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Discussion starter · #21 ·
Well the 20-G started costing me money lol. I was driving it down the driveway last week and it cut off again, no spark. I narrowed it down to the ignition module, not surprising since it looked like it still had the original from 89'. So, a new module and two plugs later and she's back to purring again.

Rick


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I wonder about the PO and how they may feel in regards to the simple solutions that they spent so much money on. I also wonder something else; if you were to return it to get your money back plus a little extra for the work you did, would you end up having another set of eyes out there for other unwanted Gravelys. And would that other set of eyes end up paying huge dividends beyond the nice tractor you now have. Just a thought....they may not want it back....then again........
 
Discussion starter · #24 ·
Looks like I'll be opening 20-G trans number 2! Pulled the fwd clutch off today to inspect it. Unfortunately it'd been run down so low the rivets wore a deep groove in the clutch plate on the trans. Aaaahhh! O well, think of the experience, right?

Rick




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Discussion starter · #26 ·
I do not see any rivets, is that a bonded clutch?? :dunno:
No, definitely riveted. The material got worn down so far around the rivets that they left that raised ridge in the center of the clutch material shown in the second pic. It may not be as noticeable as it should though, I didn't realize I still had my phone camera on the 1MP setting.

Rick


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Discussion starter · #27 ·
Finally got the chance to split the trans on the 20-G over the past two weeks, not once but twice! Yay! Ha.

The tractor has pretty much been moth balled since April when I found the clutch plate was heavily worn from the rivets on the clutch.



I got a very nice used plate off eBay, probably a used reverse clutch in all likeliness. I've gotten pretty good at disassembling the tractor down to the trans, only took about 1.5 hrs from the time it rolled into the shop until it was ready to have the cover removed. Split the case, dropped a few thrust washers again so I had to remove and replace shafts again. Replaced the plate and all the seals, got it buttoned back up and most of the tractor put back together only to find out that the bottom of the case seal got pinched inside the case. Split the trans again today, replaced the case seal, checked for leaks, mounted everything back up and hope to drive it again tomorrow or Tuesday. Need to order a new lining for the other clutch so I can have reverse, only have fwd right now ;).

Rick


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Seems I can remember when you became one of those elite who split a transaxle! Routine stuff now I guess.:fing32:
 
Discussion starter · #30 ·
Thanks guys! It's quite funny how accustomed you become to something, even something as complex as a Gravely trans. So far it never fails that the fwd clutch shaft and the brake shaft always dislodge from the inside of the case no matter how much I try to keep them in place. At least it doesn't worry me now when I start hearing, "klinks," lol.

Rick


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Discussion starter · #31 ·
I spent a good bit of time on the 20-G this weekend. The new lining for the clutch came in so I reclined that. I got some very small machine nuts, (I'll have to double check the size,) and I ground off the corners with a file so they slipped down over the rivet into the hole in the lining. They worked perfectly. Relining was quick, painless, and uneventful. Glad to have reverse again. :)


I also:
- Pulled both front wheels, replaced the seals, replaced a bearing on each side with a better bearing, and repacked them with grease. They could stand to have new bearings, but Ithere a lot better now than they were.
-Swapped the all trails to this tractor since it was lacking in the traction department and the 816T is down needing a coil anyway. I like the difference. ;)

-Adjusted the engine for 3550 +/- rpm at WOT. The engine really sounds awesome at that RPM. The slot on the dash is much smaller than any previous tractor I've had, so I had to do some filling to lengthen it.
-Adjusted the brakes for kicking out of gear but not locking up the wheels.
-Reinstalled the hitch and snow plow brackets. I need to find my other spare G series hitch so I can add the engine guard to it.

So far this tractor is coming along great. I've got some new style 2.5" high lift blades coming in tomorrow that I hope to test out with the 50" this week. I think those and the higher RPMs should make a difference in cut quality.

Rick



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Discussion starter · #35 ·
Thanks guys!

Dave, that sounds like perfect logic to me! Runs right along the lines of me needing a 24-G for my 60" deck, although needing a 20-G for the All Trails sounds better ;) haha.

I got the new high lift blades today. They're part number Gravely 49998, and they're the same blade that was spec'd in the later High Lift Blade kit for the 50" deck. Here's a few comparison shots next to a normal 50" blade. You can see the "wing" on the HL blade is longer and has maybe a slight bit more curve to it, though I think the fact that its longer is the big difference.



I went and cut the grass tonight and they did a nice job, though I don't know how much was the blades, engine rpm, or the grass length. It was about a week early for my normal cut. They definitely move a lot for air, they reminded me of the job the 60" does. The real test will be when I cut my 3-4 acres of field grass in 2 weeks.

Rick


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Discussion starter · #36 ·
I'd been pondering getting a new set of tri-rib front tires for the 20-G. I liked the ease of steering and positive directional change they gave on my larger IH 340. I got them mounted this evening and the steering difference is like night and day. Super light steering input, just like power steering, but with very great tracking from the ribs. They're aired up fairly high at the moment, so there mainly running on the center rib. I'll lower them down tomorrow to run a bit more flat. Boy were they hard to get on though. Very stiff side walls, had to use a combination of clamps, tire irons, and a tire changer to get them mounted, but they're definitely worth it. I'm looking forward to using them with the deck attached, they should make for a much less fatiguing experience. They are a bit expensive though, but I have to give a big shout out to Miller Tire for the quick shipping, couldn't of been faster. Also helped them out a bit in return.

Rick




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Nice tires, I've been thinking on a set of those too. Looking forward to hearing more about your experience with them.
 
That looks like a really sensible tire combination for you, Rick. I'm interested to know how they do with turf wear and tear.
 
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