Lycoming YO-233-B2A Maintenance Manual page 167

YO-233-B2A Engine Maintenance Manual
TEO-540-A1A Engine Maintenance Manual
2 Assemble the staking sleeve of the Expanding and Staking Tool P/N 64593 over
the mandrel until the sleeve meets the boss.
3 Gently tap the top of the staking sleeve with a plastic mallet to make a slight
chamfered edge around the periphery of the tapped hole.
4 Remove the adjusting screw/stop nut on the Expanding and Staking Tool P/N
64593 and remove this tool and its expanding mandrel
5 Use needle-nose pliers to break off the tang at the notch of the newly installed
0.010 in. oversized Heli-Coil
(13) In the engine logbook, record replacement of the standard sized Heli-Coil
new oversized Heli-Coil
© 2021 Avco Corporation. All Rights Reserved
February 2021
®
insert.
®
insert for the applicable cylinder number.
®
insert with a
72-30
Page 147