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Shaun Dolman

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  1. I have finally rebuilt my ts400 stihl saw and its runs and sounds great . New main bearings , new crank, piston and barrel . The trouble I am having as that it takes about 10 pulls to start it from full choke and then I take it off chock and it runs perfect and ticks over fine . Surely it shouldn't take this many pulls to get it started . I have changed the plug as well just in case . It's like because it's doesn't have a bleed for the petrol it takes around 10 pulls to get the petrol there but once started it's perfect . I did take the carb of and cleaned it and also changed the fuel filter and fuel pipe why I was at it . Maybe I need a new carb but it does run perfect once I have pulled it 10 times .
  2. Hi and thanks for the quick reply . None of the bearings have a sealed end so pretty sure that they are exactly the same either side . I have done all of the above but with no luck . I think maybe next time I will try and put the bearings on the crankshaft first if I freeze the crank and warm the bearing . If that doesn't work I'm at a loss . Thanks Shaun
  3. I am rebuilding a ts400 stihl saw as the main bearing had gone. I am on my third set of main bearing now as struggling to fit them. here is my procedure warm crankcase cool bearing and fit in crankcase both side ( Go in easy) warm inner race of bearing cool crank and fit crank in one side. Warm in race of bearing and fit the other side. The problem I am having when its all tightened up is that the crank will not move freely. I have tried knocking the crank either side with a rubber hammer or copper hammer but still no joy and I have to take apart again damaging the new bearings. I have purchased yet another set and just dont want to do the same again as not sure what i am doing wrong. Am I heating the middle race of the bearing too much as I am only using a heat gun . The second part of the crankcase is tight going on and doesnt just slip on, I have to put the screws in to bring it together but goes together fine. Is there a right or wrong way round for the bearings as I have been told there isnt from the company I purchased them from ?. Any help much appreciated.

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