Hi, your 544 has a German D-239 Diesel engine. The Bosch pump has no bleed screws, just loosen one of the injector lines at the rear of the pump and start engine. Becareful not to come in contact with the high pressure Diesel fuel from the injector line. If after re-tightening the injector line, engine is still not running properly, check fuel flow from tank to fuel filters, then filters to injection pump. Some models had a steel braided fuel line between the injection pump inlet and the last fuel filter. This line can collapse inside and restrict fuel flow to pump. Another problem can be a blocked return fuel line.
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Today's Featured Article - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
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