Posted by Shannon Robinson on May 31, 2012 at 10:15:26 from (75.88.126.222):
I have been around tractors for 10+ yrs. and have done some maintenance, just want to make sure I get this right in my head before attempting. I have a Ford 4000 with CAV pump and the service manual. The pump leaks like asieve and I will be replacing with a new one. From what I can tell, the pump is timed internally and as long as I line it up when reinstalling a new pump, it should be fine as long as I set the timing marks to the zero. I had an international years ago that was not like this and didn"t know how to time it. So according to the book after cleaning outside, 1.) disconnect all the lines 2.) remove the cover plate from in front of the pump and then remove the 3 bolts holding the pump in place 3.) unbolt injection pump from engine front plate (I am guessing these are the screws on the opposite side where the pump is) IT says the pump drive gear will remain in the engine timing gear and cannot become out of time. So I assume I would just stick the new pump on the pump drive gear and it should be ready to go once I bolt it back on in the reverse order while lining up the "O" mark on the front plate and reattach all the lines. Any help would be greatly appreciated.
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Today's Featured Article - Oil Bath Air Filters - by Chris Pratt. Some of us grew up thinking that an air filter was a paper thing that allowed air to pass while trapping dirt particles of a particles of a certain size. What a surprise to open up your first old tractor's air filter case and find a can that appears to be filled with the scrap metal swept from around a machine shop metal lathe. To top that off, you have a cup with oil in it ("why would you want to lubricate your carburetor?"). On closer examination (and some reading in a AC D-14 service manual), I found out that this is a pretty ingenious method of cleaning the air in the tractor's intake tract.
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