Question about Craftsman 26 hp 54 in. Deck Deluxe Yard Tractor - CA Model

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Craftsman DYS 4600 Deck Issue

I have a Craftsman DYS 4600 my dad and I just sharpened the blades on. My dad put them back on so I would not have to get in the floor. (I am in a wheelchair.) When I got onto the mower and fired it up, the blades would not come on. The engagement lever feels like it is stuck. I checked and the belt seems to be on all of the pulleys. What could be causing this?

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Posted on Jan 02, 2017

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SOURCE: Craftsman 42" mower deck won't disengage

Try pulling on the cable coming down to deck. This cable might be your problem. Also check that the spring on the end of this cable is present and functional.

Posted on May 19, 2009

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SOURCE: Craftsman riding mower blades will not engage

maybe the safty switch under seat might be starting to go out if that switch doesn't work the blades wont come on at all for safety

Posted on Jun 28, 2009

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SOURCE: Craftsman riding mower noise when blades engaged

With blades on and engine off reach under and wiggle each blade up and down. If you have excess play you will need bearings.

Posted on Aug 13, 2009

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SOURCE: I have a Craftsman Mower and blades won't engage

Yes, that would make a difference. I have seen the pivot point get rusted and dirty to the point that they wouldn't tension the belt enough. Locate the bolt where it pivots and loosen it just a little, then see if the belt gets tight. It must be really tight when engaged almost like a fan belt on your car in order for it to work. I would also recommend that you take a close look at your belt. It could be burned and have a flat spot since it has apparently been slipping. A flat spot on the belt will cause major vibration when the blades are turning.

Posted on Sep 28, 2009

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  • 62 Answers

SOURCE: after replacing the belt, new pulleys, and bolts,

sounds like the linkage to your blades, check your lever, to make sure its working right may need some grease, it may be sticking and not fully engaging, or doing its job when its supposed to

Posted on Oct 27, 2009

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usually if its missing cut it's not rotating fast enough, or the other thing it can be the blades have not been sharpened. some companies that make blades don't sharpen them so they can be handled, it will have a leading edge and you need a sharpening stone to put a cutting edge on the blade. and the blade has to be put in the right way round. flate top cutting edge bottom.

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Mike, Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
craftsman dys 4500 belt diagram Google Search
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How do you change cutting blade on a Sears Craftsman Mower?

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- Blades can have sharp bits - WEAR GLOVES
- Running engines can make the blade BITE - BAD
ALWAYS disconnect spark plug lead whaen changing blade.
Easy Part:
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- If possible, park with front wheels on a ramp to get better access under deck.
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TA DA! The blade will come off.
- To install new or sharpened blade (I use an angle grinder to sharpen mine) tuck it in place, install the bolt, snug it up, make sure any notches or splines line up, protect your hands (gloves) while you tighten the bolt. and you're back to cutting grass.

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