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Old 02-19-2011, 01:20 PM   #1
taltimus
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Default Quick Question - Reverse threads on mower deck blade bolts?

Are the bolts holding on the blades on my 54" deck (for a 445) reverse thread or normal? I've having one helluva time getting any of them off...
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Old 02-19-2011, 01:33 PM   #2
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

never dealt with a 445, but my L130 and my X500 are both regular thread. try tapping with a hammer as you attempt to turn them, they do tend to stick tight.
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Old 02-19-2011, 01:41 PM   #3
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

They do stick the last time I took mine off my old jd one was stuck so back I broke my ratchet.
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Old 02-19-2011, 04:28 PM   #4
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

Yeah, I almost broke my 3/8 drive ratchet as well, it slipped out of the gearing, I thought it had broke... soooo, I went to Sears and bought myself a 1/2 drive flex/breaker bar and a set of 1/2 drive sockets. I still had to put a piece of 1" pipe over the handle to get the bolts loose.. yowsers!

Anyway, thanks for the info. I did get them all off, and without breaking anything :-)
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Old 02-19-2011, 04:33 PM   #5
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

I always use a box end wrench and a brass mallet.
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Old 02-19-2011, 04:46 PM   #6
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

Try some PB Blaster from the auto parts store or hardware store. If you are still having trouble. Tap it lightly with a small hammer after soaking let it work it's way in.

That stuff really penetrates well................
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Old 02-19-2011, 04:51 PM   #7
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

They should all be standard thread or they would have a tendency to loosen when running.
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Old 02-19-2011, 06:29 PM   #8
bvp2000
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

Make sure you put in new bolts and coat them with anti sieze...I never reuse those bolts...
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Old 02-19-2011, 07:12 PM   #9
LakeRat1
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

I have a JD 445 the Treads are Right Hand, These are good size Bolts, if i remember right it takes a 15/16 socket, to make them come out with out so much trouble, put a little Never Seze on the threads before you reinstal the blades, what you need to do is get a short chain, like 1/4 in. about 3 or 4 ft. long, with a hook on one end, place the hook over the end of the blade and rap the chain around something to hold the blade, i put a 3/8 in. bolt through the chain end to keep the chain from slipping, now that you have the Blade where it wont turn, take a good 6 point socket on either a 1/2 impac or a 1/2 in braker bar with a short piece of pipe for a cheater bar, i have a piece of 1 in. pipe about 18in. long that i use, when you put the blades back on check in the owners manual they may have how much torque they need, if not just use the braker bar, but not the cheate bar, i bet the bolts were put in dry last time there were out, OR some one put them back on with a impac wrench and went WAY to TIGHT, I just went out to the shop and checked the Book, it calls for 83 FT. Lb of torque, i dont ever do that because i have worked of stuff enough to know, if you are not familar with things like this, best thing i can tell you to do is tighten them up about as tight as you would tighten the lug nut on a car tire, another Thing the heads of the bolts will ware, dont let them go to the point that your socket wont catch, i change my bolts about ever 3 years,
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Old 02-19-2011, 09:00 PM   #10
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

on the never sieze compound. Save a lot of headaches taking them off!
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Old 02-19-2011, 09:02 PM   #11
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

Impact gun...
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Old 02-19-2011, 09:56 PM   #12
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

Welcome to the forum!

I like the sound of your post. Keep up the good work!

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Old 02-19-2011, 09:59 PM   #13
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Default Re: Quick Question - Reverse threads on mower deck blade bolts?

Quote:
Originally Posted by Engine_Tech View Post
Impact gun...
My choice every time.
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