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Tractor Troubles

698T Engine Trouble Part 2

After replacing the broken balancer unit, the engine ran without any strange noises, but there was a bad oil leak from the front of the timing case. At first I thouhgt it was a bad seal with the gastket on the sump, so I dropped the sump again, checked the gasket and applied a fresh film of oil.

Hole in timming case, taken with smart phone endoscope.

After putting sump back up the oil leak was worse and was visibly spitting from the engine! On closer inspection there was a hole in the timming case cover. You can see a gear from the balancer unit through the hole.

This fell out when I removed the sump, it looks like some sort of chemical metal type filler. It would seem that I opened an old wound and the previous owner had similar issue with the tractor but made a bodged repair, altough it has lasted over 20 years.

To Be Continued…..

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