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Buckyman 
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Joined: 17 Nov 2016
Location: SW Wisconsin
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 Topic: Dad's 45 sputters...
Posted: 13 Jul 2019 at 10:21am |
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We have been trying to get my dads WD-45 to run smoothly for a while now and we've eliminated things like the points and coil and so on as issues. We just got a new carburetor and that didn't solve the problem either... about a month ago we tried replacing the seals on the manifold as well and with all that we still have a tractor that just doesn't run smooth and seems to have a touch less power. Dad and I are both stumped... Anyone have any ideas??
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DougS
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Location: Iowa
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Posted: 13 Jul 2019 at 10:26am |
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Have you done a compression test? Does it run good when cold, but begin to sputter as it warms up?
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Walter(MO)
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Joined: 26 Dec 2009
Location: Warrenton, MO
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Posted: 13 Jul 2019 at 11:45am |
Does the 45 sputter under load or giving more gas to increase engine rpm? The cause could be the neck it the fuel bowl has something blocking the full flow of fuel.
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jaybmiller
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Location: Greensville,Ont
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Posted: 13 Jul 2019 at 3:16pm |
disconnect gasline at carb, get bucket, open sediment bowl valve. does gas drain as a steady stream, very fast for at least 1 gallon ?
If so, not a 'gas delivery' problem..maybe carb setup If not so, sediment bowl needs to be totally disassembled and cleaned,also check gas tank. There could be a sliver of 'something' plugging the hole 'somewhere'. With 'Troy' ( D-14 #1), a sliver of yellow plastic was in the sediment bowl where it threads into the tank ! Yellow....hmmm... spout of plastic gas can !!
Jay
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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omahagreg
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Posted: 13 Jul 2019 at 7:55pm |
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On my Grand dads WD, it would start and run fine-for about 5 minutes. Then it would die like you shut it off. It had sediment floating in the gas tank and as it ran it would get sucked into the screen area and shut if off clean. Removed sediment, end of problem!
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Greg Kroeker
1950 WD with wide front and Freeman trip loader
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WF owner
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Location: Bombay NY
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Posted: 13 Jul 2019 at 8:14pm |
I would start with the simple things.
How are the plugs (don't use Champions!) and plug (and coil) wires? How about the distributor cap? Try starting it in the dark and look for misfires.
Does it run better with the choke partially closed?
As Jay suggests, check gas flow. Check to make sure gas tank is vented. Ethanol gas can really screw up the fuel system.
Try removing the air filter hose and see if that makes a difference.
Edited by WF owner - 13 Jul 2019 at 8:19pm
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Jaybird14
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Posted: 14 Jul 2019 at 6:52am |
My 1951 WD has sat for about two years and is doing similar things. She will start and idle fine but when i add power she slowly starts to sputter and run like crap.
fresh gas is in. I've cleaned the carb and sed bowl. flushed the fuel line.there was crud in the tank partially blocking flow.
new points and condenser. new plugs .. but they are champion.. can they cause this much of a problem? if yes what brand is the "best"?
I did notice my idle screws and main flow screw on the carb don't do anything until they are closed . ?? do i still have a fuel flow issue??
i am going to mess with here today and i will let you know what.. if anything.. happens.
Jaybird
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Jaybird14
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Posted: 14 Jul 2019 at 6:55am |
I have not checked the valves yet. if it is running great at idle but sputters at a working throttle level could it be a valve issue? thanks!!
i can turn the wrenches but i am hoooorible at diagnosing!!! lol Jaybird
Edited by Jaybird14 - 14 Jul 2019 at 6:56am
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DougS
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Posted: 14 Jul 2019 at 7:33am |
 Jaybird14 wrote:
I have not checked the valves yet. if it is running great at idle but sputters at a working throttle level could it be a valve issue?thanks!!
i can turn the wrenches but i am hoooorible at diagnosing!!! lol Jaybird
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That sounds like a fuel issue. There's a chance it could be electrical - coil or points or condenser - but I'd look at fuel flow first. Valves could be set too tight if it doesn't show up until the engine is warm, but if it ran before and the valves weren't monkied with, I'd put them lower on the list.
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Jaybird14
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Posted: 14 Jul 2019 at 8:06am |
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would it be worth getting the autolite 303 and swapping out the champion??
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Stan IL&TN
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Posted: 14 Jul 2019 at 8:21am |
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You said you eliminated the points and coil. What about the condenser?
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1957 WD45 dad's first AC
1968 one-seventy
1956 F40 Ferguson
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Jaybird14
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Posted: 14 Jul 2019 at 9:15am |
I’m sorry I’ve done the condenser not the coil.
The new Autolite plugs did not do it.
There is plenty of gas flow when I disconnect at the carb and let it flow. The carb adjustment screws have no effect until closed.
Edited by Jaybird14 - 14 Jul 2019 at 1:30pm
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Stan IL&TN
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Posted: 14 Jul 2019 at 8:29pm |
Jaybird14 wrote:
I’m sorry I’ve done the condenser not the coil.
The new Autolite plugs did not do it.
There is plenty of gas flow when I disconnect at the carb and let it flow. The carb adjustment screws have no effect until closed.
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You really need to start your own thread To get specific comments on your issue. My comment was for the original person who started this thread.
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1957 WD45 dad's first AC
1968 one-seventy
1956 F40 Ferguson
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Jaybird14
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Posted: 14 Jul 2019 at 9:32pm |
Stan IL&TN wrote:
Jaybird14 wrote:
I’m sorry I’ve done the condenser not the coil.
The new Autolite plugs did not do it.
There is plenty of gas flow when I disconnect at the carb and let it flow. The carb adjustment screws have no effect until closed.
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You really need to start your own thread To get specific comments on your issue. My comment was for the original person who started this thread.
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done
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Buckyman
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Posted: 16 Jul 2019 at 5:29pm |
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I never did check the sediment bowl and I've seen at times that it doesn't look so clean so I will investigate and possibly try draining and cleaning the fuel tank as well. Maybe I just need to get a new screen and bowl altogether??🤷♂️
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Ted J
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Posted: 16 Jul 2019 at 8:30pm |
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New screen,,,,,,,yes. New bowl,,,,,,,,not unless the old one is cracked or has a chip(s) out of it. And a MUST, a new gasket.
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"Allis-Express"
19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17
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Jaybird14
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Posted: 16 Jul 2019 at 10:07pm |
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I took the entire thing off the tank and cleaned it with carb spray.
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Buckyman
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Posted: 16 Jul 2019 at 10:19pm |
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I believe the bowl itself may have some gunk or something in it. Is there anything special I should be using to clean that out? I haven't taken it off I'm just wondering if I need to round up anything extra when I get to taking this stuff apart...
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Buckyman
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Posted: 16 Jul 2019 at 10:20pm |
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I've also found an old "farmhand" tractor-mounted rake that we used on dads tractor many years ago. It's more of a window tipper than a rake but anyways I have no idea how it would've mounted on the tractor.
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Buckyman
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Posted: 17 Jul 2019 at 6:59pm |
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To my great frustration after going and cleaning out all the junk out of the sediment bowl and reinstalling with a felt paper gasket it leaks a ton and the tractor runs much worse...is a gasket all it takes to finish the deal?? I'm nowhere near convinced...
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mdm1
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Posted: 17 Jul 2019 at 7:30pm |
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All mine have a cork gasket. That may not solve your problem but it should stop the leaking. Where are you in WI?
Edited by mdm1 - 17 Jul 2019 at 7:31pm
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Everything is impossible until someone does it! WD45-trip loader 1947 c w/woods belly mower, 1939 B, #3 sickle mower 1944 B, 2 1948 G's. Misc other equipment that my wife calls JUNK!
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Boss Man
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Posted: 17 Jul 2019 at 7:41pm |
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How much slop is in the distributor shaft? Are the advancement weights in the distributor free or sloppy? Never seen a paper gasket for the bowl only cork. Don't think paper would have enough give to conform to the glass
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Alberta Phil
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Posted: 17 Jul 2019 at 7:56pm |
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Should be a cork or neo-cork gasket. 1/8 in. thick. New ones are available at my local Napa.
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mhankins
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Posted: 17 Jul 2019 at 8:11pm |
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The sediment bowl on my WD45 had some old gasket material stuck to it that made mine leak.Check and make sure the gasket surface is clean.
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Ted J
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Posted: 18 Jul 2019 at 7:07am |
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Did you adjust the valves?
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"Allis-Express"
19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17
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Buckyman
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Posted: 18 Jul 2019 at 8:07pm |
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Dad says the tractor runs fine now that I put in a new gasket and suggested than any further sputtering could be due to old gas. So I will try some "heet" and see if that does the trick. I was wondering if anyone knew how a Farmhand window tipper would mount on a wd-45?? We have one that dad doesn't remember the configuration of but knows it was always mounted on the right side.
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WF owner
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Posted: 19 Jul 2019 at 5:57am |
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Try Seafoam. I'm not much for additives or snake oil, but I have had very good luck with Seafoam cleaning up the fuel system, it it's not too dirty or plugged up.
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Buckyman
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Posted: 19 Jul 2019 at 8:15am |
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So after posting that last message last night I ended up driving dad around for a couple of minutes on the tractor and showing him the problem...I can also give a little better description to what's going on. The tractor will herky jerky drive along the road at pretty much all amounts of throttle in a very uniform jerking pattern. I think it could be the timing but I really don't know what it could be. Dad did realize though once I drove him around on it that something is definitely goofy.
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ac fleet
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Posted: 19 Jul 2019 at 9:48am |
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Not sure about your description, BUT it sounds like the dist. is advanced to far. Try setting it WITH engine running. ---- as you move it back and forth, pick the best sounding spot and snug down the clamp bolt and try that.---may take a few tries to get it fine tuned but they are picky on the set. ---I have one that I never could get smooth, close but still a bit choppy. thanks; ac fleet
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DougS
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Posted: 19 Jul 2019 at 9:53am |
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Before you do anything with the timing, check the point gap. If the dwell is off three degrees, the timing will be off six degrees.
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