1.110A. TAIL ROTOR BALANCE AVA KIT INSTALLATION
This task covers:
Equipment Installation. Optical RPM Sensor Installation. Accelerometer Installation.
1.110A.2. Initial Setup
Aircraft mechanics tool kit (item 376, App H)
Aviation vibration analysis test set (item 354B, App H)
Blade balancing kit (item 28, App H)
Maintenance platform (item 209, App H)
30 - 200 inch-pound 1/4-inch drive click type torque
wrench (item 436, App H)
Screw, machine NAS603-10P
Attack Helicopter Repairer
Attack Helicopter Repairer/Technical
Access fairing L540 removed
1.110A.3. Equipment Installation
a. Enter CPG station (para 1.56). Observe all
b. Install Aviation Vibration Analysis equipment
(1) Remove AVA tail rotor balancing equipment
from transport case. Check for possible dam-
aged equipment and frayed cables.
(2) Place Data Acquisition Unit (DAU) on out-
board side of copilots armor plate oriented
such that the ON/OFF switch is forward with
connectors facing up and secure DAU using
canvas straps and D-rings.
(3) Attach AH-64-to-DAU cable (29304600) con-
nector (1) to signal processing unit (SPU) re-
ceptacle (2) located beneath and to the right
of copilots seat.
(4) Route AH64-to-DAU cable behind copilots
seat and around to the DAU.
GO TO NEXT PAGE
+28 VDC (TO SIGNAL