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post #31 of 75 Old 05-23-2018, 08:20 AM Thread Starter
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Re: 30 in deck just pushes grass over

It does look about gone. That is not may blade. Mine is worn but not that bad.

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post #32 of 75 Old 05-23-2018, 08:56 AM
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Re: 30 in deck just pushes grass over

Quote:
Originally Posted by Richard-tx View Post
The blade in this picture is worn out. Scrap it.


When the cutting edge becomes angled this way, it tends to push the grass aside, rather than cutting it cleanly.

Even if dead-sharp, it will not cut as well as a blade with parallel cutting edges.
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post #33 of 75 Old 05-23-2018, 09:03 AM Thread Starter
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Re: 30 in deck just pushes grass over

I try to sharpen my blades all the way across so the edge remains flat.

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post #34 of 75 Old 05-23-2018, 10:01 AM
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30 in deck just pushes grass over

Quote:
Originally Posted by perryg114 View Post
It is the standard 106 style deck. No guard on front.


Looks like the standard full length rear guard.

Iíd check the safety clutch, either itís way too loose or the discs are worn out. There is a specific way to test the safety clutch, youíll need a beam style torque wrench to check ďrunningĒ torque. Consult the Gravely service manuals for proper safety clutch torque.
There was an eBay seller the offered a special socket that was capable of testing the clutch.

On Gravely direct drive implements it is very important that the safety clutch is properly adjusted, too loose and well things donít work, too tight and things may get damaged. Yes, Iíve encountered situations whereby the safety clutch did its job and probably prevented damage to the tractor.

Edit:....
I just read in a Gravely owners manual that the safety clutch is properly adjusted when a .025Ē gap is present between the coils of springs on the safety clutch. I guess if this gap is good and the clutch still slips new friction discs are required. I still like the method that checks running torque.



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Last edited by cmeyers77; 05-23-2018 at 10:10 AM.
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post #35 of 75 Old 05-23-2018, 10:59 AM Thread Starter
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Re: 30 in deck just pushes grass over

I will mess with it again after I get finished being aggravated with it. Safety clutch is next. Might also have some gear problems. If that is the case maybe I can rob some parts off the 40in deck which I believe uses a 106 gear head with a pulley on the end instead of a blade.

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post #36 of 75 Old 05-23-2018, 12:21 PM
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Re: 30 in deck just pushes grass over

Quote:
Originally Posted by Gravely Frank McM View Post
When the cutting edge becomes angled this way, it tends to push the grass aside, rather than cutting it cleanly.

Even if dead-sharp, it will not cut as well as a blade with parallel cutting edges.
I didnt kno that but its the one it came with, the 3/8" thick one. Its all even looking, heres some more pics.
It sits pretty level but wouldnt it be OK for brush cutting if sharpened?
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post #37 of 75 Old 05-23-2018, 12:35 PM
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Re: 30 in deck just pushes grass over

Maybe "Better than nothing", but if it were mine ( and I hate to throw anything away ), I would invest in a new blade. I'm not rolling in excess cash, but I would cough-up the $40 for a new brush-blade from Richard's, if it were me...

If I were dead-set on using this one, I would take an angle-grinder and work on making the beveled cutting edges parallel with the length of the blade again, then maybe tapering out of that hard cut-back towards the center of the blade.


Would take an hour or two, and maybe a couple grinding wheels.

Time and supplies cost money too.

Also, the heavy brush-blade is not the best grass-cutter; better for brush-hogging.


Think about it and do what makes sense for you...
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post #38 of 75 Old 05-23-2018, 12:46 PM
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Re: 30 in deck just pushes grass over

Well I had pretty much no plans on using it really and in the pics you can see the other new medium blade I got from Richards. If you referr to the post I said something like "Oh crap I accidentally posted a pic of that old brush blade to" but that thing is laying here on the floor for "desperate brush cutting " if the need ever arises.
But the one with the squared-off ends is the new one. But I wish someone had a thin finnish blade as they are calling it but every web site says 'out of stock'.
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post #39 of 75 Old 05-23-2018, 01:27 PM Thread Starter
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Re: 30 in deck just pushes grass over

When it gets much past that point the tip can break off the blade. I have seen it happen before.

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post #40 of 75 Old 05-23-2018, 01:44 PM
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Re: 30 in deck just pushes grass over

I honestly didnt think there was anything wrong w/it, I mean its flat and both ends are exactly the same and just thought that was how it was made.
Now I gotta try and put the new fan shaft and bearings on this housing so I can start getting this thing put back together and with you all's and Gods help it might actually run one day lol.
Wish me luck. Im gonna pull-up the Sticky's free manuals and get a drawing of how the parts line up at least.
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post #41 of 75 Old 05-23-2018, 08:24 PM
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Re: 30 in deck just pushes grass over

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Originally Posted by perryg114 View Post
When it gets much past that point the tip can break off the blade. I have seen it happen before.

Perry
Here's the new one, I hung it up just the other day and shot just a little primer on it to keep it from rusting. You can see the edge it has on it, its the one they say is the meduim one.
And the "Deck from Heck" it will go on untill it falls apart anyway wich shouldnt take to long.
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post #42 of 75 Old 05-24-2018, 07:58 AM
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Re: 30 in deck just pushes grass over

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Originally Posted by perryg114 View Post
When it gets much past that point the tip can break off the blade. I have seen it happen before.

Perry
Echoing what Perry said, I, too, have seen this happen - I broke two blades off in this fashion. They were well-worn regular blades for the 30" rotary mower (much like Gerrard's earlier picture) which were on the decks when I purchased the machines. I was using them for brush-cutting and all of the sudden the machine starting vibrating horribly. I immediately shut it down and looked underneath the deck and saw that a 4" piece of the end of the blade was no longer present. Apparently, once was not good enough for me because I had a second identical failure under the same circumstances! Now, my brush-cutting decks are both sporting the 3/8" brush-cutting blades.

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post #43 of 75 Old 05-24-2018, 11:54 AM
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Re: 30 in deck just pushes grass over

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Originally Posted by fireant911 View Post
Echoing what Perry said, I, too, have seen this happen - I broke two blades off in this fashion. They were well-worn regular blades for the 30" rotary mower (much like Gerrard's earlier picture) which were on the decks when I purchased the machines. I was using them for brush-cutting and all of the sudden the machine starting vibrating horribly. I immediately shut it down and looked underneath the deck and saw that a 4" piece of the end of the blade was no longer present. Apparently, once was not good enough for me because I had a second identical failure under the same circumstances! Now, my brush-cutting decks are both sporting the 3/8" brush-cutting blades.
That is the 3/8" brush blade and other than it being rusty and I know you guys know more than I do I honestly cant find anything wrong w/it and cant find exactly what everyone's talking about. If its that 'notch' at the ends of each side of it they are completly uniform and had to be made like that I thought anyway. But it wont be used anyway, but its the 3/8" one for certain.
Hey Fireant, Im trying my best to get things moving and as soon as I get that fan shaft & bearings figured out I can start moving more rapidly. Or " Rabidly" lol!
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post #44 of 75 Old 05-27-2018, 10:39 PM Thread Starter
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Re: 30 in deck just pushes grass over

Ok, I think I got the mower deck working. For some reason it was jumping out of gear. I also had the blade too high. I ended up using about half the washers on each side. I also sharpened the blade. It was not as sharp as I thought and it was sharpened on the top and the bottom to some extent. It needs to be replaced. I was able to get about 2/3 of it flat but the outer third forget it. It does have a half length guard on the front and that is not helping. It tends to push the grass over. I don't think the implement clutch was that far out. I adjusted it anyway. So how much is a new blade and where to get one?

Now on to the C8. I think it needs a new Magneto. Cleaned the points but it still seems like the spark is weak and intermittent.

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post #45 of 75 Old 05-27-2018, 11:47 PM
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Re: 30 in deck just pushes grass over

Check this out, here is the blade a very thick 3/8 brush blade that is on the 30" deck from the L I I bought for parts, and its the same blade as the one we've been talking about. What gives ya recon?
Couldnt get a good pic because I didnt feel like moving it out and all that but its the same blade.
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