Posted by farmall706guy on November 28, 2016 at 10:16:54 from (198.110.57.200):
Hi, I have a Case 850-C bulldozer we recently bought, and have been using it, it has 9500 hours on it, I changed the motor oil, tranny oil, hydraulic cylinder reservoir oil and cleaned air filter. i didn't get to check the final drive housing oils, I'm sure their fine, i sure hope they have oil. i mean they shouldn't have leaked out. anyways, when i got the dozer, the tracks were both tight, no slack, the way they are supposed to be, then i put another 24 hours on the hour meter of the dozer, clearing land, and the tracks loosened up, as usual, like they are supposed too. So i shot grease into both sides and tightened them back up snuggly, hardly any noticeable slack, i mean i left a little slack because your supposed to but hardly any. Then i put another, probably 20 hours on the dozer again, and they both became loose again after using it 24 hours, LIKE USUAL, they are supposed to come loose. so i shot grease into them and tightened both tracks up snug again. used it for another 30 hours, then they started coming loose again, though i noticed this time that the left Track, was loosening up a bit faster than the right track during this 30 hours of use, so obviously the left track was very loose compared to the right track, though they were both loose, so when i went to tighten them back up by pumping grease into the cylinders like you are supposed to, i was able to tighten up the right track but it was very hard to, like i had to use a lot of force to pump grease into it, so i used air compressed grease gun and did it, and it barely tightens up, or needs extreme force to. the left track, i cannot get it to tighten up, it takes grease, because i am able to pump the grease gun, "extreme force necessary" my arms are not that strong, i can only bench press 170 pounds. but thats my question, why is both tracks taking grease and not extending, i mean the right track is barely tightening, BARELY. thats why i don't think the cylinders are fully extended, maybe they are, i don't know. if they are, how big of job is it to fix and what do i do? sorry for this huge paragraph and all these words and questions, just answer the best you can. Thanks guys.
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