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Worn press fit
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Posted by Hendrik on November 16, 2004 at 05:40:31 from (194.53.253.50):
Have a question about the hydraulic pump of my 1948 Farmall Super A. The gearwheel (16 teeth) on the outside of the pump which is driven by the camshaft gear wheel, should have a press fit on the pump shaft (1/2 inch dia.). It also has a halfmoon key and is kept in place by a nut which srews on to the pump shaft. The press fit, however, is worn from running with the nut loose. The difference in diameter between shaft and bore is approx. 0.01 inch.
Any ideas on how to fix this? Any and all help appreciated. Hendrik
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