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David Maddux 
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Joined: 13 Sep 2009
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 Topic: Screwdriver to fit needle seat
Posted: 15 Dec 2011 at 8:24am |
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Has anyone made or know of a screwdriver to fit the needle valve seat to a carburetor? I would love to have one. I never seem to be able to find one that is wide enough to fit from one side to the otherof the seat. Dave.
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DrAllis
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Joined: 12 Sep 2009
Points: 21400
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Posted: 15 Dec 2011 at 8:34am |
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I modified an old putty knife to fit and then I can use a pair of pliers to turn it while pushing it against the seat while clamped in a vise.
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Matt MN
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Joined: 14 Sep 2009
Location: Silver lake MN
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Posted: 15 Dec 2011 at 8:41am |
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I have a Snap-on Screw driver that is large enough that works very well.
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Don(MO)
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Joined: 12 Sep 2009
Location: Bates City MO.
Points: 6862
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Posted: 15 Dec 2011 at 8:42am |
Dave, I use a large Snap-On brand screwdriver, it fits in the seat fine.
I have thought about cutting it off and welding a tee handle on top of the bar so it's not as hard to use. You might take a seat to the hardware store and get a cheapo one and work it over.
Don
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3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.
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Don(MO)
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Location: Bates City MO.
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Posted: 15 Dec 2011 at 8:44am |
Matt you type faster that me. lol
Don
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3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.
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Butch(OH)
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Joined: 11 Sep 2009
Location: Lucerne Ohio
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Posted: 15 Dec 2011 at 8:46am |
I bought a set of these 1/2 drive bits from H-F for like $10 when I needed to take the fields out of a starter. The smallest flat bladed one is now ground down to fit carburetor needle seats. If H-F disturbs you about all the tool companies make similar sets.
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jaybmiller
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Joined: 12 Sep 2009
Location: Greensville,Ont
Points: 24360
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Posted: 15 Dec 2011 at 8:47am |
I have an older black handled Stanley brand that is perfect for the job.You can borrow but not keep it !!
Took me 30 years to find this one !!
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3 D-14s,A-C forklift, B-112
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Dakota Dave
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Posted: 15 Dec 2011 at 9:30am |
My Craftsman set has one that is perfect size for the jets.
you can always get a cheep screwdriver that a litle to wide and grind it down. A real auto parts store should have a carb jet screwdriver in the lesly tools they have a little nipple that sticks down into the jet. Mine was borrowed and never came home.
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Gerald J.
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Joined: 12 Sep 2009
Location: Hamilton Co, IA
Points: 5636
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Posted: 15 Dec 2011 at 9:44am |
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Flat blade metric screw drivers tend to be thinner than SAE. But SAE can be thinned to fit. I'm of the opinion that flat blade screwdrivers should be filed, not ground. I have much better control with a flat file while holding the driver shank in my vice. Had one rounded off yesterday, with a half dozen strokes of a good mill file it now has square edges again. Whether grinding or filing, the closer the faces can be to parallel the better the screwdriver will work and the less pressure it will take to keep it in the slot on a good screw.
Gerald J.
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Dave Richards (WV)
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Joined: 14 Sep 2009
Location: Fairmont, WV
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Posted: 15 Dec 2011 at 9:51am |
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I use a cheap drum brake adjustment tool. Got the tip on this board about a year ago. Am going to straighten the shaft with the "gas hatchet" and weld on a cheap 3/8 socket.
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Steve in NJ
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Joined: 12 Sep 2009
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Posted: 15 Dec 2011 at 11:19am |
Probably got the tip from me Dave. I've been using that for ages, and mentioned it bout' a year or so ago. Works great!
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GlenninPA
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Joined: 11 Sep 2009
Location: Ashley, PA
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Posted: 15 Dec 2011 at 1:13pm |
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I bought a few "too big" screwdrivers from HF and ground them to the size and profile I wanted.
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Good judgment comes from experience. Experience comes from bad judgment.
From listening comes wisdom and from speaking comes repentance.
Wise men learn more from fools than fools from the wise.
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Dave Richards (WV)
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Posted: 15 Dec 2011 at 2:19pm |
My apologies Obiwan it was you. We talked on the phone after I read it.
The preferred solution from the big "O" .
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JoeM(GA)
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Joined: 12 Sep 2009
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Posted: 15 Dec 2011 at 5:33pm |
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I must be a cheapskate, mine is a flat washer that fit the grove, ground off flat, welded to a old tap handle
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Allis Express North Georgia
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Wil M (NEIA)
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Posted: 15 Dec 2011 at 5:55pm |
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I took an old screwdriver and ground one side flat and ground the blade down a little and use it cross wise to turn the seat out. That way you can get a little leverage on the seats that sometimes have not been removed since they were put in new.
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"Yet there are soulless men whose hand and brain tear down what time will never give again." Anderson M Scruggs
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Jeff Z. NY
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Posted: 15 Dec 2011 at 5:56pm |
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Take a regular screwdriver that is a little too big and grind the point off of it. Then grind it off until the thickness of the screwdriver is the exact width to fit the seat and then work on the width of the screwdriver if you need clearance on the side.
This method also works for making them to remove jets.
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Jeff Z. NY
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Posted: 15 Dec 2011 at 6:04pm |
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When you get done it will be similar to a cabinet screwdriver.
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I Love Meatballs and Dumplings on Toast with Gravy and Rosemary and ??? {Open For Suggestions}
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Thad in AR.
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Joined: 12 Sep 2009
Location: Arkansas
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Posted: 15 Dec 2011 at 6:50pm |
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For needle seats I ground the sides off of a 3/4" flat spade wood bit and ground the point to fit in the center. It has a hex shank and I clamp vicegrips on it and have had good success with it. Jets, I haven't found a good way yet.
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Robert Musgrave
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Posted: 15 Dec 2011 at 7:39pm |
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...................On a related note, Briggs & Stratton makes a special carburetor nozzle tool for their "flo-Jet" carbs and others, P/N 19280, price ?; no longer shows up in the parts price list; has 4 sizes and could fit in your pocket.
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Jeff Z. NY
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Posted: 16 Dec 2011 at 2:53am |
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The last Briggs jet removing tools I have seen were 19.00 each.
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I Love Meatballs and Dumplings on Toast with Gravy and Rosemary and ??? {Open For Suggestions}
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Jeff Z. NY
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Posted: 16 Dec 2011 at 5:04am |
 Jeff Z. NY wrote:
The last Briggs jet removing tools I have seen were 19.00 each. |
If you grind down a $1.00 screwdriver from the bargin bin you can save $18.00's
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I Love Meatballs and Dumplings on Toast with Gravy and Rosemary and ??? {Open For Suggestions}
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Soilguy
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Joined: 10 Jul 2011
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Posted: 16 Dec 2011 at 6:48am |
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I bit the bullet and bought a set of Forstner hollow ground screwdrivers. No more nicking up the tops of brass jets, they work perfectly. Larry
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Steve in NJ
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Posted: 16 Dec 2011 at 7:14am |
"May the brake spoon be with you"......
Steve@B&B
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Dave Richards (WV)
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Posted: 16 Dec 2011 at 7:57am |
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Sam T-Ga
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Posted: 16 Dec 2011 at 9:08am |
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Snap-on makes a screw driver for a special fastner on airplanes part #S6180, it fits the float valve seat and has a sq. shank. I have used a small adj wrench with it serveral times and have not twisted the blade. It is the best thing I have found.
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j.w.freck
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Joined: 16 Sep 2009
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Posted: 16 Dec 2011 at 8:58pm |
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soil boy has the way to go with the hollow ground aircraft bits you can get them in all sizes..
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