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27 Cards in this Set
- Front
- Back
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The purpose of this WP is to provide detailed instruction for the installation and use of the ______________ _________________ ____________ Balancer/Analyzer equipment for purposes of balancing |
Chadwick-Helmuth 8500C+ |
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Propeller shall be balanced such that the velocity of the vibration is equal to or less than ______________ inch per second (IPS). |
0.100 |
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Secure velocimeter mounting bracket mounting bracket, P/N 8853 to the propeller reduction gearbox inner bolt hole circle at the _______ o'clock position using bolt P/N AN5-7A. |
3 o'clock |
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Torque the bolt to ________ inch lbs. |
70 |
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Ensure brackets maintain a _____________ position during bolt tightening. |
horizontal |
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Tighten velocimeter by grasping the ________ grip are ONLY! |
hex |
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Rotating the volocimeter by grasping in any other are will cause rotation of the cylindrical portion of the velocimeter relative to the hex base resulting in ___________________ of ________________. |
separation of internal wiring |
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Install velocimeter t installed bracket and tighten to _________ inch lbs maximum. |
35 inch lbs |
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Attach cable , P/N 11210-100, to velocimeter. ________ ___________ only QA. |
hand tighten |
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A piece of ________ _________ should be wrapped around the cable everywhere it is attached with a ty-wrap or anywhere a cable comes in contact with any part of the aircraft that could cause damage/ chafing to the cable. |
electrical tape |
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Attach cable to the _______ o'clock propeller after body support bracket with a ty-wrap. |
4 o 'clock |
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Leave a ______ inch loose radius between the velocimeter electrical connector and the first spot tie to allow for engine movement. |
6 inch |
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The 8500C+ Balancer/Analyzer and the 8520C-36 Signal Selector must be connected to ____________ VDC only. |
28 |
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Holding the START key down for ________ seconds while applying power will clear the analyzer memory. |
5-6 |
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Ensure at least one _________ _________ _____________ is positioned to monitor for safety violations and to take necessary corrective actions. |
ground safety observer |
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balancing should not be attempted with winds in excess of ________ knots steady or gusts above _________ knots. |
winds in excess of 20 knots or gusts above 15 knots |
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DO NOT ATTEMPT TO PERFOM DYNAMIC BALANCE IN _________________ CONSITIONS. |
TAILWIND |
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Run engines in pair first perfume Low to High Power balance in engines ________ and _________. |
one and four |
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Start engines _____ and __________ then shut down one and four and perfom low to high power balance procedures. |
two and three |
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Propellers shall be balanced such that the velocity of vibrations is equal to or less than _______________ inches per second. |
0.100 |
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If the display shows that the move line exceeds _____________ inches per pound, continue to balance propeller, |
0.4 |
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If aircraft can't be balanced within ___________ runs, refer to troubleshooting procedures in WP 01200. |
three |
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DO NOT REMOVE COUNTER BALANCE WEIGHT ON _______________ ___________. |
MOUNTING BULKHEAD |
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Position propeller such that the quadrant requiring weight addition is located at _____ o'clock position. |
6 |
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The max weight that can be put on each quadrant is ____________ grams. |
550 |
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If washers are used, divide washers evenly between bolts and do not stack more than _______ washers on a bolt. |
5 |
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After balancing is complete, if synchrophaser was removed, a _____________ _________________ _____________________ check must be performed IAW instructions in NAVAIR 01-75PAA-2-4 upon reinstallation. |
fuel governing pitchlock check |
