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Author Topic: Float Bowls - Resistance when putting back on.  (Read 747 times)

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Offline 72_350_FOUR

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Float Bowls - Resistance when putting back on.
« on: July 02, 2012, 09:09:19 PM »
I am finishing up my carb rebuild and im putting the float bowls back on. It feels like they are hitting something when im putting them back on, I guess it's the leaf springs. is this normal or am i putting them back on wrong ?  they don't sit flush before i screw them on.  thanks in advance..
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Offline dave500

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Re: Float Bowls - Resistance when putting back on.
« Reply #1 on: July 02, 2012, 09:19:51 PM »
thats correct,the leaf spring holds the main jet in place,just close them up squarely,youll feel the spring fighting against you a little.,only nip those bowl screws home plus a little more.
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Offline phil71

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Re: Float Bowls - Resistance when putting back on.
« Reply #2 on: July 02, 2012, 09:31:49 PM »
Are you sure they're in right? There should be a springiness, buy certainly not an obstruction. Floats upside down?
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Offline 72_350_FOUR

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Re: Float Bowls - Resistance when putting back on.
« Reply #3 on: July 03, 2012, 05:03:01 AM »
No the floats are def. on right, i double checked.  i can tell it is the leaf spring hitting against the bowl as I'm putting it on.  It goes on easy enough, just with the resistance i didn't want to force it.  You know one wrong move and break a part and........... thank you guys for the quick response.
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Offline flybox1

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Re: Float Bowls - Resistance when putting back on.
« Reply #4 on: July 03, 2012, 07:05:12 AM »
be careful not to over tighten as the threads can strip out, especially when the bowls are on and off several times for all those things we remove carbs for  ;D
worst case, if you do strip one, a longer screw and nut will fit
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'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

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Offline 72_350_FOUR

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Re: Float Bowls - Resistance when putting back on.
« Reply #5 on: July 05, 2012, 06:14:48 AM »
Thanks flybox, i actually found one bolt that had been stripped out by the PO.  I thought i had it tight enough, but obviously not, when i put the carbs back on, guess what ...yea that carb leaks, go figure.  lesson learned to test them out before everything is put back together.   Good tip about the bolt/nut, i was trying to figure out what to do.. thanks!
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Offline phil71

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Re: Float Bowls - Resistance when putting back on.
« Reply #6 on: July 05, 2012, 07:39:47 AM »
Even if that seam is wide open, why would fuel leak unless the float was set wrong? Or a needle&seat are bad
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Offline 72_350_FOUR

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Re: Float Bowls - Resistance when putting back on.
« Reply #7 on: July 05, 2012, 12:00:14 PM »
Phil71, I thought about that also.  It sounds like a combination of both doesnt it..  I havent had a chance to pull the carbs back off yet,  It could also be one of the small rubber fuel connectors that runs between them,.  I'll pull them off and see if i can see where it's coming from.  I just replaced all the float valves and made sure the floats were good and set the float levels.
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