TM 9-2815-225-34&P 3-31. ENGINE CRANKSHAFT AND MAIN BEARINGS REMOVAL THIS TASK COVERS: Removal INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) All None SPECIAL TOOLS TROUBLESHOOTING REFERENCES Main bearing cap puller (15434) ST-1178 Para. 2-8 TEST EQUIPMENT EQUIPMENT CONDITION None Piston connecting rods and connecting rod bearings removed (para. 3-29). MATERIALS/PARTS Fourteen lockplates (15434) 140218 SPECIAL ENVIRONMENTAL CONDITIONS Work area clean and away from blowing dirt and PERSONNEL REQUIRED dust. Automotive repairman MOS 63H GENERAL SAFETY INSTRUCTIONS None LOCATION/ITEM ACTION REMARKS Removal CAUTION Cylinder block and main bearing caps are line bored.  Before removing bearing caps, ensure all bearing caps are marked so they can be matched with their original position and location on cylinder block during installation.  Installing the wrong cap in wrong position or location will damage engine. 1. Cylinder block (7) Place in upside down position. 2. Fourteen lockplates (1) Bend edges down where necessary. 3. Fourteen screws (8) and Remove from bearing caps (2) lockplates (1) and cylinder block (7). NOTE When  removing  a  bearing  cap,  hold  onto  the  main  bearing  so  it  does  not  drop  out  of  the bearing cap.  Identify main bearing location with bearing cap. 4. Seven bearing caps (2) Remove from cylinder block (7). Use main bearing cap puller (3), (ST-1178). 5. Seven retaining rings (6) Remove from cylinder block (7). 6. Seven main bearing Remove from bearing caps (2). Identify each for proper location. halves (4) 7. Engine crankshaft (5) Remove from cylinder block (7). Use a hoist and hooks protected with a rubber hose or a lifting strap to remove engine crankshaft (5).  Be careful not to damage sur- face of engine crankshaft (5). 3-74