ziffel

Member
Back to the 1655 gas that stopped while baling. You will recall I went to the field and found a distributor not turning. Pulled the
distributor and found 3 teeth broken from the oil pump gear. Tractor showed up this morning on one end of a chain. Drained the oil,
dropped the pan, and the pump. When I tried to turn the pump by hand it was dragging. Took it apart, reassembled and it is ok. BUT
when looking around the bottom end for collateral damage I noticed the cam gear was not at a right angle to the center line of the
oil pump gear. It seemed to have slide to the rear of the engine about 1/4". It was easy to spot when looking at the cam journals
from the bottom. I took a screw driver and pried it forward in the block. When I cranked the engine using a remote starter it
immediately traveled to the rear of the engine. That would account for the damaged gear. This engine still had the original oil
that was put in when it was overhauled last winter. Everything was out of that block.The pan was clean and the only thing I found
were the chipped teeth from the pump gear. Well at least the nuts and bolts from the sheet metal won't be rusted in place. Any
ideas????
 
Yes. These have a spring and cap that rides against the front cover to keep them in an operating position. But this one is well
beyond that and not in correct position. I wonder what keeps the cam from traveling too far rearward in the block.
 
Took the front off the engine this morning. Cam gear has slide off the cam about 1/4". The end of the cam and the hub area of the gear appear to have been ground on with a grinding wheel or maybe a bench grinder.
 

That's weird. Sounds like someone went to town trying to press/pull the gear and the button and spring can't do their job.
 

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