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Jd 650..uh Oh?


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#1 middleageddeere OFFLINE  

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Posted July 06, 2012 - 09:01 PM

Ok found that I needed a new water pump and after ordering on, having a heck of time installing it and then putting it all back together I think I put the fan in backwards...Can anyone tell me for sure if the fan should be pushing air towards the radiator or pulling it away? Thanks for any help.

#2 bhts OFFLINE  

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Posted July 06, 2012 - 09:10 PM

It should be pulling air thru.
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#3 middleageddeere OFFLINE  

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Posted July 06, 2012 - 09:12 PM

Really? SWEET! Thanks I thought I had to pull the whole thing apart again, I was sure it should be pushing air...Whew...Thanks

#4 MH81 ONLINE  

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Posted July 06, 2012 - 09:39 PM

Flipping the fan over won't change it's direction of airflow. Only rotating the engine backwards would do that.

Glad you got the pump in, how's it running?
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#5 olcowhand ONLINE  

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Posted July 06, 2012 - 09:44 PM

So how loose was the old pump once you got it off?
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#6 JDBrian OFFLINE  

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Posted July 07, 2012 - 05:49 AM

Good to hear you got the 650 going again. Those are a strong tractor.
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#7 middleageddeere OFFLINE  

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Posted July 07, 2012 - 06:41 AM

Flipping the fan over won't change it's direction of airflow. Only rotating the engine backwards would do that.

Glad you got the pump in, how's it running?


HAHAHAA!!! Glad I didn't screw up that bad! Sounds much quieter, I think the bracket for the alternator is rubbing a little and making a strange noise but other than that all seems well.
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#8 middleageddeere OFFLINE  

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Posted July 07, 2012 - 06:43 AM

So how loose was the old pump once you got it off?


Ok so if you can imagine that the shaft should be at a perfect 90 to the body of the pump, the bearing was so loose that I could make that a 70 in any direction. I am pretty sure that the only reason it even stopped there was because the shaft itself was hitting. I will try to take a pic of it later today.

#9 MH81 ONLINE  

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Posted July 07, 2012 - 06:49 AM

Glad the engine is rotating the right way. :p
A lot of fans can be mounted "flipped over", just make sure there isn't an offset that will allow the fan blades to hit or rub anything.
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#10 middleageddeere OFFLINE  

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Posted July 07, 2012 - 06:50 AM

Yeah, when I first put it on I had that problem, luckily it was only the shield piece and I was able to rotate it without taking half the engine out again.

#11 middleageddeere OFFLINE  

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Posted July 07, 2012 - 07:16 AM

Anyone know what the appropriate size plow for this is?




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