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JD 425 Power Flow won't stay engaged


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#1 whitefishblues OFFLINE  

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Posted February 27, 2015 - 12:47 AM

I've got a 1995 425 with a 54" deck and the Power Flow bagger.  The belt tensioner pulley won't stay engaged on the Power Flow.  When I first got the tractor (used, a couple years ago, and with about 600 hours on it) I would have to re-engage the pulley 2 or 3 times per load of grass.  This was in normal grass, not too tall or heavy.  The problem gradually became worse until I quit using it last year.  It is pretty much to the point where I engage the pulley, turn on the mower, mow a foot or two, and it pops out.  

 

I tried a new belt last year but it didn't help.  Actually seemed to make it worse.

 

Has anyone else experienced this?  Any ideas?  I can see that the pulley is held in place by a post, and that the post is held in place by a rubber strap connected to the chute.  I have the instruction manual and I measured to make sure the rubber strap was installed at the right location.

 

I plan on taking it into the dealer next week unless someone can offer me some advice.  It would be most appreciated!

Attached Thumbnails

  • Power Flow 1.jpg
  • Power Flow 2.jpg
  • Power Flow 3.jpg
  • Power Flow 4.jpg

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#2 jd.rasentrac OFFLINE  

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Posted February 27, 2015 - 12:53 PM

I've an OM - but just in german....


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#3 WNYTractorTinkerer ONLINE  

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Posted February 27, 2015 - 02:02 PM

The engaging springs, strap or linkages must be getting worn or weak.  I'll take a flight over to Germany if JDR is going to look @ it for ya!   :D


Edited by WNYTractorTinkerer, February 27, 2015 - 02:03 PM.

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#4 jd.rasentrac OFFLINE  

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Posted February 27, 2015 - 03:24 PM

The engaging springs, strap or linkages must be getting worn or weak.  I'll take a flight over to Germany if JDR is going to look @ it for ya!   :D

 

I think, it's the second time you'll take a trip to GOG, Dave. May I brew a coffee?


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#5 WNYTractorTinkerer ONLINE  

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Posted February 27, 2015 - 03:40 PM

I think, it's the second time you'll take a trip to GOG, Dave. May I brew a coffee?

LOL  I stand corrected..  They are usually hooked on the Run circuit side..  Dumb mistake on my part!   :hitting_self_roller:


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#6 shorty ONLINE  

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Posted February 27, 2015 - 05:31 PM

In the second pic, it almost appears that on the top pulley the belt has a slight tweak to it. Almost like that pulley mount is out of place.


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#7 whitefishblues OFFLINE  

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Posted February 27, 2015 - 08:35 PM

That sounds promising.  Does anyone have a picture of what it should look like?



#8 jd.rasentrac OFFLINE  

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Posted February 28, 2015 - 02:26 AM

Shorty is right- the pulleye isn't parallel to the other below and that must be the fault

post.jpg






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