TM 5-4310-393-14WARNINGDRY CLEANING SOLVENT P-D-680 (SAFETY OR STODDARD'S SOLVENT) ISPOTENTIALLY DANGEROUS. AVOID REPEATED AND PROLONGED BREATHINGOF VAPORS AND SKIN CONTACT WITH LIQUID. DO NOT USE NEAR OPENFLAME, ARCING EQUIPMENT, OR OTHER IGNITION SOURCES. ALWAYS WEAREYE PROTECTION AND PROTECTIVE CLOTHING. THE FLASH POINT OF P-D-680IS 100 TO 138 DEGREES F (38 TO 59 DEGREES C).WARNINGDEATH OR SERIOUS INJURY COULD OCCUR IF COMPRESSED AIR IS DIRECTEDAGAINST THE SKIN. DO NOT USE COMPRESSED AIR FOR CLEANING ORDRYING UNLESS THE PRESSURE HAS BEEN REDUCED TO 30 PSI (2.06 BAR) ORLESS. WHEN WORKING WITH COMPRESSED AIR ALWAYS USE CHIP GUARDS,EYE PROTECTION, AND OTHER PERSONAL EQUIPMENT.I.Clean rod bushing (9) and connecting rod (7) bore with dry cleaning solvent and dry with compressedair. Figure 5-46. Connecting Rod m. Inspect rod bushing or scoring, overheating, or other damage. Replace ifdamaged.n.Measure outside diameter of rod bushing. Measurement should be 1.1042 to 1.1037 inches (28 048to 28.035 mm). If measurement is outside specified limits, replace rod bushing.o.Measure outside diameter of rod bushing bore. Measurement should be 1.1028 to 1.1024 inches(28.013 to 28.000 mm). If measurement is outside specified limits, replace connecting rod.NOTEClean rust preventive from replacement connecting rod. Also make sure bearingbore is thoroughly cleaned to prevent trapped contaminants from adverselyaffecting bearings.p.If required, clamp the connecting rod in a padded vise and install new rod bushing (9) into connectingrod bushing bore.B. Replace.1.Replacing/Reinstalling the Connecting Rod.CAUTIONBe certain that bearing halves are installed correctly. The bottom bearing half (8)has a hole which fits into lower connecting rod half (6).a.Carefully insert bearing halves (Figure 5-46, Item 8) into connecting rod.5-38
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