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7040 torque limiter
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dewn81 View Drop Down
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Joined: 30 May 2010
Location: East Central Mo
Points: 65 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dewn81 Quote  Post ReplyReply Direct Link To This Post Topic: 7040 torque limiter
    Posted: 31 Oct 2010 at 8:32am

When the torque limiter goes out on a 7040 are u basiclly changing the clucth on these tractors or is it sumthing esle?   Thanks Nathan
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20983 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 31 Oct 2010 at 9:01am
The "Torque-Limiter" is a spring loaded pressure plate/clutch disc designed to break-away and momentarily slip under severe shock loads to protect the driveline. The clutch disc also has the torsional dampner springs in the center to also protect things. The oldest Power-Shift tractors had a regular style (multiple coil springs) pressure plate minus the three release fingers. This was because they thought they might need to release the driveline to get the tractor started in very cold temperatures. They soon found out that wasn't the case and went to the cheaper belleville spring design like all Power-Director tractors had. The "Clutch" is inside the transmission and is oil applied/oil cooled/oil lubricated, henceforth it is a "wet" clutch design for long life.
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dewn81 View Drop Down
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Joined: 30 May 2010
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Points: 65 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dewn81 Quote  Post ReplyReply Direct Link To This Post Posted: 31 Oct 2010 at 10:51am
Thanks for the info. The tractor runs but none of the hyds work. Would this be caused by a bad tourqe limiter? If so would you have to split the tractor down more then just from the tourqe tube and engine to get to the torqe limiter or would it be right there when u split it open? This tractor aslo has a Power-Director.  Thanks Nathan.
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20983 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 31 Oct 2010 at 4:40pm
Split at the back of the engine....T.L. is on the flywheel.
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dewn81 View Drop Down
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Joined: 30 May 2010
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Points: 65 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dewn81 Quote  Post ReplyReply Direct Link To This Post Posted: 31 Oct 2010 at 5:29pm
thanks for the help. Nathan
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