TM 1-1520-238-23
Change 8
1-326.1
1.108A. MAIN ROTOR TRACK AND BALANCE AVA KIT INSTALLATION – continued
ACC 1 (LAT)
ACC 2 (VERT)
TACHO INPUT
UTD
+28 VDC (TO SIGNAL PROCESSOR UNIT)
CREDIT CARD MEMORY
CADU
DAU
M04-5208-1
1.108A.4. Equipment Installation
a. Enter CPG station (para 1.56). Observe all
safety precautions.
b. Install Aviation Vibration Analysis Equipment
(AVA).
(1) Remove AVA blade tracking equipment from
transport case. Check for possible damaged
equipment and frayed cables.
(2) Place Data Acquisition Unit (DAU) on out-
board side of copilot’s left armor plate ori-
ented 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 P4 (1) to signal processing unit (SPU)
receptacle J3 (2) located beneath and to the
right of copilot’s seat.
(4) Route AH-64 to DAU cable behind copilot’s
seat and around to the DAU.
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M04-5208-2
2
1
J1
J2
J3
