Are you sure the pump is turning, There is a rubber coupler inside the fan basket that connects the burner moter to the pump. Some were cast ended that were compressed on to the rubber part, some had a male hex fitting cast in the end that the rubber slid over. These were held in place with allen set screws accessable thru a spot in the fan basket. Still others simply had a plastic ended coupling that slid on the moter and pump shaft and drove off the flat portion of the shafts. The last type were more prone to fail as the plastic would round out on the shaft. As to the filter inside the pump it is a very fine mesh screen and if I recall can be accessed by removing the bolts in the end of the pump and pulling the housing. Be carful on the gasket. Use a good fuel resistant sealer to put it back together. Large shaft pumps were 1750 rpm and small shaft were 3450 rpm as I recall. Unhook the fuel line to the nozzel and put it in a can. When I worked on them I had a hose I used to check flow in a can, needs to be pretty strong flow, and a gage set up for checking pressure. I set the gage up on a tee so I could check pressure with it connected to the nozzel as the burner was running to get real time pressure under normal running conditions. It should read 100 psi if I recall. It seems you could usually feel and somtimes even hear a vibration on the bad coupler deal. Not always but most of the time. And this is worth what you paid for it and is from memmory based on somthing I haven't worked on in close to 30 years. Angle Iron
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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