Differential Mechanism Rigging Fixture Alternator Coupling Inspection but it also protects both

but it also protects both the connecting rod and the case from damage caused by the connecting rod contacting the case during engine service

The part number equivalents for this tool includes: TS 1222-7

The King Air Wing Bolts are all accessed from outside the plane and the cabin interior is not an issue

These Lycoming Torque 'Hold-Down' plates are offered as a direct replacement for Lycoming PN# ST-222

Differential Mechanism Rigging Fixture Alternator Coupling Inspection but it also protects bothDifferential Mechanism Rigging Fixture 35 590087 for use on Serial numbers D 2681 and after. The 35 590087 9 Stop is used with the 35 590087 assembly when rigging airplanes D 5725 and after.