TM 1-6625-724-13&P
0070 00
0070 00-1
AVA APPLICATION AND PROCEDURES – AH-1S
(Script File No. AH1SS_R.CMD, AH1S_R.CMD, AH1SSM_R.CMD and AH1SM_R.CMD)
WARNING
Use extreme care when flying with UTD mounted.
UTD interferes with wire strike capabilities.
CAUTION
Never install cables where they can be damaged.
Use wire bundle ties or clamps to route cabling
along or through airframe instead of securing cables
with fairing doors, panels, or seat frames. Never
bundle tie cables to flight controls.
TASK 1 -
TEST EQUIPMENT INSTALLATION/CHECKOUT
TASK 2 -
FLAT TRACK MAIN ROTOR ON THE GROUND
TASK 3 -
BALANCE MAIN ROTOR-INITIAL
TASK 4 -
TRACK MAIN ROTOR IN FLIGHT
TASK 5 -
BALANCE TAIL ROTOR
TASK 6 -
ISOLATING IRREGULAR/UNUSUAL VIBRATIONS
PERSONNEL REQUIRED
Three People Required:
• Pilot
• Aircraft Mechanic
• Inspector/Supervisor
SUPPLIES
Lockwire MS20995NC32 (task 1)
Reflective Tape (10605000) for tail rotor balancing
and main rotor tracking/balancing at night (task 1)
Tie-Wrap (NSN 5975-00-074-2072)
Fastener, Clamp (209075178-1)
Nut, Self-locking (NSN 5310-00-807-1475)
Nut, Castellated (NSN 5310-00-871-8738)
Pin, Cotter (NSN 5315-00-234-1864)
TOOLS
Aircraft Mechanic's Toolkit, NSN 5180-00-323-4692
Aircraft Adapter Kit (29315500)
NSN 6625-01-324-9820
*Data Acquisition Unit (DAU) (29328203)
*Control and Display Unit (CADU) (29314106)
*10-ft CADU to DAU Cable (29325601)
*Universal Tracking Device (UTD) (29310700)
*25-ft UTD Cable (29325701)
AH-1S UTD Mounting Bracket (29197900)
Torque Wrench (0-150 ¼ inch drive,
700-1500 in-lbs.½ inch drive)
10-ft AH-1S Power Cable (29104700)
AH-1S Power Cable Adapter (29317100)
*Magnetic RPM Sensor (27288400)
*Magnetic RPM Sensor Cable (29105403)
Magnetic RPM Sensor Bracket (29315600)
*25-ft 54mV/g Accelerometer Cable (29105605)
*50-ft 54mV/g Accelerometer Cable (29105600)
*54mV/g Accelerometer (28110900) (2 each)
*Accelerometer Mounting Bracket (29313000) (2
each)
Striker Plate (29315700)
*Optical RPM Sensor Mounting Bracket (29198700)
*Optical RPM Sensor (29314700)
AVA Basic Kit, Rotor Track and Balance
NSN 6625-01-282-3746
*Included in AVA Basic Kit
