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John Deere Skidsteer Forum
Injector pump problem
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<blockquote data-quote="Tazza" data-source="post: 50782" data-attributes="member: 82"><p>It may be at the point that you will need to do a compression test. No sense pulling the head to check/machine the ehad to fix the valves. As the ether is not starting it, or even trying to, it does sound like the compression is low. I was thinking it was possible the injection timing was off, but the ether wouldn't care about that.</p><p>Do you know how its all timed? gears or a belt? If its a belt, the cam shaft may be out of sync with the bottom end. Its a big MAY.</p><p>Sadly, it may soon be time to pull the engine and remove the head and check/replace the rings and get the head checked to ensure the galves are sealing correctly.\</p><p>If you have valve clearances, it may be an idea to check they are still right. If they are too small, it may be opening too early and not gining the correct compression.</p></blockquote><p></p>
[QUOTE="Tazza, post: 50782, member: 82"] It may be at the point that you will need to do a compression test. No sense pulling the head to check/machine the ehad to fix the valves. As the ether is not starting it, or even trying to, it does sound like the compression is low. I was thinking it was possible the injection timing was off, but the ether wouldn't care about that. Do you know how its all timed? gears or a belt? If its a belt, the cam shaft may be out of sync with the bottom end. Its a big MAY. Sadly, it may soon be time to pull the engine and remove the head and check/replace the rings and get the head checked to ensure the galves are sealing correctly.\ If you have valve clearances, it may be an idea to check they are still right. If they are too small, it may be opening too early and not gining the correct compression. [/QUOTE]
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Injector pump problem
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