TM-9-2815-205-24 Technical Manual for M113 Engine 6V53 6V53T Download
Page 89 of 856
INSPECTION-ACCEPTANCE AND REJECTION CRITERIA - Continued Castings 1. Inspect all ferrous and nonferrous castings for cracks using a magnifying glass and a strong light. 2. Check particularly, areas adjacent to studs, pipe plugs, threaded inserts and in sharp corners and fillets for cracks using a magnifying glass and a strong light. 3. Inspect machined surfaces of castings for nicks, burrs or raised metal. 4. Mark damaged areas for repair with chalk or lumber crayon. 5. Check all mating flanges on housings and supports for warpage with a straight edge or a surface plate. 6. Check all mating flanges for discoloration which may indicate persistent leakage. 7. Inspect all pipe plug and cap screw tapped openings for damaged or stripped threads. 8. Check all castings for conformance to applicable repair specifications in (WP 0106). Ball Bearings See TM 9-214 for inspection of bearings. Check all bearings for conformance to applicable repair specifications in (WP 0106). Studs Inspect all studs for stripped or damaged threads, bent or loose condition, and evidence of stretching. Gears 1. Inspect all gears for cracks using a magnifying glass and a strong light. 2. Inspect all gear teeth for wear, sharp fins, burrs, and galled or pitted surfaces. 3. Check all gears for conformance to applicable repair specifications in (WP 0106). Bushing and Bushing Type Bearings 1. Check all bushings and bushing type bearings for secure fit in their respective casting or mating part and for evidence of heating which may be indicated by discoloration of bushing or bearing surface. 2. Inspect bushing and bushing type bearings for wear, burrs, nicks, or out-of-round condition. 3. Check for dirt in lubrication holes or grooves of bushings or bushing type bearings. 4. Holes and grooves must be clean and free from damage to ensure proper lubrication. 5. Check all bushings and bushing type bearings for conformance to applicable repair specifications in (WP 0106). Oil Seals 1. Metal encased oil seals should not be replaced unless inspection indicates damage. 2. Inspect feather edge of oil seal for damage. 3. Check seal for loss of softness and spring. TM 9-2815-205-24 0009 0009-3