General help and support for your Lindeman through 2010 John Deere crawler
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454BBGB
- 40C crawler
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by 454BBGB » Wed Jun 27, 2007 7:14 pm
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can someone steer (haha) me in the rite direction . i have picked up a 57 420c with rt steering issues .. adjusted throw out bearing. pull outer case off and reviewed discs , cleaned and reassembiled . still same issue .. put into a pile of dirt . only getting drive off left track .. new to the crawlers .. could this problem be in final drive assembly .. Thanks to all ..454BBGB.
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wwattson
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by wwattson » Wed Jun 27, 2007 7:31 pm
Lavoy is probably going to be your best source of info on this one but it could be a few different things. Did you adjust the steering clutch pressure plate using a JD-7 pressure plate gauge? Could be the levers are pressed in enough to release the clutch due to wear.
The final drive could have a stripped pinion or worse but it seems like you'd notice it from all the parts in the final drive making bad noises.
I'd bet on the clutches but Lavoy has seen hundreds to the two I've had apart.
Bill Wattson
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Lavoy
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by Lavoy » Wed Jun 27, 2007 8:55 pm
Bill pretty much hit all of them, might add stripped splines in rear end. Look to the clutches first. Pull the little top cover on the clutch housing and leave it off. Work the crawler, and see if the brake drum is turning when that side quits driving. If it does, it is in the clutch area somewhere. If not, it is in the final somewhere.
Lavoy
I said this wrong, Don caught it.
If the drum turns, then it is a final drive problem, if it does not, it is clutch or splines problem.
Lavoy
Last edited by
Lavoy on Thu Jun 28, 2007 11:15 am, edited 1 time in total.
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donol60
- MC crawler
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by donol60 » Thu Jun 28, 2007 9:15 am
Lavoy, If the brake drum is not turning when a track quits pulling, indicates slipping clutches or splines, not final drive problems, correct me if i am wrong, it happens all the time. Don
old style straight blade
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wwattson
- 1010 crawler
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by wwattson » Thu Jun 28, 2007 10:07 am
Donol60,
You and Lavoy are saying the same thing. The drum is attached directly to the pinion shaft of the final drive. If the drum is turning but the final drive isn't, it's pretty much got to be in the final drive. If the drum isn't turning, either the clutch has to be slipping or the spline in the transmission output is stripped.
Bill Wattson
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donol60
- MC crawler
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by donol60 » Thu Jun 28, 2007 11:12 am
wwattson
Lavoy, says, (quote ) see if drum is turning when that side quits driving------if it does ( turn ) it is in the clutch area somewhere- ----- ( end of quote ) Here is where i disagree, if the drum is turning the clutch IS NOT the problem area. Don
old style straight blade
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Lavoy
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by Lavoy » Thu Jun 28, 2007 11:13 am
Don is right, I said it backwards.
Lavoy
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wwattson
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by wwattson » Thu Jun 28, 2007 4:13 pm
If Lavoy said it backwards and I understood it frontwards, what does that make me? (Be kind please)
Bill Wattson
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Stan Disbrow
- 350 crawler
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by Stan Disbrow » Fri Jun 29, 2007 8:56 am
Hi,
Sideways?
Stan
There's No Such Thing As A Cheap Crawler!
Useta Have: '58 JD 420c 5-roller w/62 inside blade
Useta Have: '78 JD350C w/6310 outside blade
Useta Have: '68 JD350, '51 Terratrac GT-25
Have: 1950 M, 2005 x495, 2008 5103 (now known as 5045D)
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wwattson
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by wwattson » Fri Jun 29, 2007 9:18 am
Nailed it! And that'd be the way you're going with one side not working.
Bill Wattson
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donol60
- MC crawler
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by donol60 » Fri Jun 29, 2007 10:08 am
Hi, WWattson, Just like the rest of us uns,--plain regular ol humanoid
,
that is just MHO
old style straight blade
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neil
- 420 crawler
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by neil » Mon Jul 02, 2007 10:46 pm
I really enjoyed the show guys--------- had a nice little chuckle
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454BBGB
- 40C crawler
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by 454BBGB » Wed Jul 04, 2007 2:21 pm
Thanks for all the input .. think i have found the problem .. fibers may be to far gone . anyone know were i can find specs on thickness of fiber ?? Thanks agian to all 454BBGB
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wwattson
- 1010 crawler
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by wwattson » Wed Jul 04, 2007 2:59 pm
Bill Wattson
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454BBGB
- 40C crawler
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- Posts: 18
- Joined: Tue Jun 26, 2007 7:09 pm
- Location: Green Bay ,Wi
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by 454BBGB » Thu Jul 05, 2007 4:30 pm
Thanks for the info should help a great deal in the project at hand ..
what a wonderful site for the crawler world of JD. My hats off to all .. Thanks again ..454BBGB
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