Steevo Posted July 1, 2008 Posted July 1, 2008 Those of you that have power-actuated 3-point hitches . . . Do they normally "power down"? That is to say, do they exert downward pressure on the arms? Equal to the lift power? Strong enough to lift the tractor, if the arms were set on a block or the implement were dropped against ground and pressure applied? Just trying to figure out leverage, pressure, angles, and such to build one myself. Thanks.
wilm169 Posted July 1, 2008 Posted July 1, 2008 The ones on the power max have a pin that can be set to make it both ways. Float over ride and down pressure.
swede Posted July 2, 2008 Posted July 2, 2008 It all depends on what type of cylinder/hydraulics are used - single or double acting. My powermax has downward pressure that is equal to the lifting pressure while my John Deere 1530 only has lifting pressure. I have not tried lifting the rear end of the powermax off the ground, but I would think the weigh may be more than what the hydraulics can handle. (?)
Steevo Posted July 8, 2008 Author Posted July 8, 2008 quote:Originally posted by wilm169 The ones on the power max have a pin that can be set to make it both ways. Float over ride and down pressure. Wilm, Could you possibly show me a picture of that pin setup?
wilm169 Posted July 8, 2008 Posted July 8, 2008 Go to the home page and put in MFG # 1690073 and open the parts manual go to page 26 3point hitch parts brakedown. If you look at part # 23 25 and 27 the pin slides in a notch on the lift arm, the pin is smaller on one end so it will slide in the notch to lock it in the down preasure mode. It will lift the rear end off of the ground.
Steevo Posted July 9, 2008 Author Posted July 9, 2008 Got it. I see how that works to allow "float" for the lower lift arms on that setup. I don't see where the "lockup" mode is available for power down, though.
wilm169 Posted July 9, 2008 Posted July 9, 2008 The larger part of the pin slides in the groove to lock it the pin has 2 settings.
Recommended Posts