Here’s some pics of a set of Caterpillar 16M Grader Axle lean arms 2641150 & 2641153 on our Rottler CNC machine. These lean arms came in on an axle assembly that was worn to the extreme. Both lean arms were completely worn on all surfaces & bores. To get the lean arms back to spec requires extensive welding on all the machined surfaces & bores. After welding each surface & bore the lean arms have to be meticulously machined after making sure they are carefully setup to ensure they fit the axle after all the machining is completed.
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