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Old 06-27-2015, 08:51 AM
Lawrence Landscaping Lawrence Landscaping is offline
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Spindle nuts stuck

Hi

We recently bought a new Cub Cadet Z-Force 60" zero turn. The first time we changed the blades there was no issues. This time I am unable to remove the 2 outer blades. The impact gun won't budge the nuts. Using a blade locker I tried using a break at and socket. It seemed like it was turning however it was turning the shaft as well. The pulley did not turn just the shaft and nut. A lot of force was required. I the tried heat on the nut. Has any one ever had this problem? Just a note the center blade came off without issue.

Thanks
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Old 06-27-2015, 09:08 AM
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JLSLLC JLSLLC is online now
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See on the top of the pulley if there is a nut to put a wrench on or maybe stick a prybar into the pulley if not?maybe throw an extra block of wood under the deck..Get a floor jack handle and use a half inch rachet and socket and feel it off so you don't snap or strip. Spray a little lube on it tap the socket on, and go forward and back in a quick motion using the impact gun. Good luck! A tiny bit of antiseize goes a long way!
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Old 06-27-2015, 09:18 AM
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Charles Charles is online now
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I put a block of wood between the blade and the deck. Use a large socket wrench and a breaker bar. Not sure if that fits your situation
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Old 06-27-2015, 10:41 AM
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ToddH ToddH is online now
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This often happens if you hit something with the blade. I have used a grinder to cut off the bolt head and replace the bolt. Sucks but sometimes you just have to do it.
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Old 06-27-2015, 12:12 PM
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BigFish BigFish is offline
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It should have a through bolt, right? Just put a wrench/socket on the bolt head, and wail away with yer impact on the nut.
Use never seeze on em when ya re-assemble.

If that don't work, then do as ToddH suggested.

You must repeat the Mantra:" I will use anti-sieze on da blade bolts..."
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Old 06-27-2015, 12:20 PM
AVS Lawns AVS Lawns is online now
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Yea, isn't there a head on the bolt under the deck?

And on that note,
PUT BLADE BOLTS NUT SIDE ON TOP OF THE DECK.

I have looked at 3 mowers this year that had bolts dropped in from the top with nuts under blade.

If that nut loosens up those blades WILL depart the deck.
With threads above the deck the bolt will drop and hit the ground and retain the blades should the nut come off.
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Old 06-27-2015, 12:24 PM
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BigFish BigFish is offline
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Quote:
Originally Posted by AVS Lawns View Post
Yea, isn't there a head on the bolt under the deck?

And on that note,
PUT BLADE BOLTS NUT SIDE ON TOP OF THE DECK.

I have looked at 3 mowers this year that had bolts dropped in from the top with nuts under blade.

If that nut loosens up those blades WILL depart the deck.
With threads above the deck the bolt will drop and hit the ground and retain the blades should the nut come off.
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Good point !
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It ain't rocket science!
XXX.....so far.
" Pay no attention to that man behind the curtain! "
https://www.youtube.com/watch?v=YWyCCJ6B2WE

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Old 06-27-2015, 01:03 PM
herler herler is offline
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I've had this problem, more than once.
Depends on the mower, too.
Some of mine do it more than others, specific makes and models that is.
I have learned not to tighten them too much on the one or two mowers that like to stick it.

Quote:
Originally Posted by AVS Lawns View Post
And on that note,
PUT BLADE BOLTS NUT SIDE ON TOP OF THE DECK.

I have looked at 3 mowers this year that had bolts dropped in from the top with nuts under blade.
Somehow that does not surprise me.
You should see the mower I just acquired.
Oh, it's more than just that, way more, way way more.

Quote:
Originally Posted by AVS Lawns View Post
If that nut loosens up those blades WILL depart the deck.
With threads above the deck the bolt will drop and hit the ground and retain the blades should the nut come off.
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I'm not sure if that's such a concern, being in motion and having a bolt drop into the dirt may not turn out much better... However, the threads being exposed to all that flying debris down below can't be good, not to mention it sticking out like that, going over something...
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Old 06-27-2015, 01:06 PM
AVS Lawns AVS Lawns is online now
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Quote:
Originally Posted by herler View Post
I've had this problem, more than once.
Depends on the mower, too.
Some of mine do it more than others, specific makes and models that is.
I have learned not to tighten them too much on the one or two mowers that like to stick it.



Somehow that does not surprise me.
You should see the mower I just acquired.
Oh, it's more than just that, way more, way way more.



I'm not sure if that's such a concern, being in motion and having a bolt drop into the dirt may not turn out much better... However, the threads being exposed to all that flying debris down below can't be good, not to mention it sticking out like that, going over something...
Bolt length is longer than distance from bottom of spindle to ground. The bolt would have to be driven in 4" into the ground before the end would clear the spindle.

On my bunton there is 6" of bolt still in the spindle when the bolt is touching the ground.
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Old 06-27-2015, 01:19 PM
Lawrence Landscaping Lawrence Landscaping is offline
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Quote:
Originally Posted by AVS Lawns View Post
Yea, isn't there a head on the bolt under the deck?

And on that note,
PUT BLADE BOLTS NUT SIDE ON TOP OF THE DECK.

I have looked at 3 mowers this year that had bolts dropped in from the top with nuts under blade.

If that nut loosens up those blades WILL depart the deck.
With threads above the deck the bolt will drop and hit the ground and retain the blades should the nut come off.
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No they are 1 1/8" nuts with the threaded portion being part of the spindle
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