TM-9-2320-366-20-4 MTV Unit Maintenance Manual M1083 Series - Volume 4 Download
Page 641 of 1558
TM 9-2320-366-20-4 NOTE Over time a ridge will form on the outer edge of the brake shoes. This is normal and does not affect brake shoe serviceability. (3) Inspect rear brake shoes for OUT-OF-SERVICE and IN-SERVICE criteria as shown in Figure 11-2. Rear Brake Shoe Service Criteria. Figure 11-2. Rear Brake Shoe Service Criteria OUT-OF-SERVICE IN-SERVICE Cracks or voids that exceed 1/16 in. in width. Cracks that exceed 1-1/2 in. in length. Vertical or horizontal cracks in lining edge not exceeding 1/16 in. in width or not exceeding 1-1/2 in. in length. Portion of lining missing that exposes a fastening device. Corner segment missing with no fastening device (rivet or bolt) exposed. Cracks across the lining face that extend through the lining edges. Surface cracks in lining face that can extend from hole to hole. Pitting and material erosion on the lining face. 11-11