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Piston/Sleeve Installation (cont)
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TM-5-4210-220-34 Truck Firefiighting 1000 GPM Multipurpose Model 2500L Manual
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INSPECTION - TM-5-4210-220-34_465
TM  5-4210-220-34 3-8. ENGINE - Continued 3-8.10 Crankshaft. This task covers: a. Removal b. Inspection c. Installation f. Installation TOOLS Flywheel Housing Removed (see para.  3-8.6) Shop Equipment, Automotive Oil Pump Removed (see para.  2-19.10) Maintenance and Repair, Rocker Covers Removed (see para.  2-19.3) NSN 4910-00-754-0650 Exhaust Manifolds Removed (see para.  2-19.1) J21983 Sleeve Installer Cylinder Heads Removed (see para.  2-19.8) J8092 Driver Handle Pistons and Liners Removed (see para.  3-8.9) J25002 Guide Studs MATERIALS/PARTS EQUIPMENT CONDITION 4, Appendix B Antiseize Compound Engine Removed from Truck (see para.  3-8.1) 10, Appendix B Dry Cleaning Solvent Oil Pan Removed (see para.  2-19.11) 17, Appendix B Engine Oil 51996616 Gasket Kit PERSONNEL REQUIRED - 2 WARNING Serious  injury  could  occur  if  heavy  equipment  is  moved/lifted  without  sufficient  personnel  to  do  the  job. Use proper physical lifting procedures or use a suitable lifting device or dolly.  Wear safety shoes, gloves and other suitable protective clothing. NOTE The equipment conditions above are the minimum required to remove the crankshaft in order to replace bearings  or  the  crankshaft  itself.    In  general,  if  bearings  or  crankshaft  require  replacement,  the  engine should be stripped to check the cause of bearing failure and to ensure no other components are subject to failure. REMOVAL (1)     Remove the crankshaft stabilizer bolts (1) and washers (2) that retain the stabilizers (3) to the cylinder block (17). (2)     Starting on the outermost bearing caps and working alternately front and back, loosen main bearing cap bolts (6). (3)     Lift off each bearing cap (18) and be sure they are marked with same number that is inscribed on the block adjacent to that cap position. (4)     Remove the thrust washers (4) from each side of the rear main bearing cap. (5)     Attach a suitable sling to the crankshaft (10) and lift from block (17). (6)     If not removed, pull off oil pump drive gear (8) and key (9) from crankshaft (10).  The rear oil seal (14) was removed with the flywheel housing The gear (8) and oil seal (7) were removed with the oil pump. 3-174

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