Author Topic: 290/310/390  (Read 200 times)

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Offline Cut4fun .

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Re: 290/310/390
« Reply #30 on: December 17, 2014, 03:52:15 pm »
Where did you order your 390 kit?
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Offline jmester

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Re: 290/310/390
« Reply #31 on: December 17, 2014, 03:54:25 pm »
Trying out weedeaterman. Going for the mako kit
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Offline Cut4fun .

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Re: 290/310/390
« Reply #32 on: December 17, 2014, 04:07:57 pm »
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Offline 660magnum

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Re: 290/310/390
« Reply #33 on: December 17, 2014, 04:25:19 pm »
Weedeaterman's major source is HLSparts and HLS is usually cheaper even before the discount but I could not find the Mako at HLS?
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Offline jmester

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Re: 290/310/390
« Reply #34 on: December 17, 2014, 08:34:44 pm »


Use the Husqvarna puller to remove the main crank bearings. Part number 504909001. It does **** a little side ways, but works well.

Cut thanks for the info on HLS. Going with 660 recommendation of going with the mako kit, seems that weedeaterman is the only one that stocks them. More to come on the muffler mod and installing new crank bearings.
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Offline jmester

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Re: 290/310/390
« Reply #35 on: December 17, 2014, 09:03:30 pm »


New bearings installed. I used skf 6203 bearings got them for about 12 a piece. Once old bearings were removed, wipe the crank down. Put the crank in the freezer and the bearings in the oven. STIHL recommend 50*C or 122*F. I show the press tool because I did not heat the bearings enough and got them on about half way then no more. So I pressed them down rest of the way.
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Offline jmester

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Re: 290/310/390
« Reply #36 on: December 17, 2014, 09:32:38 pm »


Went with a single hole additional outlet. I drilled it with a unibit the hole size is 7/16". On the deflector I cut down the long sides with a hack saw. And used needle nose to remove the piece. Then took a triangle file and clean it up.(no sharp edges)
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Offline jmester

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Re: 290/310/390
« Reply #37 on: December 17, 2014, 09:36:29 pm »


Muffler reassembled for brazing. I used the oe bolts washers and nuts to hold it all together. Only 1 of the dowels has any kind of locating taps to help hold it in position. Need to clean the paint off and get brazing. Will post some pics after it is brazed together hope you all won't laugh to hard. Not a welder by any means.
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