Maxnaggle
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Everything posted by Maxnaggle
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there are 2 fiddly things about the job - the first being uncrimping the muffler, which you need a blow torch for if you want to do it nicely (or simply grind the crimped metal off and braise it closed afterwards (ive not tried this, this is word of mouth through the net) the second thing which is fiddly is cutting the mounting bracket off of the SLR system. if you look at the photos you can see the peice hes had to braise on the inside of the muffler. i used a 4 inch grinder for this, and it didnt look pretty! would recommend a small rotary tool. tacked it it place with a welder...
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http://www.arboristsite.com/community/threads/just-bought-a-new-dolmar-7910.246721/ Scroll down to see how it's done, this the guide I copied. Ran the saw today and got into some large timber and it's defo an improvement in power. Only slightly louder, saw is still fine to use in domestic situations.. Love it!
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Yeah there's only one item to remove to be honest. Only a slight gain in noise. I only had some manky fluted Connie at home so wasnt able to properly gauge just how much quicker the saw is in the cut. Using the saw tomorrow so will report back how it goes! I removed the entire slr system including the flange which goes into the exhaust port I did find a thread on another site with pics which Ill try and find, a much tidier job than mine!
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Heya Sawchip I've got the newer EA7900. It have a fuel scavenging system in the exhaust which is what I went about removing, basically a chamber within the exhaust which looked as though it would cause massive back pressure to stop loss of fuel...fairly easy to remove. Havnt had the chance to bury it in some decent size timber after the mod. Like I said earlier, seems a good solid saw and would definitely recommend, had it side to side with a 372 which had nothing on it. The carb is a zama unit, time will tell how that holds up...
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To be honest mate the 7900 is on the limit weight wise for me, definitely appreciate the 261 after using the 7900 for a while! It's currently running an 18" bar which is too small for the saw Imo, unstoppable in the cut but not very well balanced
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Okay so this is the tool I made, does the job but needs a bit of pressure behind it. I used a little screw driver to scribe the top of the H screw so I gauge progress.. So far I've backed the H screw out until I can hear a reduction in max rpm and then went back in a 1/8th of a turn. Defo pulls harder in the cut now gonna do a plug chop on Monday to see if it's happy or not.
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[ame] [/ame] this is the one. thats presuming its a splined screw though
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i reckon it can be done, but only with collateral to the aluminium shrouding that surrounds the screws. would probs have to take the carb off too! all the odd size tools can be had from amazon for £15 ish. There's a video on the net of a guy using an electrical connector to do the job. might try that
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The H screw is above the low in this pic
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Here you go. Looks splined but was quite hard to see. Jammed a screw driver down the side of it but couldn't get enough purchase to turn it. Stopped before I broke it.. Rare occasion
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yeah, the saw revs noticeably higher than before, so definitely want to richen it up a bit. managed to get the cover off and have a look, the H screw definitely doesnt want to be tampered with! Ill upload a pic in a sec
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Awesome - thanks. There are rubber shrouds in the way so I can't see what I'm supposed to be turning... I'll have a pine about in the day light
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Also, having run the saw for a few months now, it hasn't missed a beat, and is a ripper. would recommend !!
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Alreet, Managed to get the guts out of the muffler and get it all back together, and back on! I want to adjust the carb, but cant even see which type of tool I need to do it.... does anyone know where I can get hold of one?
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can 261's be ported? i've got a bog standard one, really like the size and weight of it, and the grunt as well to be honest. more would be better though
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Hi Mark, it's a fair effort to get the clip off by hand! proper nail folder
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Getting the spark arrestor removed makes quite a difference to this little saw as well!
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Heya Butters, same thing happened to me, the gent i spoke to at echo UK was excellent in replacing the old lanyard attachment for the new plus he sent out a new side case as mine cracked making its way out of the tree.
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had the pleasure of using one of these, they truly are awesome. great for domestic tree work
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Big thanks to spud for breathing some life back into my 200t!!
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nice to see the little saw going well! Keep the air filter clean otherwise it gets grumpy! obvious really. cant overlook it on these saws though, became almost unusable until i had a poke about. really want a 150 bar and chain but the echo bar looks too good :>
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think i need a lie down after watching that advert
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too far below the face cut would be asking for a barbers chair if there was any weight/pull on the tree? that's my thinking, may be wrong though
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Spoke to a gentleman from echo UK who sent across the updated lanyard clip, mine was one of the earlier ones with a weak clip, he said they should've all been recalled and corrected by now. Mark, I use a snap gate beener on my harness, clip the saw on by its handle, useful for not snagging the saw all over the place!
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only climbing trees with hedges underneath seems to help as well
