[Farmall] Carb Question

[Jerry Bossard]

Mike, Robert and David,

You guys rock!  Thanks for that very helpful information.  I plan on
working on it this next week.  Greatly appreciated!

Thanks,

Jerry

On Fri, Nov 18, 2011 at 12:19 PM, Mike Sloane <mikesloane at verizon.net>wrote:

> I can't tell you how much gas you should be consuming at 1/3 throttle,
> but I generally figure about 1 gallon per hour when working.
>
> As far as your leak, I would say your problem is that your float valve
> is not seating properly. This could be caused by either a worn
> needle/seat or a float that has a pin hole, resulting in the float not
> rising all the way (because of gas inside the float). You can find
> instructions for determining if you have a pin hole and how to remedy
> the problem. Most folks claim that soldering the brass is the only way,
> but I have had good luck with a very small amount of two-part epoxy like
> JB Weld. The risk of soldering is that too much heat can cause the seams
> to let go, and it doesn't take much. Force your float into a container
> of very hot water - if you get bubbles from air escaping, that will tell
> you if and where the leak is. I would change out the needle and seat
> after cleaning the carburetor.
>
> Generally speaking, the most you will find in a carb kit these days is a
> diagram of the parts and not much else. I don't buy carb kits from TSC
> because I have been disappointed in the quality of their parts in the
> past - lots of stuff from Asia. I suggest that you buy your kit from
> either Case IH or your local NAPA auto parts dealer.
>
> My repeated suggestion to anyone who is serious about maintaining their
> IH tractor is to buy a service manual from Binder Books
> <www.binderbooks.com>. The price is reasonable, and the information is
> invaluable. I would also recommend buying the parts manual while you are
> at it. Especially in the case of carburetors, IH may have supplied more
> than one version, and the parts manual will help you identify the one on
> your tractor.
>
> Mike
>
> On 11/18/2011 12:37 PM, Jerry Bossard wrote:
> > Hello.  I have a 1942 H and I assume has a carb problem.  Last night I
> ran
> > the tractor at 1/3 throttle and let it run for an 1 hour and 20 minutes
> to
> > find out how much gas it was consuming.  I have a 1 gal gas tank hooked
> up
> > and filled the tank full.  At the end of 1 hour and 20 minutes the 1 gal
> > tank was nearly empty.  Is this normal?  Also when the tractor is parked
> I
> > find that gas is dripping from the idle needle screw and there is gas in
> > the carb intake hose from the air cleaner.  I'm assuming I have a carb O
> > ring issue that has not sealed properly?  Do anyone have a schematic or
> > drawing of what rubber seals are suppose to go where?  I'll probably pick
> > up a rebuild kit from TSC but does it have the correct instructions for
> the
> > rubber seal placement in the kit?
> >
> > Thanks,
> >
> > Jerry
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