LO range port (1), moving the range piston rearward to engage LO range gearing (2), and the deep reduction button is in the "forward" position. Air is supplied to the deep reduction cylinder cover center port (3), moving the reduction piston rearward (4), and engaging deep reduction gearing.
LO Range - With the range lever in the "down" position, air is supplied to the LO range port (1), moving the range piston rearward (2), engaging LO range gearing AND the deep reduction button is in the "rearward" position. No air is supplied to the deep reduction cylinder cover center port (3). The constant air from the air filter/regulator assembly moves the reduction piston forward (4), disengaging deep reduction gearing
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