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Posts posted by Syncroon
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To sharpen the Greenmech disc knives I bought an old valve grinding machine for little money. I sawed off the head of an M12x160 bolt so that it could be clamped into the holder. With an end stop (keyway milled and secured with loctite) and a 12mm solder socket as a spacer, I can clamp the knives in a centered position. Sharpening angle adjustable and all four knives can easily be sharpened to the same setting. Just needs to replace a new grinding wheel and cooling pipes. I think I can go grinding after Christmas...
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I haven't lost a battery but have the issue that the battery makes no contact (fully inserted) and need an extra tap on it to work. Only with climbing i experience that the battery will get loose a click and need to tap back in place. I use Bli300's that stick out more with the latch.
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I have a 2017 quadchip that had a stuck fixed roller. It was over-greased at the top so that de roller was pressed against the bottom. I had to drop the roller down and clean it. If it happens again i may adjust the nylon bush at the top with a little groove so that there is a pressure relief for the grease. (although the drawing suggests that there should be a groove in it?)
Greenmech Quadchip 160
in Large equipment
Posted · Edited by Syncroon
I still use the quadchip and have put some maintanance in it. Because the hydromotor of the stuck roller was damaged on the seals and leaked. I replaced them with Danfoss motors. Those are a bit bigger build but fit with some alternation of the springtensioner mount on the top roller. I also fitted a unpresurized returnline from the motors to the tank. Also i replaced the greasenipple from the rear bearing on the flywheel with a greaseline from the outside. The original nipple didnt torque in the right spot to put a greasegun on and the nipple would untight itself and fall out. Last but least i turned the anvils, was not that difficult but had to make a slide hammer to pull the vertical anvil. I cut some steel away within the turntable to make some more access. The horizontal anvil was easy to tap upwards into the feedbox. Took me an hour, including making that slide hammer. Machine is from 2017 and has 400hrs. I have a tarp made for it so rain doesnt get in the machine while stored.
Danfoss hydromotors fitted
External greasline to rear bearing
Cut flange for space to vertical anvil
Slidehammer m12 threaded rod with 10mm round bar welded to fit the hole in anvil.
Wear vertical anvil is most on topside (400hrs)
Horizontal anvil wear is most on right corner (400 hrs)
I also mounted an fiat idea 1.3 Mjet intercooler with some silicon hoses. This stopped the chipper from overheating in summer.
Two ledlights in the feedchute very helpfull at dark (rainy)days and nightwork to see the feedrollers and how branches feed.