Cancel the Frequency Analysis
Figure 508/TASK 77-32-34-991-947
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Cancel the Frequency Analysis Figure 508A/TASK 77-32-34-991-947-A
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1. Push the NEXT PAGE mode key
2. Push the line key adjacent to the FREQUENCY ANALYSIS indication
3. Push the line key adjacent to the CANCEL LEFT (RIGHT) related to the engine for which you cancel the Frequency Analysis demand.
4. On the MCDU, push the line key adjacent to the RETURN indication until the CFDS menu page comes into view.
5. Close-up
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Subtask 77-32-34-862-068The second EVMU page comes into view
The EVMU FREQUENCY ANALYSIS menu comesinto view
A new EVMU FREQUENCY ANALYSIS page isshown and you can read REQUEST OFF FORN1 (N2)
A. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
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TASK 77-32-34-750-001
Fan Trim Balance with the EVMU (one Shot Method)
1. Reason for the Job
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You can use this procedure for consecutive fan trim balances if necessary. If consecutive fan trim balances with this method do not give significant results, do a fan trim balance with the vectorial method.
2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
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No specific warning notice
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Consumable Materials
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REFERENCE DESIGNATION
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Material No. CP2101 *
graphite grease (Ref. 70-30-00)
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 31-32-00-860-012 Procedure to Get Access to the SYSTEM REPORT/TEST/ENG Page 77-32-34-860-042 Acquire Unbalance Data During the Flight and Read
Unbalance Data 77-32-34-860-043 Unbalance Acquisition on the Ground 77-32-34-991-950 Fig. 509
3. Job Set-up
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Subtask 77-32-34-861-069
A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
Subtask 77-32-34-865-078
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU ENGINE/ENG1 AND 2/EVMU 1EV R44
Subtask 77-32-34-941-052
C. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
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