TM-9-2815-205-24 Technical Manual for M113 Engine 6V53 6V53T Download
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Table 1. Repair Specifications List - Continued. (1) POINT OF MEASUREMENT (2) NEW MINIMUM INCHES (MM) (3) NEW MAXMUM INCHES (MM) (4) WEAR LIMIT INCHES (MM) Valve insert counterbore (diameter) 1.1590 (29.44) 1.1600 (29.46) * EXHAUST VALVE INSERTS Outside diameter 1.1605 (29.48) 1.1615 (29.50) * Seat width 0.0468 (1.19) 0.0781 (1.98) 0.0781 (1.98) Valve seat runout 0.0020 (0.05) 0.0020 (0.05) * EXHAUST VALVES Stem diameter 0.2480 (6.30) 0.2488 (6.32) * Valve head to cylinder head distance 0.0240 (0.61) 0.0390 (0.99) flush recess recess EXHAUST VALVE SPRINGS Load at 1.93 inches (length) 25 lb (11.34 kg) VALVE GUIDES Distance below top of head 0.1500 (3.81) 0.1800 (4.57) * Inside diameter 0.2505 (6.36) 0.2515 (6.39) * Clearance (valve stem to guide) 0.0017 (0.04) 0.0035 (0.09) 0.0050 (0.13) ROCKER ARMS AND SHAFTS Diameter (rocker shaft) 0.8735 (22.19) 0.8740 (22.20) * Diameter (injector rocker arm) 0.8750 (22.22) 0.8760 (22.25) * Diameter (valve rocker arm) 0.8753 (22.23) 0.8763 (22.26) * Clearance (shaft to injector rocker arm bushing) 0.0010 (0.03) 0.0025 (0.06) 0.0040 (0.10) TM 9-2815-205-24 0106 0106-8