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30 Cards in this Set

  • Front
  • Back

purpose of this publication is to provide a common/ consolidated set of instructions for performing

vibration analysis on the T56 propulsion system

manual is prepared jointly by


1


2


3

Propeller Intergraded Product Team


NADEP Cherry Point NC


T56 Fleet Support Team, NADEP Jacksonville FL


Procedures to be used by Naval activities and other Department of Defense activities requiring Navair technical manuals are defined in

NAVAIR 00-25-100 and NAVAIRIST 5605.5

ADRL

Automatic Distribution Requirement List

If additional or replacement copies of this manual are required with attendant changes in the ADRL, they may be ordered by submitting a ___________________-

DD1348 requisition directly to CO, Naval Publications and Form Center, in Philadelphia

FI

FLIGHT IDLE

HSGI

HIGH SPEED GOUND IDLE

IPS

INCHES PER SECOND

LSGI

LOW SPEED GROUND IDLE

PDB

PROPELLER DYNAMIC BALANCE

RGB

REDUCTION GEAR BOX

SHP

SHAFT HORSE POWER

RGA

REDUCTION GEARBOX ASSEMBLY

ATM

AERODYNAMIC TWISTING MOMENT

CTM

CENTRIFUGAL TWISTING MOMENT

ICC

INTEGRATING CHANGE CONVERTER

MVms

MILLI-VOLS rOOT MEANS SQUARED

CAGE

COMMERCIAL AND GOVERNMENT ENTITY CODES

AR

AS REQUIRED

SM&R CODE

SOURCE, MAINTENANCE AND RECOVERABOLITY CODE

TRAINING IN VIBRATION ANALYSIS IS THE RESPONSIBILITY OF

THE SQUADRON

RECORD KEEPING E2-C / E-2D /C-2A IS EXTREMLY IMPORTANT EITHOUT IT WORK CAN NOT BE VERIFIED AND ____________ AND _____________ CAN NOT BE DONE

TRENDING AND SYSTEM HEALTH MONITORING

A ______________ HR EXTENSION IS AUTHORIZED FOR A/C OPERATING WHERE PROP DYNAMIC BALANCING IS NOT AVAILABLE, IE CONDITIONS, BALANCING EQUIPMENT NOT AVAILABLE OR IF IT HINDERS MISSION.

25 HR

A 2ND 25HR WAIVER OR THE TIE REQUIRED TO COMPLETE A TRANSIT FLIGHT WAIVER, MAY BE OBTAINED THROUGH________________--

TYCOM

AFTER PROP BALANCING IS PERFORMEND THE COMPUTER PRINT OUTS OR PROP RUN SHEET SHALL B RETAINED AND KEPT___________--

WITH APPROPPIATE LOGBOOK

AT MINIMUM MAINTAIN CURRENT AND LAST TWO PROP BALANCE RECORDS FOR EACH AIRCRAFT FOR_____________________________--

PURPOSES OF TRENDING

AN ENTRY SHALL BE MADE ON ___________________ WITH THE FOLLOWING INFORMATION


-WEIGHT IN EACH QUADRANT OR BLADE


-FINAL BALANCE VIBRATION LEVEL PHASE ANGLE


-SENSITIVITY FACTOR (SF)


-CORRECTION ANGLE OR PHASE LOG (PL)


OPNAV 4790/25A

PERFOM INITIAL PROPELLER DYNAMIC BALANCE AS SOON AS POSSIBLE BUT NO LATER THAN ______________ FLIGHT HOURS.

25

A 25 HR PROP BALANCING EXTENSION MAY BE GRANTED THROUGH O-LEVEL IF EQUIPMENT IS NOT AVAILABLE, A SECOND 25HR WAIVER OR TIME REQUIRED TO COMPLETE A TRANSIT FLIGHT WAIVER MAY B OBTAINED THROUGH______________

the TYCOM

STUDY

MAS!