ARMY TM 9-2815-259-24 AIR FORCE TO 38G1-125-2 MARINE CORPS 09249A/09246A-24 5-100 CAUTION If cylinder block top deck is resurfaced, also measure depth of liner counterbores.  Bore depth must be within 0.234 to 0.236 inch (5.95 to 5.99 mm). (g) Measure cylinder block top deck flatness using precision straightedge, refer to Figure 5-85.   New flatness is 0.003 inch (0.08 mm).  If flatness is not as specified, resurface engine block. FIGURE 5-85.  MEASURING CYLINDER BLOCK TOP DECK FLATNESS (4) Install plugs and piston cooling orifices in engine block. (a) Install all plugs and serial number plate in cylinder block (if removed). (b) Install piston cooling orifices; tighten to 8 lb-ft (11 Nm). c.  Reassembly. (1) Install cylinder liners without O-rings.  Measure liner height, refer to paragraph 5.4.6. (2) Install new liners with O-rings, refer to paragraph 5.4.6. (3) Install main bearings and crankshaft, refer to paragraph 5.4.4.  PLASTIGAGE bearings. (4) Install flywheel housing, refer to paragraph 4.8.3.   (5) Install rear oil seal, refer to paragraph 4.8.2 (6) Install flywheel, refer to paragraph 4.8.1. (7) Install pistons and rods, refer to paragraph 5.4.5.  Measure piston protrusion. (8) Install oil by-pass valve, refer to paragraph 5.4.10. (9) Install front plate, refer to paragraph 5.4.3. (10)   Install oil outlet tube, O-ring in block, and oil pump, refer to paragraph 4.5.4. and 5.4.9. (11)   Install injection pump, refer to paragraph 4.6.1.