TM 55-1520-240-23-6
7-102
INSTALL INTEGRATED LOWER CONTROL ACTUATOR (ILCA)
7-102
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Torque Wrench, 30 to 150 Inch-Pounds
Materials:
Lockwire (E231)
Parts:
Cotter Pins
Personnel Required:
Medium Helicopter Repairer (2)
Inspector
References:
TM 55-1520-240-23P
General Safety Instructions:
Prior to installation, inspect the ILCA
data plate to ensure suffix "V" is
added behind the S/N. If it is not, then
comply with MWO 1-1520-240-50-66
by installing new screw, new nut and
vibro etching the "V" behind the S/N.
Integrated lower control actuators are
not directly interchangeable from one
axis to another axis without changing
authority covers. Authority covers
and resultant piston strokes of links
are different. Direct interchanging of
ILCAs can result in dangerous flight
characteristics.
TABLE A
NOTE
ILCAs 145H7300-16 and -20 are interchangeable with 145H7300 series in any axis when authority cover
is removed from faulty unit and installed on replacement unit. Refer to Task 7-86.
ILCA SPARE PART NO.
AUTHORITY COVER PART NO.
NEW ILCA PART NO.
AXIS
145H7300-16
145H7357-1
145H7300-13
PITCH
145H7300-16
145H7357-2
145H7300-14
ROLL
145H7300-16
145H7357-3
145H7300-15
YAW
145H7300-20
145H7357-1
145H7300-17
PITCH
145H7300-20
145H7357-2
145H7300-18
ROLL
145H7300-20
145H7357-3
145H7300-19
YAW
7-485
