TM 9-2320-365-34-220-3. CYLINDER HEAD REPAIR (CONT)(13) Insert lower pilot (10) into injector sleeve (11).(14) Install washer (12) and nut (13), loosely, at bottom sideof cylinder head (1).NOTEUse large bushing (identified by an "L" or bya coarse knurl) if it will slip into bore withhand force. If large bushing can not beinstalled as stated, select smaller bushing(identified by an "S" or a fine knurl).(15) Select a guide bushing (14) that best fits into cylinderhead injector bore (15), above the sleeve that is to beremoved.(16) Remove guide bushing (14) from cylinder head (1).(17) Install tap in injector sleeve (11).(18) Install pilot end of tap in pilot bore of lower pilot (10).(19) Lubricate injector sleeve (11) and cutting threads of tap.(20) Install bushing guide (14) over shank of tap and intocylinder head injector bore (15).(21) Tighten nut (13) on lower pilot (10).(22) Install 1/2-in. drive socket on tap.(23) Turn tap right until tap comes in contact with top surfaceof lower pilot (10).(24) Remove tap and guide bushing (14).(25) Remove any debris from newly cut threads.(26) Remove nut (13) and washer (12) from lower pilot (10).20-8
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