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Super A bad water pump?

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Michael

06-18-2003 12:24:21




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I was doing some blade work when my Super A started squealing very loudly so I shut it down. After letting it cool, I tried to start it and the engine ran fine but the fan blade was stuck solid, so I shut the engine down right away.

I assume this means the water pump is bad.

How hard is this to fix?

Are there any parts that I should be sure to check or replace when I have the tractor apart?

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Haas

06-18-2003 16:46:05




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 Re: Super A bad water pump? in reply to Michael, 06-18-2003 12:24:21  
I believe you will have to remove the radiator to get the fan assembly out. The single mounting bolt (shaft) is long enough that it will not slide forward enough to come out unless you remove the radiator, or at least loosen the hoses and mountings enough so you can tilt the radiator forward to get it out. Aftermarket fan assemblies with ball bearings are available from a number of sources.



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Hugh MacKay

06-19-2003 17:22:49




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 Re: Re: Super A bad water pump? in reply to Haas, 06-18-2003 16:46:05  
Paul: I went to my tractor shed today looked the tractors over and I believe the fan hub will come out of there without touching rad supports or upper hose. It can be done by taking the 4 small bolts that hold fan to hub out, separating the fan from the hub. I feel quite certain I have done this in the past the more I think about it. Now I will say this, it may well have been the 130 and not the Super A that I did it that way. The 130, having the higher rad and water pump, does indeed give you more room to work. I will not argue too heavily on the SA though.

The interesting thing about removeng the rad from one of these offset tractors to do any engine items needing rad off. The quickest way to do it is separate the entire front end from tractor. I did a front seal on one of these, and found that was actually quickest way. If you want the rad off it comes quite easy then. This spring I had to replace rad and water pump on 140. I thought by the change in water pump (to the fan hub on 140) it would be a piece of cake. IH somehow managed to make the 140 more miserable than 130 or SA for removing or installing a rad.

When I finished installing that new rad, and as I get older I find the skin on my arms is not as tough as it once was, I felt like Trueman, who went to a new barber shop, and wanted a shave. When the barber, a greenhorn, was done Trueman asked for a glass of water. Barber said, "Are you thirsty Trueman"? Trueman replied," No sir just checking to see if there are any leaks in my mouth."

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Hugh MacKay

06-18-2003 17:59:10




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 Re: Re: Super A bad water pump? in reply to Haas, 06-18-2003 16:46:05  
Paul: You are right I had forgotten, been ten years since I've had one off. You can get it by removing top support and hose for rad and removing shroud, also complete grill must come off.



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Hugh MacKay

06-18-2003 15:11:48




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 Re: Super A bad water pump? in reply to Michael, 06-18-2003 12:24:21  
Micheal: Like the others I rather doubt it is water pump. First unless it has been added the SA didn't have a water pump, and secondly when those water pumps go they do get noisey but it is so gradual you don't notice until the coolant starts coming out around shaft. Now if your large fan belt goes around three pulleys you indeed do have water pump, however if is just around the crank pulley and the fan pulley you don't have a water pump. The water pump when those tractors have one is situated almost directly below the generator but driven by the main belt as opposed to the generator belt.

If you don't have a pump follow what Sam and Scotty have told you. If you do have a water pump and determine that is the problem go for a rebuilt pump as opposed to a kit. The kit will be close to the same money and believe me you will not be paid very well for installing the kit. Somewhere in the order of 25 cents per hour.

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Michael

06-18-2003 16:29:51




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 Re: Re: Super A bad water pump? in reply to Hugh MacKay, 06-18-2003 15:11:48  
Having never taken the tractor apart, I wasn't sure whether it had a water pump. You're right, it doesn't have one.

As for fixing the problem, is it hard to do?

How much of the tractor will I have to remove to fix it? Grille, radiator, etc.?

Are the parts for this easy to come by?

Anything I should be on the look out for when I do take it apart to do the repair?

Anything that it would be good to also check/repair while I'm in there?

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Hugh MacKay

06-18-2003 17:06:08




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 Re: Re: Re: Super A bad water pump? in reply to Michael, 06-18-2003 16:29:51  
Micheal: The fan is not very difficult to remove. It will be easier if you remove the hood over engine. On the shaft the fan runs on you will find just ahead and just behind bracket it mounts two nuts aprox 7/8 or 15/16. The nut is actually the one behind the bracket and closest engine block. That one is suposed to be in a groove that will not allow it to turn. So technically you are suposed to be able to turn the nut in front of bracket which is actually the shaft, and it is suposed to turn right out. If they haven't been off for awhile they often don't quite work that way. For tonight spray that nut on back of bracket with penetrating oil and have a good nights sleep. I find when removing one of these have two wrenches and actually to some extend work as though you are trying to remove the nut rather than relying completely on turning shaft. That nut really doesn't hold in that groove all that well. Sometimes they will not hold at all. My SA is that way, the groove is worn. Also often times the nut is turned clockwise in the groove to limit and as such you can get your first counter clockwise movement on the nut which can be an advantage. Once you get fan out of there it is rather easy to work on. I have never had to replace one of these . You will notice a screw on side of fan hub that is for putting oil in. You should have a manual for doing this. I am a bit rusty on the hub and bearing. I think Sam and Scotty have both recently had those appart. I have also heard of the bearing change Sam mentions. If you have anymore questions either come back or send me an e mail.

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scotty

06-18-2003 13:00:47




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 Re: Super A bad water pump? in reply to Michael, 06-18-2003 12:24:21  
Mike, If you indeed have a Super A my bet is that your bearings in fan hub are frozen to the fan shaft, probablly due to lack of oil. There is a cap screw that needs to be removed and oil added to prevent this from happening. You probablly do not have a waterpump unless it was added as an add on later in tractors life. Obviously you need to take it apart and install new bearings.

scotty



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SAm in NS

06-18-2003 12:36:06




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 Re: Super A bad water pump? in reply to Michael, 06-18-2003 12:24:21  
Unless you have a Super A-1 or an even later version your tractor does not have a water pump (this is of course unless someone added one sometime, which has happened before). The fan hub itself can freeze like that from what I've heard. Replacements are available but they are sealed ball bearings (unlike the plain bearings in the original). I hope this helps. SAm in NS



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