Figure 12. HOVER Diagnostic Flow Chart

TASK 3 TRACK AND BALANCE FWD AND AFT ROTORS (HOVER)

TM-1-6625-724-13P Aviation Vibration Analyzer Manual
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0075 00 TM 1-6625-724-13&P 0075 00-18 Figure 12. HOVER Diagnostic Flow Chart YES YES NO NO NO NO HOVER MEASUREMENTS TRACK < 3 INCHES NO GO TO GROUND MEASUREMENT YES USE EDIT ADJUSTABLES ADJUST WEIGHTS ONLY 2^nd HOVER MEASUREMENTS WITHIN LIMITS? Ground Track Flight plan performed? ADJUST PITCH LINKS & WEIGHTS (AVA Default Solution) VIBRATION <0.4 ips GO TO FLIGHT MEASUREMENT Are track readings reliable? Correct problem Adjust P/L’s to achieve track of <3 inches. (5 marks 1 inch) TRACK <3 & > 2 INCHES GO TO FLIGHT MEASUREMENT YES If a blade is climbing or diving more than 3 inches, it should be noted as suspect (possible removal required) YES YES NO NO NO NO

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