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Farmall & IHC Tractors Discussion Forum
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Hard to shift 340 and 560

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steve markus

03-22-2007 19:50:15




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Both tractors are hard to shift under a load.Adjustments are ok and clutches don,t slip.Going on level ground ok, up hill hard to shift trans.I think either clutch or TA sprag.Any similar issues?




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Owen Aaland

03-23-2007 12:32:53




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 Re: Hard to shift 340 and 560 in reply to steve markus, 03-22-2007 19:50:15  
If the adjustments are correct there thay be provlems with the TA clutch not fully releasing. Remove the stamped steel inspection cover on top of the clutch housing, held on with four bolts. Try wiggling the TA flywheel on the TA assembly. It shoyld not be loose. Pull the TA lever back to release the clutch. With the transmission in neutral, the TA flywheel and pressure plate assembly should turn freely to the left with no dragging of the TA clutch disc. Turning to the right should lock the one way clutch assembly.

Dragging of the TA clutch can be caused by wear in the pressure plate assembly. Make sure all three levers are adjusted equally. Before putting the cover back on, make sure the TA lever adjustment is such that the release bearing is not touching the release levers. If the levers are worn you may have to fudge this clearance a little. Just make sure there is no load on the bearing in the released position. Next make sure the main clutch is adjusted for one inch freeplay at the platform. Install the spring on the TA clutch shaft to hold the release bearing forward. Adjust the connecting link between the main clutch and the TA clutch shaft as short as possible and still get the pins in without moving either shaft. When you are done, it is adjusted correctly when starting to move either the main clutch pedal or the TA lever causes the TA clutch shaft to move.

If you still have problems releasing the TA clutch there are problems with either the TA disc or pressrue plate.

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steve markus

03-23-2007 08:20:19




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 Re: Hard to shift 340 and 560 in reply to steve markus, 03-22-2007 19:50:15  
Adjustments are by the book and it makes no difference if TA is shifted. Have tried zero freeplay to make sure clutch is being bottomed out.These tractors have different owners.



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Fluggie in Ia

03-23-2007 07:12:25




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 Re: Hard to shift 340 and 560 in reply to steve markus, 03-22-2007 19:50:15  
Had that problem with my 504 and found the TA was out of adjustment after I adjusted the clutch tension for a tractor pull. Had to start all over with both adjustments to get it to shift smooth again. Good luck!



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a_lead

03-23-2007 03:36:07




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 Re: Hard to shift 340 and 560 in reply to steve markus, 03-22-2007 19:50:15  
Along with proper adjustment, be sure that you are pushing the pedal in all of the way. If properly adjusted, when pedal is pushed in all of the way, it should drift (free wheel) if you are on an incline.

When you let the pedal out about 1", the drift should stop and the clutch should hold the movement of the tractor without any pressure on the brake pedals.

Edward



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Hugh MacKay

03-23-2007 02:08:20




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 Re: Hard to shift 340 and 560 in reply to steve markus, 03-22-2007 19:50:15  
Steve: Adjustments being just OK are not good enough, they must be letter perfect on these TA equiped tractors. Get the manual out, and do it by the book.



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K.B.-826

03-22-2007 22:08:35




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 Re: Hard to shift 340 and 560 in reply to steve markus, 03-22-2007 19:50:15  
I agree with George, your TA clutch is not releasing when the clutch pedal is depressed. The TA sprauge will engage as the tractor tries to roll backward, creating the "wind-up effect" of being in TA and direct drive at the same time. This binds everything up and makes it hard to get out of gear. To confirm this, next time you can't get out of gear, pull the TA lever back. If the tractor then rolls backwards and shifts out of gear easy, you need to take a closer look at your clutch pedal and TA adjustments, they are critical and must be made exactly to the manual.

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georgeky

03-22-2007 20:40:39




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 Re: Hard to shift 340 and 560 in reply to steve markus, 03-22-2007 19:50:15  
Check those clutch to TA adjustments again that is more than likely the trouble. They have to be right.



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Gary in Mozarks

03-22-2007 21:35:16




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 Re: Hard to shift 340 and 560 in reply to georgeky, 03-22-2007 20:40:39  
I have the same problem with my 460, Will it go in gear if you move the TA? Sounds like TA adjustment



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steve markuis

03-23-2007 08:22:49




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 Re: Hard to shift 340 and 560 in reply to Gary in Mozarks , 03-22-2007 21:35:16  
no it won,t shift



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