Re: Bucket Hydraulics for Snow Plow???

Posted by Jonathan on November 28, 2002 at 03:53:51 from (205.188.209.109):

In Reply to: Bucket Hydraulics for Snow Plow??? posted by Bob Kirk on November 27, 2002 at 13:20:49:

I'm not sure what you are mounting this plow on but I have installed several setups on backhoes and 4 wheel drive loaders. There are several options available.
1 -- Mount another valve section along side the existing valve sections of the loader valve. The valve section needs relief valves also.
2 -- Tee into the bucket circuit with a solenoid controlled diverter valve. In the normally run position, the bucket cylinder operates normally. When you "flip" the switch, the valve sends bucket circuit oil to the plow cylinders. When the bucket crcuit is active, the plow circuit lines are dead ended, so a crossover relief is needed (thats if the plow has single action cylinders) in the plow lines so when you hit something, the angle cylinders collapse and you don't ruin the plow. I've mounted the valve near the loader valve, and run lines down the boom with quick couplers mounted in a convenient location.

3 -- If the machine has a closed center hydraulic system then you can tee into a pressure port somewhere and mount either a manually actuated or a solenoid actuated valve wherever is convenient, and run lines down the boom to quick couplers.
All these scenarios require that there be relief valves inline so as not to damage the plow when an object is hit.
The cheapest way is to put quick couplers in the bucket circuit and swap them with the plow cylinders. unfortunately this is also the least user friendly method, as you have to keep switching back and forth if you need to change the bucket angle...

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