TM 9-2320-365-34-2Table 20-5. Crankshaft Main Bearing Journal DiametersOriginal crankshaft main bearingjournal diameter3.5425-3.5441 in.(8.997-9.002 cm)(4) Inspect six crankshaft connecting rod bearing journals (5)for cracks and evidence of overheating.CAUTIONCheck crankshaft connecting rod bearingjournals first at Top Dead Center (TDC), thenat 90 degrees away from TDC, on eachconnecting rod bearing journal. Do not usearea immediately around oil hole wherejournal surface is lower. Failure to complymay result in inaccurate readings anddamage to equipment.(5) Check dimensions of six crankshaft connecting rodbearing journals (5). Refer to Table 20-6. CrankshaftConnecting Rod Journal Diameters.Table 20-6. Crankshaft Connecting Rod JournalDiametersOriginal crankshaft connectingrod bearing journal diameter2.7551-2.7567 in. (6.997-7.002 cm)WARNINGCrankshaft weighs approximately 130 lbs(59 kgs). Attach a suitable lifting deviceprior to installation. Failure to complymay result in injury to personnel ordamage to equipment.NOTE•Step (6) requires the aid of an assistant.•Note position of tabs on main bearings incylinder block.(6) Install crankshaft (1) in cylinder block (6).(7) Position bearing gage on seven main bearings (2).(8) Position seven main bearings (2) and crankshaft mainbearing caps (3) on cylinder block (6) with 14 washers(7) and bolts (8).(9) Tighten 14 bolts (8) to 35-45 lb-ft (47-61 N·m).20-33
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