TM-9-2815-237-34 HMMWV Engine Direct Support & General Support Maintenance Manual Download
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TM 9-2815-237-34 Section VII. REPAIR AND REPLACEMENT STANDARDS 2-44. GENERAL All parts, components or assemblies which do not meet the standards specified in para. 2-45 will be replaced with new material. Parts must be closely inspected to ensure there is no damage in areas not listed, which would make them unfit for further use. 2-45. REPAIR AND REPLACEMENT STANDARDS Tables 2-2 and 2-3 list general specifications to be utilized while repairing the engine. Table 2-2. General Repair Standards (6.2L). Cylinder Bore Diameter Out of Round Taper - Thrust Side Piston Piston Clearance – # 1,2, 3,4,5,6 Piston Clearance - #7, 8 Compression Rings Groove Clearance: Top Second Gap: Top Second Oil Ring Groove Clearance Gap Piston Pin Diameter Clearance Fit in Rod Camshaft Lift: Intake Exhaust Journal Diameter – # 1,2,3,4 Journal Diameter - # 5 Journal Clearance Crankshaft Main Journal Diameter - # 1,2,3,4 Main Journal Diameter – # 5 Taper Out of Round Main Bearing Clearance - # 1,2,3,4,5 End Play STANDARD 3.976-3.979 in. 0.0008 in. 0.0008 in. 0.0035-0.0045 in. 0.004-0.005 in. 0.003-0.007 in. 0.002-0.003 in. 0.012-0.022 in. 0.030-0.039 in. 0.002-0.004 in. 0.010-0.020 in. 1.2203-1.2206 in. 0.0003-0.0006 in. 0.0003-0.0010 in. 0.281±.002 in. 0.281±.002 in. 2.164-2.166 in. 2.007-2.009 in. 0.001-0.004 in. 2.949-2.950 in. 2.949-2.950 in. 0.0002 in. max. 0.0002 in. max. 0.002-0.004 in. 0.004-0.010 in. METRIC 100.990-101.066 mm 0.0203 mm max. 0.0203 mm max. 0.0889-0.1143 mm 0.102-0.127 mm 0.076-0.178 mm 0.051-0.076 mm 0.30-0.55 mm 0.76-1.0 mm 0.051-0.102 mm 0.25-0.51 mm 30.9956-31.0032 mm 0.0076-0.0153 mm 0.0076-0.025 mm 7.137±0.05 mm 7.137±0.05 mm 54.965-55.016 mm 50.978-51.029 mm 0.025-0.102 mm 74.905-74.930 mm 74.905-74.930 mm 0.0051 mm max. 0.0051 mm max. 0.051-0.102 mm 0.102-0.254 mm 2-190