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acd21man 
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Joined: 07 Jan 2010
Location: tn
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 Topic: transbrake
Posted: 24 Dec 2010 at 2:48pm |
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who knows how to adjust the transbrake on a 7000 and a 7010 allis-chalmers powershift.......thanks
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2 wd 45,2 D-17 diesel/gas 3 pt, 220,d21, 4020,2 4430s used daily http://www.youtube.com/channel/UCudh8Xz9_rZHhUC3YNozupw
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Wes (VA)
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Joined: 12 Sep 2009
Location: Elkton, VA
Points: 510
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Posted: 24 Dec 2010 at 5:15pm |
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On a 7000, the left floorboard/fender needs to be pulled up to get to the linkage to adjust. If its an open station. Never been in a 7000 with a cab, but im guessing the floor will come out and let you access it. If you can't adjust it up, the brake itself is replacable by removing the valve-body on the right side of transmission. On a 7010, there's either a cable or linkage coming off of the clutch pedal that I believe can be adjusted..the linkage ends up at the valve body on the right side of the transmission behind the batteries. About the last inch of pedal travel should have brake feel, with a 'free' spot before it where the transmission stops pulling and the brake applies. 7000 is similar. Hope this helps. -Wes
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Leon B MO
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Joined: 12 Sep 2009
Location: Old Monroe, Mo
Points: 2186
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Posted: 24 Dec 2010 at 7:17pm |
We ajusted the transbrake on the 8050 powershift not a month ago. There are several linkages and placed to ajust. Did what the I T book said and after getting done it actually works, before as soon as the clutch disengaged the trans brake applied but now there is a bit of stroke before the trans brake comes on. We can stop the tractor with the foot brakes now. Good luck.
Leon B MO
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Uncle always said "Fill the back of the shovel and the front will take care of itself".
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Andrew(southernIL)
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Joined: 12 Sep 2009
Location: Metropolis, IL
Points: 1086
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Posted: 24 Dec 2010 at 8:03pm |
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Would like to know if the 7000 with cab can be adjusted from the floor. I was affraid I would have to drop the tank.
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If fishing is a sport your looking at an athlete
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MACK
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Joined: 17 Nov 2009
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Posted: 24 Dec 2010 at 8:49pm |
On the 7010 there is a cable at the left rear of the engine. With the engine OFF, loosen the clamp that holds the cable and pull it tword the engine until all the free travel of clutch pedel is gone.
The 7000 may have a spring broke or gone if it is a black belly. MACK
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allispicker
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Joined: 29 Sep 2011
Location: Iowa
Points: 160
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Posted: 19 Dec 2019 at 11:00am |
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Resurrecting an old post after doing a lot of searching. I recently purchased a 7010 PD and it acts like the trans brake isn’t working. I’ve taken all of the slack out of the clutch cable and it still grinds like crazy when trying to shift. If I start it in gear and shift from there it shifts fine, but if I let the clutch out and then push the clutch in again to shift it grinds again. What am I missing?
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Lonn
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Joined: 16 Sep 2009
Location: Назарово,Russia
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Posted: 19 Dec 2019 at 12:00pm |
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could be warped PD plates.
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DrAllis
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Joined: 12 Sep 2009
Points: 21841
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Posted: 19 Dec 2019 at 12:29pm |
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With the engine off, open the cab door and pull down on the inching pedal with your hand. There cannot be ANY freeplay. Even tho you may have adjusted the cable as far as it will go, if the fork bushings are worn out/broken you still are not fully applying the trans brake. Whenever I went to the trouble of pulling off that panel that covers the clutch valve, I always replaced those fork bushings and the ball joint on the end of the cable, and then adjusted the cable length.
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allispicker
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Joined: 29 Sep 2011
Location: Iowa
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Posted: 19 Dec 2019 at 12:33pm |
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What do you mean by the inching pedal? Is that the mechanism with the spring with bolt tensioner?
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injpumpEd
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Joined: 13 Sep 2009
Location: Walnut IL
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Posted: 19 Dec 2019 at 12:53pm |
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inching pedal is the "clutch" pedal.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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allispicker
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Joined: 29 Sep 2011
Location: Iowa
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Posted: 19 Dec 2019 at 5:25pm |
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I have bushings ordered. With the cable adjusted all the way back, the fork touches the heavy spring. The clutch pedal moves another 1” before the plunger is pulled out.
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allispicker
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Location: Iowa
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Posted: 20 Dec 2019 at 12:16pm |
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I have the bushings in. When adjusting the cable, do I pull it back until the fork comes into contact with the spring? Or even further until the spring starts pulling the plunger out?
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DrAllis
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Posted: 20 Dec 2019 at 12:28pm |
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A little pressure on the spring is OK because when you throttle the engine up the spool is pushed out some anyway. Oil all that fork linkage and spring with WD40 or the like.
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allispicker
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Location: Iowa
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Posted: 27 Dec 2019 at 1:45pm |
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I just finished installing all new bushings, spacer, J-pin, cable, and cable ends. Pulled all of the slack out and still the same result....grinds when shifting. What else could be causing the trans brake to not engage?
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DrAllis
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Posted: 27 Dec 2019 at 2:14pm |
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Now, you are down to verifiying what kind of pressure is being sent to the brake. If that is OK (195-205 psi I think) then you either have a trans brake that is worn out or warped discs/plates inside the power director clutch that are dragging too much and the brake cannot stop the rotation.
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allispicker
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Posted: 27 Dec 2019 at 2:54pm |
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After running it for a half hour the trans brake appears to be working. Is it normal for the trans brake to not work as well until the tractor is fully warmed up?
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DrAllis
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Posted: 27 Dec 2019 at 3:52pm |
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With cold oil causing the clutch to drag more, the brake has more to overcome. The tractor ain't new anymore. How many hrs are on it ??
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allispicker
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Location: Iowa
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Posted: 27 Dec 2019 at 4:11pm |
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The tach shows 500, so I’m assuming it has been replaced. The drawbar and pedals show very little wear so I don’t think it has 10.5k.
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
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Posted: 27 Dec 2019 at 4:19pm |
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none of them work nice at first startup. Need to run a little
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MACK
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Posted: 27 Dec 2019 at 9:03pm |
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Always allow a few seconds for everything to stop turning on start-up. MACK
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MACK
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Posted: 27 Dec 2019 at 9:06pm |
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You said PS and we all gave advice on PD. MACK
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SteveM C/IL
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Posted: 27 Dec 2019 at 9:20pm |
 MACK wrote:
You said PS and we all gave advice on PD. MACK |
That's why everyone should have his own services manuals....
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