Shaun Dolman
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Posts posted by Shaun Dolman
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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
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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.
Stihl ts400 saw hard starting
in Maintenance help
Posted
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 .