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No reverse


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#1 scubadave OFFLINE  

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Posted November 08, 2015 - 03:42 PM

Just went out and shredded some leaves.  I had reverse when I started and after a half hour, no reverse.

This is on a Craftsman DYS4500.  Can't find any loose connections or strange noises.  Anybody have any clues?



#2 MH81 ONLINE  

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Posted November 08, 2015 - 03:47 PM

Hydro or gear?

#3 scubadave OFFLINE  

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Posted November 08, 2015 - 03:52 PM

Hydro



#4 KennyP OFFLINE  

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Posted November 08, 2015 - 03:59 PM

What is the Sears model #? The DYS4500 does not come up at Sears!



#5 boyscout862 ONLINE  

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Posted November 08, 2015 - 05:42 PM

Check the trany fluid level. If its okay, check that the shift linkage is working. A pin may have sheared. Good Luck, Rick

#6 MNGB ONLINE  

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Posted November 08, 2015 - 05:59 PM

Let it cool down and see if you have reverse, I have a Husqvana to does that when its hot out and I've mowed with it for an hour or more it will not back or is very slow and will not go up any incline, let it cool off and it works ok, and I don't know what the fix is other than a different hydr, I checked the oil level filled it up checked the linkage the belt bit that was later the fall after temps were less and its working but won't really know till next summer. Good luck and if you find a repair please let us know



#7 MH81 ONLINE  

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Posted November 08, 2015 - 07:31 PM

If its what i think it is, Those hydros have a couple of issues. They have no way to drain, no way to add without pouring it in the air vent.
I don't think they even have a filter.image.jpg

The one I've seen most is a tuff torq unit. Similar to the ones they are putting in many of the cheapie LT's. Sears wants over 800 for the replacement.

I was told by one person who opened theirs up that there is a part that wears out after about 500 use hours and cannot be replaced. If that's true, and they want 850 for something that will last 500 hours... That's about $1.75 per hour.

Heat seems to be a killer on these, be certain to keep air cooling fins clean on them.
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#8 scubadave OFFLINE  

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Posted November 09, 2015 - 10:07 AM

I found the problem.  I pulled the mower back into the barn and found that the whole mower flexed when I gave it gas.  I got off and found that the frame split in half. 


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#9 MH81 ONLINE  

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Posted November 09, 2015 - 12:11 PM

well, that was unexpected. I can see why it wasnt working correctly.

Planning on welding or ?

#10 MNGB ONLINE  

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Posted November 09, 2015 - 01:03 PM

Hi, well I guess that will do it, that least you know the problem and can repair it good luck. Thanks for posting your findings.


Edited by MNGB, November 09, 2015 - 01:04 PM.


#11 UncleWillie ONLINE  

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Posted November 09, 2015 - 01:45 PM

Yup, frame flex is bad.



#12 scubadave OFFLINE  

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Posted November 09, 2015 - 11:04 PM

Going to weld it up.  I still can't believe the frame broke.  I figured the side rails of the frame were one piece., but they are not.

The sides are tack welded to flanges, with multiple access holes.  The whole frame looks like swiss cheese.






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