TM 1-6625-724-13&P0006 000006 00-54. InstallingAccelerometersThe specific position and orientation of the accelerometers is critical to the proper operation of the AVA.An accelerometer installed upside down or on the wrong axis will cause a 180° phase measurementerror, causing adjustments to be recommended for the wrong blade or mass balance position. Consultthe appropriate work package at the back of this manual for mounting details. It is essential that theaccelerometer be in the proper position and orientation for the system to operate property. Verify theaccelerometer is attached firmly to the mounting block or bracket.5. InstallingCablesRefer to the appropriate work package for details on cable routing in specific aircraft. Work package 006000 provides detailed information on each of the cable assemblies. Cable assembly part numbers typicallyend in "XX" during discussion. These last two digits represent the fact that cables can be ordered invarious lengths, but the functionality remains the same. Table 1 lists the five input signal types and theiruses. Aircraft specific cables are listed in the aircraft work packages.Figure 2. Universal Tracking Device (UTD) Mounting
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