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1070 grinds gears when first putting into gear. good-bad?

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jesters 13

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PostPosted: Thu Feb 25, 2010 10:32 pm    Post subject: 1070 grinds gears when first putting into gear. good-bad? Reply to specific post Reply with quote

I Just got my 1070 black knight back from having the power shift completely rebuilt. It’s my first Case PS (grew up on a JD4020)and I’m learning the do’s and dont’s of it. Like always check for the Park brake before tearing down the furrow and wondering why its pulling harder on this plow furrow?? Hmm ..yea I was that guy… Whats its doing is when I start her up I let the pressure built to 60 on the gage. then at idle when shifting it into a range(1 through 4) it will grind the gears a little and slowly stop, then it will let me shift into that range. But it doesn’t always do that. For example, if I work the tractor a little while and have the RPM’s up it tends not to do it. Maybe theirs a trick I haven’t learned yet or its just this cold weather being hard on the old girl? Another thought I had was that from factory they didn’t put syncro’s on the ranges so you wouldn’t blow the transmission out. Kind of like what truck transmissions do for 1st gear in a standard. I not sure though. Maybe it needs re-adjusted? Any way I just got her back and don’t want to cause any premature wear because of a simple issue. If I have to ill pay the $100 service call for our mechanic to come out if needed. But what everyone views and opinions? You guys have helped me a lot in the past and I hope on this issue as well. Thanks...
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big jt
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Joined: 04 Aug 2004
Posts: 1676
Location: NW Iowa

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PostPosted: Thu Feb 25, 2010 10:44 pm    Post subject: Re: 1070 grinds gears when first putting into gear. good-... Reply to specific post Reply with quote

No synchro's on the range side of that transmission.

I think the book tells you to only shift that lever at a complete stop.

You need to wait for the transmission to come to a complete stop. Case has what I call the "Case Lurch" If you notice when you push down on the inching pedal (clutch) there are two points when the engine gets a load on. Sometimes ,esp in colder weather the second one takes a little bit of time. If you wait for the second one and a little bit after you should be able to shift the range lever at will.


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Joined: 10 Aug 2008
Posts: 4459

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PostPosted: Fri Feb 26, 2010 8:40 pm    Post subject: Re: 1070 grinds gears when first putting into gear. good-... Reply to specific post Reply with quote

My 1070 is a 1971 , when I punch the (clutch) there is a sound ( similar to the Powerglide Chevy when placed in park ) if that sound is not evident you cannot shift the big Boss ranges , or shift into reverse , Parking brake Does have a lite indicator on the dash , ( mine is not working right now either )... CASE Should had Made a FOOL proof PARK PALL like DEERE and others ... and later models..
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