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Super A: Same old problem; NO Power!!

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PaulG

11-08-2004 06:30:21




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I am sure this is the last straw. I have been having a problem with my Super A for some time now. To re-cap, new wires and plugs, new coil, points and condenser,new cap and dust cover, new battery and cables, all wiring, new needle and seat, carb cleaned and recleaned,float set at correct height, gas tank cleaned, new sediment bowl assembly, new in-line gas filter.
The tractor starts up fine and idles OK. I am getting some blow-by at first but when it warms up it goes away. Oil pressure is right on but drops to 5 to 7 lbs. When I put the tractor in gear it almost dies. I drive it around the yard and I am lucky to get back in the barn before it dies. What is the problem. I really do not want to take to a dealer if it is something I can fix. Any advice from you pros will be greatly appreciated.

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Ron in Nebr

11-09-2004 22:54:32




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 Re: Super A: Same old problem; NO Power!! in reply to PaulG, 11-08-2004 06:30:21  
Some other things to check, in addition to what's already been mentioned: what kind of inline fuel filter do you have? I recall reading somewhere that if it's just a standard one from a parts store, it's made to have pressurized fuel flow through it from a fuel pump and won't flow enough with just a gravity feed like your tractor has. Get an inline filter that's designed for a gravity flow system, such as one on a small engine application like a lawn tractor for example, and it will work much better. Also, when you disconnect the fuel line from the carb, there needs to be a "full-pipe" steam of fuel coming out of it when the gas is turned on. If it just trickles out, it's not enough fuel. One other thing that I've found that can cause the problem you describe is if the point gap is not set properly, so maybe recheck that too.

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SAm in NS

11-08-2004 08:22:14




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 Re: Super A: Same old problem; NO Power!! in reply to PaulG, 11-08-2004 06:30:21  
Have you changed the timing at all? I found this made an incredible difference on mine. Also, how is your governor, does the tractor surge at all? After I got mine set much closer to being right it has made a new tractor out of it. Hope this helps, SAm in NS



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PaulG

11-08-2004 10:46:02




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 Re: Super A: Same old problem; NO Power!! in reply to SAm in NS, 11-08-2004 08:22:14  
Sam,
I have not yet checked the timing. I am alittle green around motors but I will have someone help me. I will also get a compression test done. Yes the tractor does surge at times. I tought about the governor but I am not sure hoe to adjust or repair. I will check my manual. Thanks for the info.
Ps. Got some snow up here in Cumberland County today, any your way?



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SAm in NS

11-08-2004 12:21:50




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 Re: Super A: Same old problem; NO Power!! in reply to PaulG, 11-08-2004 10:46:02  
Mine used to surge but after changing all the springs in the governor and getting it adjusted (still not sure it's exactly right but it's an awful lot better). On the whole it's fairly simple to do, just a little fiddly. No snow down here but I'm hoping. I'm in Dartmouth so it could be a little while though. Do you want to send me an email, I can probably help you on both the timing and the governor. I think/hope I have my email uncovered, just remove the remove. Hope this helps, SAm in NS

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Allan in NE

11-08-2004 06:53:03




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 Re: Super A: Same old problem; NO Power!! in reply to PaulG, 11-08-2004 06:30:21  
Paul,

Am I reading you right? After warm you only have 5 to 7 lbs of oil pressure?

If so, forget about the power. You'd better get inside that thing before you loose a crank too. Sounds like she is completely wobbled out and has just about run her last race.

Allan



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Hugh MacKay

11-10-2004 15:47:29




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 Re: Super A: Same old problem; NO Power!! in reply to Allan in NE, 11-08-2004 06:53:03  
Allan: Not necessarily so with those little C-113 and C-123 engines. I've seen them run for years with under 10 lbs oil presure.



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rustyfarmall

11-08-2004 06:42:34




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 Re: Super A: Same old problem; NO Power!! in reply to PaulG, 11-08-2004 06:30:21  
Just a thought, may not be the problem, but try eliminating the in-line fuel filter, or try a different type. Some of those in-line filters will not work on a gravity feed system.



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PaulG

11-08-2004 10:48:09




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 Re: Super A: Same old problem; NO Power!! in reply to rustyfarmall, 11-08-2004 06:42:34  
I will eliminate the filter tonight. Thganks for responding to my plea for help!



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scotty

11-08-2004 06:41:21




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 Re: Super A: Same old problem; NO Power!! in reply to PaulG, 11-08-2004 06:30:21  
Paul, One more question, did your tractor performance go down hill when you put an inline fuel filter on? Just wondering if you have good fuel flow when running?

scotty



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scotty

11-08-2004 06:37:30




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 Re: Super A: Same old problem; NO Power!! in reply to PaulG, 11-08-2004 06:30:21  
Hi Paul, You didnt really say if this tractor was running good for some time and then decided to run poorly right away or has been going down hill steadily. My first thought, is to ask if you have done a compression test on the engine yet? With little compression, you wont have much power. Also it sounds like you dont have much oil pressure, that means you may need a rebuild on your oil pump or engine or both. I think a compression test can help you determine what to do next.

scotty

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PaulG

11-08-2004 11:00:01




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 Re: Super A: Same old problem; NO Power!! in reply to scotty, 11-08-2004 06:37:30  
Hey Scotty,
I bought this tractor three years ago. It ran rough the day I got her so I decided to slowly fix her up. She never had much power but could push snow around. She would only run for 1/2 hour the she would sputter and bog down and quit. I was told that it was dirt in the gas, bad coil, points and condenser, float not set correct, bad wires and plugs. You get my point. I have not done a compression test yet. I do plan to take out ther oil pump and resurface the base and put in new gaskets. If I find that the compression is bad how difficult will it be for a green mechanic to put in new rings or sleeves? Pistons?
This tractor runs worse now then it did when I got her. What am I doing wrong? I am planning to eliminate the in-line fuel filter to see if that helps. Thanks for all your input and wish me luck!

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Andy Martin

11-08-2004 13:42:23




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 Re: Super A: Same old problem; NO Power!! in reply to PaulG, 11-08-2004 11:00:01  
Pull the plug on the carburetor and see how much fuel runs out. Drain at least a quart to half gallon to see if you are getting plugging in the fuel line. If it slows WAY down, it is plugged somewhere. Work your way back to the gas tank, draining from each connection as you go. Lastly take the sediment bowl off and see if it drains from the open hole.

I've had them with trash floating around in the fuel tank. It would float when the tractor was off, but soon plug the opening when running.

Had one that the packing in the sediment bowl valve came off and almost plugged the flow. Carburetor and fuel line would fill while sitting off and it would start and run good until it ran out of fuel. Would only drive on full choke.

You also could have a plugged gas cap. Run the tractor with the cap off (not too full) to see if it makes a difference.

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scotty

11-08-2004 12:08:11




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 Re: Super A: Same old problem; NO Power!! in reply to PaulG, 11-08-2004 11:00:01  
Paul, That tractor is easy to work on. Its a nice convienient height to work at and the tractor serves as a engine stand.Standard tools are all thats needed! Good luck.

scotty



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