Re: grinding gears

Posted by PA Steve on October 25, 2004 at 19:40:52 from (205.188.117.13):

In Reply to: grinding gears posted by Kid with dumb question on October 25, 2004 at 19:01:30:

A little grinding is going to happen no matter what you do because the gears in a tractor like the 560 are not synchronized like the gears in a car or truck transmission. However, there are some things you can do to minimize grinding. Grinding occurs when two spur gears (like in the 560) that are being brought into mesh are running at different speeds. When shifting into gear while the tractor is at rest, the gear on the output shaft of the transmission is not moving because the tractor is not moving. The gear on the input shaft is spinning until you push the clutch pedal in, then the input gear begins to slow down. If you hold the clutch a few seconds before shifting, the input gear will have some time to slow down and grinding will be minimized.
When shifting from fourth to fifth on the road, you normally have the engine running pretty fast in fourth when you shift. If you shift to fifth gear at the same engine speed, you cause a speed mismatch between input and output gears that results in grinding. To minimize grinding, bump down on the throttle right after pushing the clutch in. Then shift to fifth, let the clutch out and open up the throttle again. This does take a little practice, but it will minimize grinding and transmission wear.
Good luck!
Steve

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