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D-17 acts as if wet clutch is slipping and totall

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Dr. Lonnie Robi

05-23-2003 15:00:43

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I recently bought a Series IV D-17 and after using it for about 10 hours, it is now(frequently) acting as if the wet clutch is slipping after being put into any gear with the foot clutch...however, the wet clutch is solidly in place (this happens regardless if is is in high or low range). If it is already traveling (under motion) in gear (regardless of the gear it is in), any extra load that is experienced, such as plowing over a tiny knoll, will cause the tractor to stop on its own, as if the foot clutch was depressed (to disengage travel) or the hand clutch had been placed in neutral. At times, it won't even start in motion when in gear, and with the hand clutch (wet clutch) in either high or low range. And, when it does start, it starts slowly as if the hand (wet) clutch was being slowing engaged (but in reality, the wet clutch is already fully in place, whether it be in high or low range). It does not matter what forward gear (reverse does not seem to be affected) or position (high or low range) the wet clutch is in, the tractor if frequently refusing to move forward and/or it will totally stop on its own after being under way (traveling along)!

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05-23-2003 16:02:06

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 Re: D-17 acts as if wet clutch is slipping and to in reply to Dr. Lonnie Robinson, 05-23-2003 15:00:43  
Lonnie, from what you descibe, it sounds like the main clutch is slipping. Is there some smoke or foul odor coming from underneath the clutch housing (right behind the engine) ? Does the housing get hot when this happens? Do you have a PTO-driven attachment such as a bush-hog or grinder that you could hook up and see if the attachment continues to run under load?
I bought a Series IV last December and it was sometimes a bear to get into gear. (But not always) What happened over the years is that some hydraulic fluid had leaked past the seal(s) in the hollow hydraulic pump shaft and soaked the clutch plate and made a huge gooey mess.

The hollow shaft was used on the Series IV, not the earlier D17's.

If this is the case, the clutch plate and/or pressure plate will probably have to be installed. This is also the time to replace the seals and bushing inside that hollow shaft.


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