0006 00TM 1-6625-724-13&P0006 00-2CAUTIONThe Magnetic RPM Sensor must be installed in theprescribed position or an incorrect blade may beused as the reference blade. Blade color-codingmust be determined to be correct prior to startingwork on rotor.CAUTIONAlways install lockwire after tightening the jam nut.A loose jam nut could cause aircraft damage.IndexGeneral Procedures ..........................................................................................................................................................2Unpacking .........................................................................................................................................................................2Installation .........................................................................................................................................................................2Self-Test Procedure ..........................................................................................................................................................9FiguresFigure 1. AVA System Interconnect..................................................................................................................................3Figure 2. Universal Tracking Device (UTD) Mounting ......................................................................................................5TablesTable 1. Individual Input Signal Cable Types....................................................................................................................61. GENERAL PROCEDURESThis section includes unpacking instructions, installation instructions, self-test procedures, and operating procedures.2. UNPACKINGThe following is a general procedure for unpacking and installing the AVA equipment on the aircraft to be tested. Thisprocedure should be considered a guideline.The AVA equipment is contained in two carrying cases. The component case, marked AVA Basic Kit, contains theData Acquisition Unit (DAU), Control and Display Unit (CADU), and Universal Tracking Device (UTD). It also containsthe Credit Card Memory (CCM) device and room for several accelerometers and their cables.The accessory case, marked Adapter Kit, may contain the specific aircraft power cables, the UTD mounting brackets,a multi-pin connector cable, accelerometer mounting blocks, and various cables for the optical and magnetic RPMsensors. Each accessory case is aircraft specific and contains the items required for use with that aircraft.3. INSTALLATION Refer to WP0002 00 table 1 for a list of items included in the basic kit. WP0002 00 table 2 provides a list of items foreach type of aircraft. WP0002 00 table 3 is a list of available accessories. Figure 1 shows a typical AVA systeminterconnect.a. AIRCRAFT CONFIGURATION.The aircraft equipment setup configuration will vary widely depending on the type of aircraft and operationbeing performed. This paragraph describes basic installation procedures and guidelines common to allinstallations. For aircraft specific details, consult the appropriate work package.The number, type, and position of the required aircraft sensors are dependent upon the aircraft setup script.For simpler aircraft, generally two accelerometers, a Magnetic RPM Sensor, a UTD, a CADU, and a DAUmust be installed. WP0001 00 figure 1 shows a typical system setup of an aircraft installation.
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