spudulike
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Everything posted by spudulike
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Fins missing on flywheels can knock them out of balance and cause main bearing failure but saying that - they are opposite each other so it will be minimal. An old trick for a fin missing is to knock the one off the opposinng side.
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Thanks Alasdair, all I aim for is a fixed saw and happy owner at the end of the day so always try to achieve this:thumbup: I am sure it should be OK now - thought the pics may be interesting and shows a fair bit goes in to this sort of repair:thumbup: Hope the wife has got over seeing a grease monkey in a suit:lol:
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There is a UK agent that sells them - he sends them out and bizarrely invoices you for payment after delivery. He is a good guy though. Tiny-Tach: Contact page for ITCO You will pay around £75 for it unless it has gone up. You will pay 20% import duty and a tenner handling on the ebay one:thumbdown:
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Didn't realise you were religious:lol: how did the Almighty communicate?
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If you do it use 3/8 low profile - Picco in Stihl terms - that is what the MS200T uses and should work OK. Full size 3/8 would be stupidly slow - thats if you could fit it!
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Tiny Tach 20K here - the workshop version with the PP3 battery - good bit of kit, American made:thumbup:
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Now theres a good business plan:001_rolleyes: Did the saw arrive back today - hope so! Give it a few days and see how it goes and don't forget to check the tightness of the plug after a few hours use.
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Yup, better than the other way:thumbup1:
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Join the club - have you thought about doing outboard motors as well - must be a need around your area now:blushing: All busy here - it never lets off!
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Some of this bio oil dries like syrup on to the saw and is nigh on impossible to clean off - have some thought for the saw techs - some take hours to clean:001_rolleyes:
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Theres only one of me you know - make an orderly line please:001_rolleyes:
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Oh bugger - looks like I will be getting them now....thanks lads:001_rolleyes:
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It is in a box of bits, options are local dealer or throwing it at me:001_rolleyes: I have agreed to get the crankcase apart, check the bearings out and to fit the new gasket and reseal. It is up to Matty to rebuild but reckon it may not be the last I see of it:001_rolleyes: A friend in need is a PITA:lol:
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As I said Matty - the stronger man is one who knows his limitations:001_rolleyes: Give you £40 for it:001_tt2: Think I may be seeing you at the weekend - you can finish those cookies my wife was silly enough to give you last weekend - whilst I split the cases:lol:
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Well in my workshop it is Absolute 80s full pelt and an extra vocal in the background - whilst cutting, my saws don't need accompaniment - they sing already:lol:
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Just calculated the difference in thermal expansion of a 16mm hole steel to aluminium. From 20*C to 150*C, the aluminium expands 47 microns, the steel 30 microns giving a differential of 17 microns - a micron being 1/1000 of a mm or one millionth of a meter. A human hair in average is 100 microns so we are talking Gnats danglies here:lol: I think I based many of my earlier views on helicoiled spark plug holes were from a Yamaha FS1E that had been helicoiled that turned sparkplugs in to what looked like a lump of coal in 500 yards - the electrodes melted in no time at all - all because the helicoil was loose and couldn't wick the heat away! It was probably the same FS1E that was blazing past the earlier mentioned BSA 250:lol: A close fitting steel insert will, in theory, act as a larger base sparkplug so any expansion and heat transfer will be very similar to the original. It will be interesting to see how it goes:thumbup:
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If you are looking for repairs on saws, PM me - You are around 5 miles away:thumbup:
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Life is about learning and have since realised that the wall strength of thin aluminium inserts isn't strong enough. I now have some stainless copper coated smaller ones bit too late for this saw. Time will tell if it lasts but I had a machine in that another person had inserted but come loose, put it back with this loctite and it was still solid months later:thumbup: It was a thin wall steel one!
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Ah...thats better, something we can all understand:lol: It's a bit like the bloke that lifts the car bonnet and looks at the engine like he may magically find the answer to why his engine won't start in the engine bay:lol: I think most guys wish they hadn't asked once I get in to full flow:blushing:
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Got the 395XP back with the spark plug insert that had blown out - it was aluminium and looks like it had split:thumbdown: First operation was to ream out the hole - forget those cheap reamers - HSS hand reamer used here to prepare the hole for the tap. Taps - a taper and bottoming tap in the picture - you start with the taper and finish with the bottoming one but in this instance - the thread was good with using the taper only so just used this tap. No need to clean the thread and make the insert looser than is necessary. Taps HSS again! Picture of the finished thread - good, clean and deep - ready to receive the insert. The insert is carbon steel so is damn hard and is held in with thread lock - high temperature thread lock:thumbup: The cylinder was warmed four times with a plumbers lamp before refitting, running, cooling and checking the plug for tightness again. This time, the repair should be a good one:thumbup:
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Got a 372XP in with a well buggered piston. The saw has been fitted with an aftermarket kit and looks generally low hours. From the damage, it looks like the ring broke and caught on the lower exhaust port on the downward stroke that smashed the top off the crown of the piston. The strange thing was the ports and bore have zero damage. I have flushed the lower crankcase to get rid of the aluminium bits - after a bit if a scare, the bearings feel fine - a big notch in one area cleared after a flush out. A new Meteor piston has been fitted on the aftermarket kit and the exhaust port has been re-beveled to ensure the ring doesn't snag again.
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I always love the silence you get after explaining something that gets a little technical - think "glazed eyes" comes to mind:001_rolleyes:
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In all my experiences it was circa 20% plus a fenner handling but the Amazon deal was just 20% if paid up front and would recommend you do it ths way!
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I believe the outcome is.....purchase through Amazon and prepay the duty and the parcel will come straight to you with no duty to be paid - it worked for me.
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Exactly:thumbup: or is that:thumbdown: flippin VAT!
