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The vibratory system on the DeSite SLG108VFRB. This screener has dual vibratory packs underneath it that turn at 3600 rpm deliver 760 pounds of force per motor. They are 110 volts, 60 hertz. For European customers power a 220 volt, 50 hertz system. The vibratory packs mount to the underside of the screen deck and are guarded by a 3/8-inch thick steel box that is fabricate to protect it and cover the motor. Then a 1/8-inch steel plate cover guards the underside of the motor. These motors have hydraulic lines going from motor to motor. We use these as a four wire braided hose for the electric wire to travel to the motors. Using a 4 braid wire hose give the flexibility for the deck to move, traveling back and forth, and while debris is falling through the screen deck the hose can move around and protect the wires inside. On the outside is where the control box is. Inside the control box are two starting capacitors, one for each motor. On the underside there is a twist lock plug. We offer a 10 gauge vulcanized plug that is a twist lock on one end and three prong on the other. Push the plug in on the bottom and turn it so it locks in place. The three prong end attaches to the extension cord. There are no starting switches because it is one more point for failure and maintenance. This is the simplest, lowest cost way to run this screener. The machine runs with a 5000-watt generator. You can be up to 100 feet away with a 10-gauge cord, allowing you to keep your generator away from the dust and the dirt, keeping the maintenance and your running costs lower. This is the 108 with the vibratory system, dual eccentric, 110 volts, 3600 rpm, 760 pounds of force.
This is a shot from the backside of the 108 topsoil screening machine by DeSite. I’d like to show you the suspension system. This is our new suspension for 2019. We changed the suspension actually works with our duplexed coil spring. There is a metal tube traveling inside the coil spring. There are nylon bushing at the top, middle and bottom that keep the coil from actually touching the tube. The amount of compression is doubled. It can sit at 45 degrees, lay a bucket on it, pull it all the way back to 25 degrees while you are feeding it and then it goes back to 45 degrees when you leave to shed any oversize material that is hung up on the screen deck. There is still a 3-piece spring pack. Those are duplexed, actually making 6 springs supporting the bottom of the spring deck. It’s like the springs in a truck. There is a spring with a rubber busing on the inside and the bolt that is going through it. The rubber busing helps isolate the vibrations to the screen deck and minimize the amount of vibration that travels down the side of the screener. There is a Z spring that sits on the bottom with a nylon busing. When the screen deck rocks back and forth the Z spring accepts that spring and accepts some of that load when the spring is coming back. Like our other past 108 machines we have kept the tilting system on the side of the screener. The whole plate and the suspension rotates on a hub that is on the side of the screener. To set the screener in a flatter fixed position loosen the bolts on the outer ring and then the spring deck will rotate backwards and forwards. Lock it in place at the desired angle. The 3/8 inch cut out stops acts as a stop telling you to stop rotating the screen deck either forwards or backwards. The stops are on both sides so the screen deck and the tension on the spring on time. It’s a simple system, very low maintenance. The only grease nipple on the entire suspensions is at the top of the spring at the top and again on the other side’s spring. All of the nylon bushing work dry. There is no reason to apply grease to the bushings. There is nothing to attract dirt and cake and build up that creates wear when you have grease, oil and dirt mixed together. The suspension system goes from 45 degrees to 25 degrees for varying moisture and materials that can be screened.
Picking up the screener, transporting it and moving it around on site. The SLG series screeners do not have wheels or hitches because it takes away from the versatility and portability of the machine. This machine is about 10 feet 3 inches wide. An opening that is 12 feet it gives you the ability to go in behind the building, on a hillside, down in a hollow, in an area where the ground is soft. You have the ability to pick this screener up and move it to where you want to screen and do your screening right close. It is closer and gives you a better production rate because you are not moving material all over. The SLG screeners all come with a pocket system that is designed into the structure. It allows you to come in with a set of palette forks. Basically pick the screener up and pack it anywhere you want to go. Pack it on a trailer and transport it to the job site. Move it around on-site. The pockets make it extremely portable and versatile. We also designed bucket transport lugs that allow you to come in with your machine’s bucket, pick it up with your bucket and pack it around. It’s great for guys that don’t want to take pallet forks to the site or don’t have them. The machine has the capacity to be picked up with a bucket. These are the bucket transport lugs. On the 108 they are quiet heavy. Their burned out of 1 inch plate. Then holes are pierced through the sides of the plate where we install heavy walled tubing and weld them in place. It gives the lift lug internal strength so it doesn’t twist and warp when you are picking the screener up and packing it around. The lugs weigh about 70 pounds. You want to eat a big breakfast when you are moving them around and install them into the screener. It’s as easy as sliding them into the pockets. You’ll see on the backside of the lugs there is a hole that has been pierced on the top and bottom sides. That allows you to put a pin through the backside so the lift extensions cannot come out. It gives you the security of packing the machine around and not worrying about the lugs coming out of the screener. The lugs are both 70 pounds. They are nice and strong and durable. They really add to the versatility of moving the screener around on-site very easily. Once you have the screener where you want it, go up and take the pin out of the back side, pull the lugs out, and you can basically throw them beside the screener. They are there for you when you want to move the screener again. It gets rid of the necessity of having pallet forks with you all the time if you don’t want to carry those around.
I wanted to talk about the riser box for the 108 machine. The RB is the riser Box. It is constructed of 4X4 tubing. It has 3/8 plate that is laser cut with laser cut holes for the assembly. It comes with 4 winches on each side that you connect a 4-inch wide strap on each side connected to the screener so it can be moved in one piece. It weighs about 900 pounds. In combination with the screener that weighs about 3800-3900 pounds. It puts the total weight at about 5000 pounds. The 28 tall riser box when underneath the 108 moves the feed height to 10 foot 6 inches. It allows for 5-6 yards of material on each side of the screener. That is important. For example, if you have a 3-yard loader coming in feed, taking material, you want material on both sides so he can come in and get a full bucket without moving the screener around because you are pushing on opposing material on the other side. On the riser box, 10 foot 6 inch feet feed height. Off the riser box that feed height is 8 feet. That is important because if you are feeding it with a bucket tractor or a skid steer and it was up on the riser box you would be trying to look the top of the machine to see yourself feeding it. Being able to take it off the riser box and bring down the feed height down to 8 foot, you are then sitting comfortably in your machine. You can see the entire side of the screen deck. Connecting and disconnecting the riser box from the screener will take about 5 minutes. It is a simple procedure. The 4-inch wide strap connected to the side of the screener connecting the riser box. Place the load bar into the winch, push down, pull up the tab and let the winch come up. Then unravel the strap and let the strap come off. Do that on all for corners. When you want to put it back together place the strap on the top, wind it through the winch, push down on the bar, latch it, take the bar back out. It’s simple and can be done in about 5 minutes. More versatility means easier operation and more productivity.
Overview of the 108 Portable Vibratory Topsoil Screener with the designer and owner of the company.
Moving the SLG108VFRB portable vibratory screener with pallet forks is easy. Watch the video to see just how easily and quickly the topsoil screener can be moved.
The SLG 108 vibratory screener is easily moved with a bucket tractor, backhoe or other large machinery when the bucket lugs accessories is inserted into the fork pockets.
Installing the straps that connect the 108 Screener to the Riser Box is easy and quick. It uses a basic 4-inch nylon strap with a J hook on top. There are cut out pockets on all four corners of the 108 machine. Place the J hook into the pocket on the side of the machine. Feed the nylon strap trough the cut out in the winch. Rotate the nylon strap around. Pull the belt up tight against itself. Rotate the winch down and push the latch closed. Place the winch bar into the provided holes in the winch. Rotate the bar down, tightening the strap. Turn the bar over and repeat. Repeat tightening with the bar until the strap is tight. Repeat these steps for all four corners. That’s all it takes to connect the 108 screener to the riser box. To remove the straps, reverse the process. Place the winch bar into the holes in the winch. Relieve the pressure off of the winch just enough to open the latch. The winch will now spin freely. Pull the nylon strap out of the winch and remove the J hook from the screener pocket. Store the strap in a dry, clean area and reuse whenever needed.
Placing the soil screener on a riser box with a fork lift.
Feeding and taking both products away
SLG 108VFRB making three finished products
Feeding and taking both products away
SLG 108VFRB the most portable vibratory screener on the market
Screen Gravel with the DeSite 108 Vibratory Screening Machine
Vibratory Screening crushed and broken concrete