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Sickle Save


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#1 Talntedmrgreen OFFLINE  

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Posted October 10, 2014 - 08:49 AM

I had an RBT sickle bar on my want list most of this summer, as I have a long ditch that I mow along on each side, and a stretch of it is not accessible with a deck or flail mower.  I had struck out on the ones I have found, until Littledeere posted an add for a fixer-upper here on GTT.  He was fabulous to work with, and packed/shipped it on a pallet through our friends at Fastenal.  I owe him a return favor!


Got my hands on the beast a couple weeks back and into the shop it went, to undergo some PB Blaster treatment.

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Everything was pretty seized up, and so I would take a whack at it with wrench and PBB every other night or so, and things finally began to come apart...I haven't snapped a bolt yet!  This unit doesn't look worn...just left out in the weather for who knows how long.  It's awful crusty, and I didn't know whether it would be a worker, or a parts donor.  At very least, I'll be sourcing a pulley, but all other parts look pretty good!

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Things began to come apart...each time I cringed, another bolt or component came loose.

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These gears haven't turned in quite some time...lube, anyone?

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The planetary itself was my main concern...I was able to free up and lube the pivot pulley and pitman.  The bar moves freely now.  The planetary was all but welded together and took a few days and lots of lube to open up.  The gearset appeared destined for the electrolysis tank, but I was able to coax them free...this was a 3 beer task...not too bad!

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Even the bearings freed up and look good!

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I got the drive pulley off without damage, and the keys are in good shape.  I cannot yet however, free the lower, inside pulley...the one that needs replacing.  I will have to work on that, as it needs to come off so the shaft can be removed through the top of the unit.  The lower side is enclosed by the belt cover/shroud.

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I hope to pick this up again in a few days, clean all the removed components and prime them.  It wasn't my intention to restore this, but quite a bit will get refreshed to preserve it.  I plan to put some hours on it next year under the 917H.  That tractor needs something to do!  =]

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#2 KC9KAS OFFLINE  

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Posted October 10, 2014 - 10:11 AM

More PB blaster and beer and it will soon come apart just like the rest of the mowing machine!

 

Oh, drink the beer, don't put it on the mower!


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#3 Talntedmrgreen OFFLINE  

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Posted October 10, 2014 - 10:23 AM

Oh, drink the beer, don't put it on the mower!


Advice to live by!
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#4 Littledeere OFFLINE  

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Posted October 10, 2014 - 04:56 PM

You know the old guy this came from would be proud of the job your doing here


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#5 Bill 76 OFFLINE  

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Posted October 10, 2014 - 04:59 PM

Quite the project,looks like you got in under control and thats what I like to see,a high quality engineer hammer doing what they do best,if that don't get it apart nothing will.



#6 KennyP ONLINE  

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Posted October 10, 2014 - 05:14 PM

Get some acetone & ATF mixed up. That may help free that pulley!



#7 farmerall OFFLINE  

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Posted October 10, 2014 - 05:44 PM

Nice work. Everytime I see your collection I begin to drool lol. You have so many nice looking tractors in there.



#8 Bill56 OFFLINE  

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Posted October 11, 2014 - 06:20 AM

Considering all the (crust), I'd say that came apart remarkably well! PBB and patience works good. Thank you for sharing the photos.

#9 bryan 110 OFFLINE  

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Posted October 11, 2014 - 09:00 AM

So you think you can't save that pulley huh. Hope you can save the mower

#10 Talntedmrgreen OFFLINE  

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Posted October 13, 2014 - 07:48 AM

Thanks guys.  We were camping the past few days, so not much has been accomplished, but I went out last nite and cracked a few more nuts loose.  Slow and steady seems to be working well. I finally did have one bolt snap off, which was actually quite a bit easier than working the nut off.

 

These bolts hold the primary drive unit with my stuck pulley.  I had to free it from the frame/hitch, and next will remove the shroud tin so I can slide that drive shaft out and work on the shaft/pulley on the bench.  Should get a real clear photo of the narly pulley then.  Looks like a real busy week, but this method of picking away at a single, small sickle-task a few nites a week is doing the trick without me rushing and forcing something.

 

The main pulley is definitely toast...pieces fall off each time I tap away at a bolt with something.  There is bits of the belt fused into it, and that seems to be the only thing holding the lower half to the upper half.  I'm shocked that pulley decayed so badly, but the rest seems to be just surface rust at this point.  Darn H2O...if it wasn't used in making beer, I'd curse it for rotting away cool machinery.   :rolling:

 

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#11 Talntedmrgreen OFFLINE  

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Posted October 16, 2014 - 08:12 AM

Made a little more progress...again, not too bad coming apart!  Two of the sheetmetal screws in the lower portion of the housing were well rotted, and so I ground those head off, and will work on removing the screws later.  The others freed up, reluctantly, and the drive pulley and idler assembly was free for inspection and removal.  As you can see, the bottom tin has succumbed to rust pretty badly.  This and the drive pulley are the only damages I can find, and I can deal with that.

 

 

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The idler feels great...A+.  The drive pulley, not so much.  

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The drive shaft slid out freely, and the drive pulley came loose easily as well.  Should be an inexpensive, off-the-shelf replacement.  1/2 vbelt pulley, 5"OD, 1"ID.

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Now, all that will remain is to remove those two sheetmetal screws, find a pulley, and begin the cleaning process before paint and reassembly.  

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#12 Texas Deere and Horse OFFLINE  

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Posted October 16, 2014 - 10:10 AM

Looks like grease was your friend on this piece. Glad to see it all came apart easily.



#13 Talntedmrgreen OFFLINE  

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Posted October 16, 2014 - 10:19 AM

Yeah, it would move by hand slightly, and I greased the snot out of it, and worked it in.  I doubt it could have survived too many more years in the dampness where it wound up.


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#14 Talntedmrgreen OFFLINE  

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Posted July 22, 2015 - 09:47 AM

Its embarrassing how long I delayed this project. I had used an earlier variety sicklebar the first half of this mowing season, and sold it this past weekend so I can buy tile and countertop for Mother.

This sickle suddenly made its way back to the top of my list!
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#15 Talntedmrgreen OFFLINE  

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Posted July 22, 2015 - 10:01 AM

I had picked away at this on and off...sourced a new drive pulley, cleaned, re-cleaned and painted the drive assembly components.  Last nite I fought off skeeters and reassembled the drive, then mounted it to the frame and tried my belt...too short.  I have one of those Accu-link adjustable v-belts that came with an attachment I bought some time back.  I'll take that to TSC today to get something that fits.  I had bought by the book and that is just too tight.

 

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I'm thinking now I may pop the frame loose and clean/repaint that to match.  Looks pretty bad now, beside that clean black paint, and the idea was to resurrect and PRESERVE this thing.

 

Over the winter I had found a second sickle which was in primo shape...it was a residual find, based on old want ads I had floating out there from my search.  I picked it up, fixed a thing or two, then trouble-shot the install on a 7100/900 series tractor as part of the deal for a resale.  I was able to make just enough to cover the cost of the pulley and belts needed to redo the project sickle.  I prefered to keep the one with pedigree and my blood and sweat all over it!  :thumbs:

 

These were not offered beyond the 7000/700 series tractors, and the result is no factory mounting position for the lift pulley/bracket or rear hangar.  The belt length is also not documented since the 7100/900's are longer machines.  I got it all setup on my 917H, and found a 73" belt does the trick perfectly!

 

I drilled one hole for the front pulley bracket, and used an existing carriage bolt hole for the running board mount, to attach my rear hangar.

 

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This is what it should look like soon, but with a green backdrop!

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