TM 9-6115-604-34NAVFAC P-8-633-34(12)Install hold-down clamps ST-1 267 on the liner (27), and check the liner protrusion in accordance with paragraph9-23, step e. If necessary, adjust the liner protrusion to 0.005 to 0.007 inch (0.13 to 0.18 mm) using shimsselected from Table 9-5. If the liner protrusion is satisfactory remove damps ST-1 267.(13)Check the liner (27) for out-of-round at several points in the piston travel area. A new liner shall not be out-of-round more than 0.002 inch (0.05 mm) in the packing area, nor more than 0.003 inch (0.08 mm) in the top 1 inch(25 mm) of piston travel.(14)If the liner (27) is out-of-round over the permissible limits, check the liner-to-block clearance in accordance withstep (1), above. If the liner bears against block more than when first checked in step (1), above, remove the linerand check for improper seal or packing installation.(15) If the liner protrusion and out-of-round is within specifications, remove the protective covering from the crankshaftjournals, and install the connecting rod and piston assemblies in accordance with paragraph 9-20.SECTION V. MAINTENANCE OF CRANKSHAFT9-25. GENERAL.This section covers the inspection, replacement, and rebuild of the crankshaft. Adhere to thespecifications and tolerances given in Table 1-4. Keep all parts dean during assembly; dirt and foreign material are amajor cause of crankshaft and other internal part failures.9-26. CRANKSHAFT INSPECTION . On-engine inspection of the connecting rod and main bearing journals, and thrustflange is accomplished during bearing shell replacement. Inspect the crankshaft journals and thrust flange in accordancewith paragraphs 9-21 and 9-22.9-27. CRANKSHAFT REPLACEMENT.a. Remove.(1)Remove the engine from the generator set in accordance with paragraph 2-15.(2)Install the engine in rebuild stand 3375955.(3)Remove the timing gears and housing in accordance with paragraph 9-18.(4)Remove the flywheel in accordance with paragraph 9-34.(5)Remove the flywheel housing and rear gear housing in accordance with paragraph 9-35.(6)Remove the oil pan in accordance with paragraph 9-38.(7)Remove the connecting rod and piston assemblies in accordance with paragraph 9-20.(8)Remove the main bearing side-lock capscrews (14, Figure 9-24) and lockwashers (1 5) from both sides ofthe engine.(9) Remove the main bearing capscrews (16) and washers (17).NOTEBefore removing the main bearing caps (18), check that they are match-marked to the cylinderblock. Caps must be match-marked to ensure installation in the same location as removed.(10)Using puller ST-1116 or a pry bar, remove the main bearing caps (18).(11)Remove the capscrews (24) and retainer plate (25), and remove the thrust bearings (26). Mark the thrustbearings as to front or rear location.9-71
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