TM 9-2815-225-34&P 3-68.  ENGINE CRANKSHAFT AND MAIN BEARINGS INSTALLATION (Contd) LOCATION/ITEM ACTION REMARKS Installation (Contd) WARNING Use  extreme  caution  during  assembly;  engine  components  are  heavy.    Failure  to  comply may result in damage to equipment or injury to personnel. 3. Crankshaft (4) Install on cylinder block (1). Assistant will help lift crankshaft (4).  Use a suitable lifting device and hooks protected with a rubber hose or a lifting strap to lower crankshaft (4) on cylinder block (1). 4. New upper thrust bearing Roll into position on the No. 7 Ensure grooved thrust side of washers (5) journal of crankshaft (4). thrust bearing washers (5) are against the flange of crankshaft (4).  The upper thrust rings are not doweled to cylinder block (1).  The lower thrust bearing washers (5) are doweled to No. 7 bearing cap. 5. Seven new lower main Install on main bearing Lubricate contact surface of bearing halves (6) journals of crankshaft (4). seven lower main bearing halves (6) and main bearing journal sur- face of crankshaft (4) with OE/HDO lubricating oil prior to installation.  Make certain lower main bearing halves (6) are aligned with retaining rings (3). 6. No. 1 through No. 6 Install on cylinder block (1) over Ensure each bearing cap (8) bearing caps (8) crankshaft (4). is in its correct location and posi- tion. 7. Lower thrust bearing Install on No. 7 bearing cap (7). The grooved side of two lower washers (5) thrust bearing washers (5) must be toward flange of crankshaft (4). 8. No. 7 bearing cap (7) with Install on cylinder block (1) over thrust bearing washers (5) No. 7 main bearing journal of crankshaft (4). 9. Fourteen screws (10) and Install on bearing caps (7) and Coat threads with OE/HDO 30 new lockplates (9) (8) on cylinder block (1) lubricating oil and lockplates (9) finger-tight. with gear 60-80/140 lubricating oil.  Allow excess oil to drain off prior to installing screws (10) on cylinder block (1). 3-546