adw
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Everything posted by adw
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You can change the chain brake for the non tooless one, it is readily available, as for tuning it, it is only a semi pro/home owner saw.
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I would go along with a Jonsered 75
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Puttimg the 562XP air filter onto the 560xp and hey presto there is a power increase so the comments made are quite correct.
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Air injection, turbo,active air filteration does not force air into the carb space and does not increase power, it only pre cleans the air before being drawn into the carb space by the carb.
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These carbs are prety reliable, check other things before fitting a new carb, dirty fuel filter in tank, split cracked fuel hose, impulse hose cracked or not connected, piston condition,clean and rebuild carb with new diaphrams, tank breather.
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To build a saw from new spare parts would be way beyond the price of a new complete saw, a doner saw is the way to go, it depends on what you intend to do with it once done as to the saw you pick, may be a Husqvarna 254 or 262, or maybe a 281/288, a little 61 would be quite nice, or a little more modern a 357 or 346
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Yes i have seen plenty of these, some have gone clean through the oil tank, users just cant understand where all the oil is coming from, comes as a snock when they see the repair bill.
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That appears to be the correct carb for this year model.
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The black frame filter is 80 micron ( winter filter ) and should not be used on dusty timber, the tellow filter is 44 micron and should be used in the UK, the smaller the micron size the greater the filtering capacity
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the heart of any power cutter is the filtration system, that thing looks like it wont last five minutes when the dust starts flying.
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Well your part no. is correct.these springs are a little easier to fit as the shoes are open at the back.
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The 560 band originely had a slot cut out of the band close to the knee link joint, this weakened the band and this is where it breaks, this was part no. 505199501, the slot has now been taken away and the part no. changed to 505199502.
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What the hell is he on??????????
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There is nothing really to break, the pump shaft is steel with a flat on the end, i just cant imagine it would snap, you can take it out by removing the steel pin and removing the adjuster screw
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Muffler gasket on what? Not sure what Christmas break is at Aycliffe.
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I need to check if it has a ignition govenor, i thought it did, by the way i do understand all the principles of how a carb works, even the compensator on the carb. I need to speak to my auto tune specialist to see just how it will react with a ported cylinder,
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You need to check all the components, check the nylon worm gear fite snug in the back of the sprocket and the sprocket can turn it, check the condition of the nylon worm gear any sign of flat spots change it, remove the pump and pipe, the pump barrel should be a snug fit in the rubber block to make a seal to the pick up and delivery side of the pump, check the pick up side of the pipe is no damaged, split or collapsed, turn the pump gear with your finger there should be some sign of oil movment, sqirt some oil into the pump inlet side, turn shaft with a finger again the oil should come through to the delivery side, if not, turn the pump shaft and make sure it has a throw as well as turning ( move back and forth ) regardless of what some people think it is a good saw.
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Surley more power means more fuel, auto tune only has one jet into both high and low and will only allow so much fuel in, it also has a govenor, i am not so sure porting is going to increase power just alter the power curve, still i would like to hear your findings.
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Eddy, i think i must have missed somthing here, are you saying you are going to port a 560XP? if so how are you goin to get more fuel into it as this is controlled by the auto tune unit.
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Eddy, published chain speeds are done at max power, not max rpm, anyway i think we have done this to death, so i shall not mention it again, thak you anyway for your input, by the way how do you know so much about the 576?
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I would go along with the impulse hose, if this has hardened it can just fall off, so no pump, leaning it forward would help the fuel through, have changed plenty of pulse hoses on 300 series saws.
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Yes i saw the 576 other than a lot of noise it was gutless, nice chrome pipe though, i always thought of porting as a black art, some good some bad, when ported the power band is changed so the full load cutting speed is surly going to be faster, and as chain speed is taken into account when choseing the class of trouser to wear this must become an issue, as for vibration pretty sure this will have increased, all sounds a little anal but it will only take one accident and the s t will hit the fan,how much faster can the operator honestly work with all this extra power? or is it just a matcho thing?
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Thank you for that, as long as the owners are aware of some of the negatives to this practice, there is an old American saying, there is no substitute for cubic inches. I guess as long as people are happy with this then carry on.
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I would be intrested to know what this porting does to the fuel consuption, longevity of the engine big end and side bearings, noise levels, emmisions, vibration,chain speed ( do they now need higher class trousers ) not knocking it just intrested.
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The 362XP was very popular in its day, as has been said it had the small bar pad and 3/8 chain as standard, it was a closed port cylinder, other than that is was much like a small 371/372 good secomd hand buy if you can find one.
