Posted by Farmall Bob on January 14, 2011 at 09:46:28 from (76.179.113.97):
In Reply to: Transmission Question posted by Tom in Iowa City on January 14, 2011 at 06:37:29:
Hi Tom.
In reference to your question. What you are looking for is a good set of beveled gears, and to obtain that the manufacturer uses a master gear and a new cut gear and inspected on a rolling gear tester. The master gear would be red leaded and the new cut gear would be blued. This should give a good wear pattern for Involute, Tooth spacing, the Lead and composite errors. If not then the operator has to make adjustments to his gear cutting machine. When a gear is assembled into the casting and meshes with another it may be indicated for proper fit like .012-.015. Thses gears wear together and if one of them breaks down and needs replacing the proper way is to replace both. If not you may receive noise, uneven wear, excessive wear, etc. I am not saying it will not work and if it were me I probably would change just the bad gear and use Red Lead and Blueing to get as proper fit as possible. Hope this helps.
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Today's Featured Article - Tractor Profile: Ford 600 Series - by Staff. The Ford 600 Series tractors bean production in 1954, and continued until 1957. Quite similar to the Ford NAA (Golden Jubilee) in design, it used the same 132 cubic inch Red Tiger engine with 31 horsepower. Several different models were made in the 600 Series, and these numbers were used to denote whether they used a particular transmission, hydraulic system, or PTO. The result was five different model numbers: 620, 630, 640, 650 and 660. These break down as follows:
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