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9-115 9 MS031 4. Remove the cap screw and lock nut securing the rear arm to the slide rail. Account for the ser- rated axles and axle tube. ZJ268A NOTE: To remove the rear arm, it may be neces- ZJ269A 5. Remove the cap screw and lock nut securing the rear arm to the idler arm. Account for the alumi- num axle and bushing assemblies. MS029A CLEANING AND INSPECTING NOTE: Whenever a part is worn excessively, 1. Clean the bearings with a clean cloth. 2. Inspect each idler wheel for cracks or damage. 3. Inspect the bushings (located in the arm pivot area) for wear or damage. 4. Inspect all welds and the tubing of the rear arm/ idler arm for cracks or unusual bends. 5. Inspect the two adjusting cams for damage. 6. Rotate the idler wheel bearings (by hand) and check for binding or roughness. 7. If a bearing must be replaced, use this proce- dure. A. Remove the bearing snap ring. B. Using a suitable press, press the bearing out the inside of the wheel. C. Press the new bearing (on its outer race) into the idler wheel. ! CAUTION Do not remove the bearing unless it is absolutely |