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Keith, there is no actual clutch pulley seal on the "H".. The "H" uses a combination of reverse screw type threads on the OD of the operating sleeve & a catch trough in the dust shield.. ~Those H's do tend to spit some oil out around the clutch pulley after prolonged use, especially if the tractor is used on a side hill with the clutch pulley on the down hill side. ~If you have a 39 "H" the leakage will be even worse as the reduction cover is different & less effective. ~If the oil leak is while running [in operation] you could have too much oil in the trans/rear axle, worn operating sleeve to pulley hub, worn cam bearings, leaking R/H engine cam seal, pulley moving in & out too far, too thin of trans/rear axle gear oil, bent or misadjusted oil scraper inside the reduction cover, plugged drain back hole in the dust shield. Or a combination of the above. ~If it only leaks after being parked it could be most of the above or ? ~The first thing to check is that you are using the correct trans/rear axle oil.. If you are using the modern 85/90 gear oil that stuff is much more prone to leaking do to being thinner & more flowable then the original stickier Deere GL-1 gear oil. ~Check the trans/rear axle oil, if it's too high suspect a leaking R/H engine cam seal, or water in the trans. ~You might want to snap the clutch into engagement then grab the clutch pulley & see how much movement the cam & pulley has.. If excessive you have wear on something [probably the engine cam bearings].. ~If it leaks only when parked [or mostly when parked] try not to idle the tractor for long with the clutch disengaged. Push the pulley in towards the tractor when parked, try to park the tractor so the clutch pulley is on the up-hill side. ~If you can tell [it's hard to see in there] if the oil leak is from between the operating sleeve & pulley hub, or dripping off the operating sleeve, or dripping from the dust shield's catch trough we can maybe pin point your leakage point a little closer.. MERRY CHRISTMAS [email protected]
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