TM 55-1520-240-23-67-6REPLACE ROSAN ADAPTERS AND REDUCERS(Continued)7-6NOTEAdapter lockring (1) may be installedusing combination wrench and drivetool (step 30) or lockring drive tool(step 31).30.Install adapter lockring (1) while zinc chromateprimer is still wet as follows:a.Select proper combination wrench and drivetool RF98-DW from table 1.b.Rotate combination wrench and drive toolonto fitting (6) until it touches lockring (1).Turn the tool until it bottoms on port (8).Any sudden increase in torque willindicate that lockring serrations andport serrations are not aligned.c.Torque fitting (6) per table 2. If serrations(9) cannot be aligned, remove combinationwrench and drive tool. Lift lockring (1).Repeat step 29.31.Install adapter lockring (1) while zinc chromateprimer is still wet as follows:a.Select RF69-TW series wrench from table 1.b.Place wrench over fitting (6). It is properlylocated when it rests on lockring (1).c.Select lockring drive tool RF98-DK from table1. Set lockring (1). Use a hammer, arborpress, or hydraulic press.32.Check component for fluid leaks before installingon helicopter.FOLLOW-ON MAINTENANCE:NoneEND OF TASK7-51
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