Symantics are going to get us in trouble. My definition of lever movement is up and down rather than forward and backward. On my D series tractors, the operation is almost vertical. Anyway, the lever closest to the steering wheel is the traction booster control. In most case, you want this lever all the way down. The lever closest to the gas tank is the lift lever. To lift, move this lever up until it begins lifting. When the implement is at the desired height, move it back toward the middle of travel. At some point as you move the lever down, you will feel a little resistance and possibly a feel of a click. You need to rotate it down until you feel the click. When the click happens, the control is no longer calling for the system to lift and it is now in hold position. When you put the implement in the ground, move the lift lever all the way to the to the bottom and leave it there. If the implement is going too deep, raise it to the desired level and bring the lever back to the click position. If you having trouble keeping it down, leave the lever down. In the event the hydraulics are not set for "lift and hold" operation, and you want lift and hold, I recommend getting an operators manual. If you are using Allis snap coupler implements, you can use the lever closest to the steering wheel to transfer weight from a plow or some disks to the rear wheels of the tractor. If you don't have snap coupler implements, the Traction Booster usually will be of no value. Most 3-point hitches will not effectively use Traction Booster.
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