TM-9-2350-261-34 Direct and General Maintenance Manual M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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REPLACE RAMP HYDRAULIC CYLINDER ANCHOR (M1064 ONLY) — Continued MODIFY 1. Grind weld area level and smooth. 2. Locate center of first hole as shown. NOTE Drill all holes straight and at right angles to hull bottom plate. 3. Drill first hole with 7/16 inch (11 mm) diameter drill. Bottom plate is 1-1/8 inches (3 cm) thick. Do not break through. 4. Tap first hole with a 1/2-13UNC tap to a minimum thread depth of 7/8 inch (22 mm). 5. Position new anchor (1) 32 degrees from reference line as shown, with centerline of anchor and bottom centerline of ramp pulley in alignment. 6. Secure anchor (1) with one new washer (2) and one new screw (3). 7. Use new anchor (1) as template. Locate center of remaining two holes. Remove anchor. Drill and tap holes same way as first hole in Steps 3 - 4. 8. Clean surface with wire brush. 9. Paint any exposed metal surfaces. See TM 43-0139. 0054 00-3 0054 00 TM 9-2350-261-34