W-W Grinder Renegade 250 Chipper
scramblerman1a
15 years ago
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chas045
15 years agodesertpipe
14 years agoRelated Discussions
Chippers, Part II
Comments (109)Well, here's my experience... I have had the Mackissic 12PT10 for about 7 or 8 years or so now... I primarily bought this model hoping to shred my crazy jungle full of palm fronds and giant bird of paradise here in So. Cal. First of all this hammermill chipper/shredder works awesome for any woody type material... it just eats em up without any problems at all.. The circular knife shredder/hopper portion of the unit works awesome for long branches also. As for wet stuff like palm fronds the hammermill can work fairly well, but you gotta have a system down, otherwise the thing will just get clogged up with a bunch of wet mush. Another problem with palm fronds is that they can wrap around the shaft and bind it up fairly easily... Don't put the fronds in the hopper, it will bind and cause problems. Steps to keep this thing from clogging or binding.. 1. the metal screen that comes with 1 to 2 inch holes is no good for palm fronds and wet materials.. I ended up cutting out the holes so that they were about 3 inches or so with my handy grinder. Bigger holes in the screen is better, but can't just remove screen because the fronds will just shoot out and not get shredded at all, so just use a screen with giant holes. Works waaaay better. 2. It's best not to throw full length palm fronds in the hammermill, it will slow it down.. Recommend cutting them first into 12 or 16 inch lengths first before shredding them.. Same with the giant bird of paradise leaves/stems. Note: recently I have been using an electric lawnmower to shredd my giant bird paradise leaves/stems... it will shredd em so dang fast.. just tilt the lawn mower up and open the side exhaust/bag connection shoot and feed the giant leaves (stems first). Whatever is left at the end can easily be thrown into the 12PT10.. 3. Also after a few years, the hammermills do get a bit dull. Just take a cheap 4" carbon fiber grinding disk and sharpen up the edges of each of those small steel hammers.. Doesn't take long. Just remove the screen and you can sharpen them up while they are still mounted on the machine. My yard has about 50 palm trees and 20 giant birds that I need to tend too myself along with tons of other tropicals, so this 12PT10 has come in real handy for creating my super mulch pile.. Beets putting out 12 or 15 cans each week overfull of fronds and cuttings....See Morechippewa chipper
Comments (2)I once had another device of theirs and I never found any info on it. From general searching, it appears that Sears or MTD might have a little info on some of their devices but I wouldn't expect parts. I found an exploded view on something that probably wasn't your unit. I would try to determine how to remove the blade and sharpen it yourself....See MoreAmerican Sycamore? Chippers and Mulchers?
Comments (5)I sharpened two blades today and was surprised at the conditions they were in due to all the leaves and shrubbery I had mulched the last 3-5 years. My concern was missing a few grass blades while getting a clean cut. I feel rushing with the non self propelled mower was part of the cause. There should be some Carbide Mulching blades that the bark would not affect. Mainly for the bark shedding season because bark is mulched as you cut the yard correct? We have Sycamore Trees here in North, TX but I have not seen or heard of the bark shedding and needing special treatment above what grass or leaves would get. What is your lot size? That is our old style neighborhoodâÂÂs problem toward neighbors but nice when you only have a 120â Deep X 70â Wide lot minus the 1,800 sq ft house + drive. A :30 minute cut but 1+ hr of edging due concrete borders, all fencing, most trees, flower beds and Etc.. The goal was to save some trime. With a hard blade trimming at a 45 degree to the ground next to the concrete I usually trim every 3rd cuts (which helps related to time). Remember, removing my bag mulches the grass/leaves 10 X more (10:1) which really saves space. This attachment shows bags of leaves/grass picked up with the mulching mower to compare with what is left when the bag is taken off (at the top)....See MoreMacKissic 12P Chipper/Shredder Engine Question
Comments (5)The EY28 is a good engine, as are all of the old Wisconsin and Subaru Robins. Being a flat head is OK, just somewhat less efficient than an OHV or OHC engine. Your EY28 produces 7.5hp from 280cc, the current EH25 OHV produces 8.5hp from 250cc. The OHV also uses about 20% less fuel. More importantly to Robin/Wisconsin, the old flat heads are not as clean emissions-wise, and can no longer be certified. That's why all of the engine makers have pretty much replaced flat heads with OHV construction, especially in California where CARB standards are even more stringent than EPA. The type of ignition is more important to me. The EY28 came fitted with both electronic and the older breaker-point ignitions. The electronic is almost idiot proof, unless the coil fails. If the electronic fails, it easy but expensive to replace. Breaker points, however are a maintenance item. The need to be cleaned and re-gapped periodically, and are located under the flywheel, which makes it a bigger job. If engine is equipped with electronic (transistorized), forget everything I said. Your regular small engine mechanic should be fine, provided he's competent. I'd pull down the manuals from Subaru (Parts, Service, and Operating) so he has something for reference. I'd also chase the internet to see who handles parts. While things are much better now that Subaru is directly involved, parts are still more expensive and harder to find than Briggs, Honda, or Kohler. No harm trying to light it up, as long as oil is good. Carburetor may be gummed up from sitting, particularly if not stored properly. You may have to disassemble and boil everything out. Check for ignition, then squirt a little gas down the air horn and see if it lights. Then put some gas in tank, and see if it will run. If not, you or your mechanic will probably have to go through the carb....See Morestevemar36_epix_net
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