It started out as a simple little job of replacing a couple of oil seals on my 40 year old Troy Bilt tiller. As with many "simple little jobs", fixing all the problems you find will require more additional time than you planned.
While replacing the oil seals on the tiller tine shaft I discovered a deep groove in the shaft was causing the oil seal to leak. Removing the old tine shaft I found wear on the bronze gear and replaced it along with the new tine shaft and bearings. After installing the new tine shaft, bronze gear and bearings I discovered excessive end play on the drive shaft from the engine and ordered shims to correct the end play problem.
After having the tiller engine pointed down to work on the tiller tine shaft repairs I discovered the front input shaft oil seal was leaking and needed to be replaced. This required removing the 7hp cast iron engine to replace a $4.00 seal. With the engine removed it was a good time to replace the old drive belt.
While replacing the oil seals on the tiller tine shaft I discovered a deep groove in the shaft was causing the oil seal to leak. Removing the old tine shaft I found wear on the bronze gear and replaced it along with the new tine shaft and bearings. After installing the new tine shaft, bronze gear and bearings I discovered excessive end play on the drive shaft from the engine and ordered shims to correct the end play problem.
After having the tiller engine pointed down to work on the tiller tine shaft repairs I discovered the front input shaft oil seal was leaking and needed to be replaced. This required removing the 7hp cast iron engine to replace a $4.00 seal. With the engine removed it was a good time to replace the old drive belt.
The old bronze gear and tiller tine shaft with the groove that caused the oil leak.
I also installed a new set of tiller tines and re-welded the tine cover. One good thing about an old Troy Bilt tiller is being able to get replacement parts.
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