INSPECT INTEGRATED LOWER CONTROL ACTUATOR (ILCA)
Dial Indicator (2), NSN 5210-00-277-8840
Off Helicopter Task
Procedure is same to inspect pitch,
roll, or yaw ILCAs.
Inspection of thrust ILCA is as noted.
If jam nuts on input valve links are
found loose, inspect the rod end ball
bearing installation to ensure that
nut retaining key and lockwire are
installed. If key and lockwire are
installed, loose nuts are acceptable.
If key and lockwire are not installed,
replace the ILCA. Do not attempt to
retorque the jam nuts.
Perform a general visual inspection for loose or
missing fasteners, mounting bolts, safety wire,
and cotter pins.
Check for cracked bolt collars (1). There shall
be no cracks.
Check for looseness of bolts and bolt collars (1).
Turn collars by hand. If collar turns, relative to
clevis assembly, or independent of bolt, replace
Check for corrosion between collar (1) and bolt
(2), collar and bearing (3) or collar and linkage
(3.1). There shall be no corrosion.