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Farmall & IHC Tractors Discussion Forum
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W4- throttle issues??? dies after starting

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tom riddolls

04-15-2005 16:04:14




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So i got this nice little W4 at auction in october and the old fella always had it running, but it sat all winter in the weather, I had it started for a few seconds in january on a warm day (i'm in ontario) and again a few times last weekend. It was converted to 12V (real home job), and i have not openered her up beyond necessary, I have cleaned the points, and she starts with a touch of chock, then fires right up when the chock is pushed in. I start it with the throttle more than half open. Then it idles fast for a bit and if i even wiggle the throttle she shuts off like i pulled the plugs. When she turns over with no ignition gas is draining out the air intake. can this be normal, is my carb all out of wack? I was talking to the guy who serviced it for the old man and says it should not be giving me trouble.
So what do i do? try?
also what service manual do i get for it? the one sold on this site??
Thanks guys
Tom

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RustyFarmall

04-15-2005 20:59:30




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 Re: W4- throttle issues??? dies after starting in reply to tom riddolls, 04-15-2005 16:04:14  
Simply put, you are flooding the poor thing. Hs and W4s are very susceptible to this. You are doing right to have the throttle half open for starting, but do not pull that choke until the engine is already cranking over, and then be very quick about it, pull it out and then push it right back in, the engine should start. Keep your hand on the choke rod, you may need to choke it just a bit after it has started in order to keep it running, and do not try to open the throttle any more until the engine runs smoothly without any choke. Even in 60 degree temps. you need to allow the engine to warm up before you can give it full throttle, otherwise it will stall out just as you described.

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Farmallkid From Ont,

04-15-2005 18:12:07




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 Re: W4- throttle issues??? dies after starting in reply to tom riddolls, 04-15-2005 16:04:14  
Sounds like it's the carb, should be able to get a kit for it at napa. Where about in ontario are ya from? I'm From Ridgetown.



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caseman-d

04-16-2005 08:13:02




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 Re: W4- throttle issues??? dies after starting in reply to Farmallkid From Ont,, 04-15-2005 18:12:07  
Most times all one needs to fix these old carbs is needle/seat, bowl gaket, and carb to manifold gasket. Most times when buying kits you pay more and end up throwing most everything else away. The above parts are still available from your Case dealer and will be cheaper than a kit.
caseman-d



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Tom R

04-17-2005 18:15:58




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 is it just junk in the lines!! in reply to caseman-d, 04-16-2005 08:13:02  
So I still have the same problem... this is what I have done. Replaced all the old wiring on the ignition system, soaked and cleaned the carg, but it was actually very clean inside. cut a new gasket for it and while there put on a new fuel line. Then there was no gas getting into the line. I think (actually it was my wife that said so) I have crud in the bottom of the tank. I gave the sediment bowl housing a few turns with the intention of taking the whole thing off, then it started draining into the glass bowl, so i left it. Fuel now into the carb and it starts up well and runs for a minute then dies, will sediment in the tank starve the engine like that. if so how do I get it out without taking off the tank. do I remove the sediment bowl housing and flush it out that way.
Thanks- we're getting there.
Tom

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tom R

04-15-2005 18:25:08




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 Re: W4- throttle issues??? dies after starting in reply to Farmallkid From Ont,, 04-15-2005 18:12:07  
ridgetown? not sure where that is. I'm near napanee, 10 minutes in land in the napanee river alluvial belt.

Kit? what is that, new jets or just a cleaner? I did carb over hauls back in my teens but never since...



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Farmallkid From Ont,

04-15-2005 18:48:03




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 Re: W4- throttle issues??? dies after starting in reply to tom R, 04-15-2005 18:25:08  
Ridgetown is about an hour west of London, you may have heard about the ag college we have here. The kit has new gaskets, new pin for the float to ride on, i think that is in there anyways. Not sure about the jets but there is a set screw that go's in, i think it adjusts the fuel. We got this carb cleaner, i think its from Kleen solve, or kleen Flo, i forget what it is, but just get a coffee can tear the carb apart set it in, cover it with the cleaner, let er sit over night then blow it out with the air commpressor. ware gloves and goggles with that stuff, dad got some on his hands and was running to the pool to get it off! If you follow the instructions it's easy. We have redid almost all the carbs on are tractors, exept the M and F-20. We got 6 altogether.

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El Toro

04-15-2005 16:47:33




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 Re: W4- throttle issues??? dies after starting in reply to tom riddolls, 04-15-2005 16:04:14  
On line No2 add Use a test light or volt meter. Hal



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El Toro

04-15-2005 16:45:00




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 Re: W4- throttle issues??? dies after starting in reply to tom riddolls, 04-15-2005 16:04:14  
Does this tractor have a ballast resistor in the ignition circuit? If it does it could be defective. Are you still getting fire to the plugs after it quits running? Could be coil or condenser or both, but not likely. If you don't have fire here is a list posted by Wayne Swenson.
1. No spark be sure distr cap is Dry & Clean
2.Is there battery votage to the coil?
3.Remove distr. cap, rotor & pointscover, remove the coil wire from the cap & put it within 1/4" of ground.
4.With points closed & ignition switch on, snap the points open a few times & watch for spark at the coil wire end.
5. No spark: may have burned or dirty points, a bad condenser or a bad coil. Coil primary (battery voltage) wire to points must be attached to + terminal on the coil if battery is + grounded. Hal

PS: I would run off a copy of this procedure in case you ever need it.

4.

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Tom R

04-15-2005 18:29:53




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 Re: W4- throttle issues??? dies after starting in reply to El Toro, 04-15-2005 16:45:00  
thanks, will try that tomorrow, It all needs a general cleaning up and a little attention, the wires are all ratty and the solinoid is rusty and the resistor just hangs there and is intact but rusty (was before it sat around). Thanks will be back with progess report...
tom



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Paul Shuler

04-15-2005 16:41:23




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 Re: W4- throttle issues??? dies after starting in reply to tom riddolls, 04-15-2005 16:04:14  
Sounds to me like the float in the carb may be sticking open and allowing way too much gas in. Shouldn't be running out of the air intake. You might try tapping lightly on the side of the carb to see if the float or needle valve might free up. My Super C has done this before after I trailer it and it's been bouncing down the road. I can tap on the carb with the handle of a screw driver and it will straighten right up. You might want to dump the oil in your oil bath air filter. It may be full of gas now.
Paul

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Tom R

04-15-2005 18:32:22




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 Re: W4- throttle issues??? dies after starting in reply to Paul Shuler, 04-15-2005 16:41:23  
Since the hose between the carb and the air filter housing is cracked all the gas just empties onto the grass! so that is one problem I won't have to face (gas in the oil not the leaky hose fitting)
Tom



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ENJ62

04-15-2005 16:35:19




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 Re: W4- throttle issues??? dies after starting in reply to tom riddolls, 04-15-2005 16:04:14  
Sounds like you have carb problems . a sticking or not sealing float with the leaking gas and some clogged passages with your high speed problem. Probally from sitting. Best to just take it off and clean the whole thing.As for service manual just about any of them are good, some are pricey.Your carb is pretty straight forward to remove . If you get a rebuild kit you will have instructions. I've had a W6 and W4 but sold these . About a 11/2 years ago I aquired a SW4 in ONT.

Hope this helps
Ed

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Tom R

04-15-2005 18:34:58




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 Re: W4- throttle issues??? dies after starting in reply to ENJ62, 04-15-2005 16:35:19  
Thanks to all. I will pull of the carb and give it a good soak and cleaning. Glad nobody thinks the problem is deep inside anywhere. With that and some electrical work let's hope another 1947 W4 will be working the fields this summer!
Tom



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