TM 9-6115-604-34NAVFAC P-8-633-34NOTETwo types of cylinder liners may be encountered: On engines manufactured before July 1980,to engine number 33103621 the liners press into the top counterbore of the cylinder block (B,Figure 9-35). On later engines, the liners press into the secondary bore of the cylinderblock(C, Figure 9-35). Accept or reject the cylinder liner in accordance to either step (4) or step (5),below, as applicable.(4)Check the outer diameter of the cylinder liner flange (B, Figure 9-35). Replace the liner if the diameter is not inaccordance with the dimensions given in Figure 9-35.(5)Check the diameter of the cylinder liner at C, Figure 9-35. Replace the liner if the diameter is not in accordancewith the dimensions given in Figure 9-35.(6)Check the liner for cracks using magnetic particle inspection in accordance with MIL-L-6868; pay particularattention to the comer area under the flange. Replace the liner if cracked.(7)Check the cylinder block liner counterbore, secondary liner bore, and lower liner bore in accordance withparagraph 9-31.(8)Clean and prepare cylinder block for liner installation in accordance with paragraph 9-31.c. Clean.CAUTIONTo avoid scratching the bore, use a fiber brush only. DO NOT use a wire brush to dean thebore.(1)Clean each new or acceptable liner with detergent and hot water. Scrub the bore thoroughly with detergentsolution and a bristle brush, and rinse with hot water.(2)Oil the bore with dean lubricating oil, and let it stand for 5 minutes.(3)Wipe the bore with dean white paper towels, and examine the towels for a gray or black deposit I a gray or blackdeposit is noted, repeat the oiling and wiping procedure until the towels remain dean after wiping.(4)Re-oil the bore, and store the liner in a dean plastic bag until ready for installation.Figure 9-35. Cylinder Liner Measurements9-68
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