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#483622 - 05/28/09 09:53 PM Re: Weedeater FL20 with Walbro WT669 Carb [Re: Blaineg]
Blaineg Offline
newbie

Registered: 05/28/09
Posts: 2
Loc: WI, Racine, Raymond
Well, I did everything I said I would do and thanks to you it worked great!!! I had a little trouble finding something that would work with adjusting the mixture screws but with a little creativity I managed! (I called several small engine shops and no one had a tool for the splined screws) It started on the first pull and ran great! I still adjusted a little bit but really didn't make much of a difference. I was feeling so confident that I pulled out the Leaf blower that has been giving me trouble for the last 3 year and did the same thing to that and now that runs better than it did when it was new!

One note I would suggest is that you either replace or flex (bend and role) and clean ALL the fuel lines. What I seemed to notice was that the fuel must dry out in the lines when the muchine sits for a while, and when you try running it the dried residue breaks loose and plugs the screen in the carb. flexing the line thoroughly and running carb/brake cleaner through it will clean out all the residue in the lines.(or just replace the lines)

Thanks again! You saved me a couple hundred dollars by not having to buy a new weed eater and leaf blower!

Have a great summer!!!

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#483623 - 05/29/09 04:56 AM Re: Weedeater FL20 with Walbro WT669 Carb [Re: Blaineg]
JasonB Offline
` Sharp Shooter`
Carpal Tunnel

Registered: 04/27/04
Posts: 12913
Loc: Cape Spencer, New Brunswick, C...
Good work, Blaineg! Not that hard a job once you get in there, is it? Satisfying when successful, too!

Old fuel oxidizes and becomes a varnish on any fuel component. Not a nice varnish, but a weak, gummy, sticky, smelly tan coloured gunge.

On any small engine I work on that has varnish in all the lines, I'll usually just replace those fuel lines rather than try to clean'em. I've felt it's 5 bucks well spent. Definately, though, not something to overlook!

Good tip!

J
_________________________
er, somethin'....

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#483624 - 06/01/09 01:51 PM Re: Weedeater FL20 with Walbro WT669 Carb [Re: Blaineg]
chrislipscomb Offline
newbie

Registered: 05/26/09
Posts: 5
Loc: West Virginia
I did not need to remove the screws, but I have had to fine tune each time I cold-start the trimmer. It is a great feeling to adjust just a little rich and have all that extra power under load!
_________________________
The LORD is my Shepherd, I shall not want.

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#483625 - 08/04/09 08:40 AM Re: Weedeater FL20 with Walbro WT669 Carb [Re: chrislipscomb]
OGBrewer Offline
first timer

Registered: 08/04/09
Posts: 1
Loc: Hastings, MN
I found that the 'applicator straw or tube' from a can of Great Stuff spray in foam insulation works great for removing the screws, in order to grind a slot in the heads for future adjustments. It fits very snuggly onto the screw, allowing it to be backed out of the carb.

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#483626 - 08/22/09 12:03 PM Re: Weedeater FL20 with Walbro WT669 Carb [Re: OGBrewer]
JoeBeck Offline
first timer

Registered: 08/22/09
Posts: 1
I have a weedeater featherlite that does the same thing. But my carb has only 1 screw which is plasic and orange sticking out of the carb. It is located between where the carb is marked L and H. Suggestions? Thanks

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#483627 - 06/23/11 12:52 PM Re: Weedeater FL20 with Walbro WT669 Carb [Re: JasonB]
HDWildBill Offline
first timer

Registered: 06/23/11
Posts: 1
Loc: Georgia
Thank you so much for the info. I followed the directions and my buddy's weedeater is working like a champ!

Buy the way a blue wire connector will work to get the adjustment screws out also.

Bill

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#483628 - 06/23/11 12:56 PM Re: Weedeater FL20 with Walbro WT669 Carb [Re: HDWildBill]
JasonB Offline
` Sharp Shooter`
Carpal Tunnel

Registered: 04/27/04
Posts: 12913
Loc: Cape Spencer, New Brunswick, C...
Good! Thanks for posting!

J
_________________________
er, somethin'....

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