TM 5-4320-302-146-15.CYLINDER (CONT)Location/ItemActionRemarksREPAIR5. CylinderRemove slight ridges, score marks, andCriss-crosshoningglaze with a hone equipped with 120-gritpattern producesstones. Work hone up and down rapidlyhone marks on athe full length of the cylinder bore45 degree axis,several times in a criss-cross pattern.which aids pistonmovement andhelps preventformation ofridges.CLEANINGWARNINGDry cleaning solvent is flammable and potentially dangerous to people and property. Do not use nearopen flame, sparks, excessive heat, or on hot surfaces. Flash point of P-D-680 solvent is 1000 to 138°F(38° to 590C). Use solvent in a well-ventilated area, and avoid inhaling fumes. If repeatedly exposed tofumes, seek fresh air and immediate medical help. Avoid prolonged exposure of skin to solvent. Washexposed skin immediately and thoroughly.Death or severe injury might result when compressed air is used to blow dirt from skin or clothing. Airentering body openings is extremely dangerous. Compressed air used for cleaning shall not exceed 100psi (690 kPa). Use goggles or face shield for eye protection. Do not direct airstream against skin.6.CylinderReclean each repaired cylinder with P-D-680 dry cleaning solvent and dry withcompressed air. Remove any burrs.ADJUSTMENT I7.CylinderRecheck cylinder bore and out-of-round on repaired cylinder as described in step 3.c.Replace if necessary.6-103
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