|
jdemaris
09-16-2003 06:16:58
|
|
Re: JD 350 died in reply to Brian, 09-15-2003 08:45:11
|
|
| |
Does the engine still turn over? If not it sounds like they broke the torsional-isolator. That's a common problem in all the 350s up to the last 350Cs. When the 350D came out (and maybe a few late 350Cs) the design was changed. I've changed many of them. It that's the case, the engine won't turn over, or at least not very well. When I worked for a JD dealer, we had a few brand new crawlers do it. If this sounds like the problem to you, the engine has to be pulled out to fix it. There's a spring-loaded plate on the back of the flywheel that is, or was, attached to anchor posts on the flywheel by a set of spring; six I recall. These springs are supposed to absorb, or cushion the shock when the crawler is shifted back and forth from forward to reverse. All it takes is for one spring hook to break or open up and then the pieces get stuck . . . and the engine comes to a sudden halt. I usually doesn't not take a lot of parts to fix, but it has to be done right. If the springs are put on with the spring hooks facing the wrong direction, they will open up when under torque, rub, and break again. Use lots of Loctite. The 1010s and early 350s had a more reliable system. They used, basically, a spring-dampened clutch disk. If the springs broke, it would rattle and make noise, but it would not stop the machine from running. When John Deere changed to the separate spring and anchor set-up, we had lot of service calls. Then, with the 350D, Deere upgraded to a solid rubber dampener that seemed to work well. My 1960 1010 crawler still has its original clutch-disk dampener.
|
|
|
