TM-9-2320-365-20-3 LMTV Unit Maintenance Manual M1078 Series - Volume 3 Download
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TM 9-2320-365-20-3 11-2. FRONT BRAKE SHOES REPLACEMENT/ADJUSTMENT (CONT) 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. • It is normal for the leading edge of the front brake shoes to wear faster than the remaining area of the lining. (3) Inspect brake shoes for OUT-OF-SERVICE and IN-SERVICE criteria as shown in Figure 11-1. Front Brake Shoe Service Criteria. Figure 11-1. Front 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, or worn to the point that a fastening device is exposed. 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. 11-4