update 790 trans fluid/oil change @ 50 hr break-in: Tractor Engine Repair Rebuild  -- Tractor Maintenance Discussion Forum and Review update 790 trans fluid/oil change @ 50 hr break-in: Tractor Engine Repair Rebuild -- Tractor Maintenance Discussion Forum

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 02-12-2003, 12:59 Post: 49135
JAZAK



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 update 790 trans fluid/oil change @ 50 hr break-in

I just got an e-mail confirmation from John Deere.
They just listed the cleaning of the suction screen and changing of the hydraulic fluid/filter as the 50 hr break-in maintainance for my JD 790. This not mentioned in my manual #OMM139226 A9 DATED 98 SO MUCH TO THE UPDATES that should have been mailed out to all owners!!!






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 02-12-2003, 13:56 Post: 49139
Yerbyra



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 update 790 trans fluid/oil change @ 50 hr break-in

Does this apply to the 990 as well?






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 02-12-2003, 15:02 Post: 49145
JAZAK



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 update 790 trans fluid/oil change @ 50 hr break-in

nothin for nothin being the 990 has one more cylinder has similar hydraulics/ 4wd with power steering and uses the same j20c/j20d hydraulic fluid I would do it just for peace of mind.!!!!!!! The Tech did mention that this change occured in manual OMLVU14371 ISSUE J2 790 PIN(592446-) DIDN'T REALLY GIVE A DATE. however you'r serial #'s will be different for the 990 anyway.

I got this info from John Deere's web site(contact us)






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 02-12-2003, 15:44 Post: 49148
kay



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 update 790 trans fluid/oil change @ 50 hr break-in

I followed that advice on my Deere 4300, and changed the fluid, cleaned the screen, and replaced the filter. I found a mat of fine steel particles (almost like lint) on the screen which didn't come close to blocking the entire screen, but I was glad I had that stuff out of there. The first 50 hours apparently is a good flushing-out period for cleaning up the gears and transmission parts.






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 02-12-2003, 16:24 Post: 49154
Yerbyra



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 update 790 trans fluid/oil change @ 50 hr break-in

My 990 has 100hrs on it now,I will check it out,thanks!






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 02-12-2003, 20:30 Post: 49163
DRankin



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 update 790 trans fluid/oil change @ 50 hr break-in

Jazak, did you get the notion that this 50 hour change applies to all gear tractors? I am wondering if I should do it to my 4100..... it has 79 hours on the clock.






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 02-12-2003, 21:57 Post: 49166
Billy

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 update 790 trans fluid/oil change @ 50 hr break-in

Mark,

Accordng to my OM, the 50 hour service is for gear and hydro trans. They changed the intervals when they came out with the 10 series.

Billy






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 02-13-2003, 08:46 Post: 49181
DRankin



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 update 790 trans fluid/oil change @ 50 hr break-in

Thanks Billy.






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 02-13-2003, 18:50 Post: 49201
JAZAK



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 update 790 trans fluid/oil change @ 50 hr break-in

My inquiry was for my 790 only and posted it as such. Hydro is not an option on this machine. Why would they change the 790 manual or did the just put the 790 cover on the 10 series manual ???? !!??!! JD aknowledged the change for the 790 . The 990 is the GEAR big brother I would ASSUME it would also apply.






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 02-13-2003, 19:57 Post: 49203
DRankin



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 update 790 trans fluid/oil change @ 50 hr break-in

I e-mailed Deere and asked about any changes with the 4100 Gear. They said there are no changes and I should follow my OM. It says to change the hydro/tranny fluid at 500 hours.






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Discussion Boards > Active Subjects > Messages as Posted > Tractor Engine Repair Rebuild Forum

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Billy 5 | DRankin 6 | E9-livin 1 | harvey 1 | JAZAK 5 | kay 1 | larry 1 | MITCHC 1 | TomG 1 | Yerbyra 2 |




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