Posted by 550Doug on September 24, 2011 at 16:38:48 from (207.61.115.4):
Being a virgin to diesel motors, I've got a rebuilt Bosch PSB pump (what does PSB stand for??) to go in this Cockshutt 570 Diesel. The pump that's in there now is leaking and the motor doesn't have the power it should. So I've checked out the manual and it says that when the flywheel is timed to it's timing mark (26 deg btdc), then the Camshaft gear's timing mark should mesh with the timing mark on the pump gear. This certainly makes sense to me and I think this probably applies to most brands of tractors and pumps. So I reason that as I'm taking out the old pump, I'll get the flywheel timed properly first and check out how the cam and pump gears mesh up. So I've got the flywheel timed at 26 deg btdc and when I remove the pump gear cover, the pump's timing mark is 11 teeth before the mesh (25 teeth on pump gear) and the camshaft's timing mark is 5 teeth before the mesh (50 teeth on cam gear). Something doesn't jive here!! Can a diesel engine even run by apparently being so far out of time?? When I install the newly rebuilt pump, do I install its pump timing mark 5 teeth before the mesh so that it will match up with the camshaft timing mark? HELP, this has me flummuxed!!
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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