You can't put too much water through the sluice box when highbanking because the only water you're getting at this point is coming out of the spray bar and doesn't even come close to the water flow you have when dredging. When highbanking, run the engine at FULL THROTTLE. Remember that you always want to see the upper third of the riffles exposed when you're running the unit, period. I use the word ''slightly'' because you'll learn that this machine really responds to small adjustments.īy the way, you'll want to run your engine/pump assembly at least 2/3 to 3/4 throttle when you're running the combo as a dredge. On the other hand, if you can't see any blue at all, you'll want to slightly increase the sluice box angle.
If you can clearly see the blue Miner's Moss, decrease the sluice box angle slightly. With the dredge running, go back and inspect the riffle system. The corrected sluice box angle can only be determined after running quite a bit of material through the dredge. This equates to roughly 1 degree of sluice box angle, and is the correct starting location for dredging. Next, go to the front of the unit and adjust the front crosspiece (the one under the hopper) so that it is 1'' above water level. You're using the water as a level to ensure that the unit isn't leaning to the left or the right. When you set the sluice box into the water for dredging, adjust the rear crosspiece (the one running under the riffles) so that it is just touching the water in the creek all the way across. Here's a very simple, very effective way to establish a starting point for sluice box angle when dredging.
They probably don't own a Proline anyway. You need to ignore whoever you've been listening to and completely start over.
You're going the wrong direction in your set up and it's easy to see why your recovery is being negatively effected. "I don't know who's talking about 8 to 10 degrees, but even that's way, way too steep. This advice on running a Proline highbanker was sent to a Proline owner by Jeff of Proline, this advice was for a 3" highbanker setup as a dredge and a highbanker, but this is how I setup my Proline 2" combo and it works great, copy and print it out so you can have it with you until you learn the setup.
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