(2) Remove the warning notice(s).
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TASK 72-54-00-290-007
Inspection of the Stage 2-4 Nozzle Segments
1. Reason for the Job
__________________
R This Task is only available for CFM56-5BX not/P engines.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
856A1320 1 BORESCOPE KIT
856A1322 1 BORESCOPE - LIGHT SOURCE SET
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2101 USA MIL-T-5544 graphite grease (Ref. 70-30-00) Material No. CP8001 * lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00) Material No. CP8002 * lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00)
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 72-00-00-200-025 Over-Serviceable-Limit Extensions 78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 78-36-00-410-040 Closing of the Thrust Reverser Doors 72-54-00-991-300 Fig. 601 72-54-00-991-301 Fig. 602 72-54-00-991-302 Fig. 603
3. Job Set-up
__________
Subtask 72-54-00-941-058
A. 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.
(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
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Subtask 72-54-00-010-070
B. Get Access
(1) Open the fan cowl doors (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
Subtask 72-54-00-040-058
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 72-54-00-010-077
D. Open the thrust reverser doors (Ref. TASK 78-36-00-010-040):
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
_________
(Ref. Fig. 601/TASK 72-54-00-991-300, 602/TASK 72-54-00-991-301, 603/TASK
72-54-00-991-302)
Subtask 72-54-00-010-071
A. Remove Borescope Plugs
(1) Let the temperature of the parts decrease to ambient temperature. R R PRE SB CFMI 72-0376 R
(2) Cut and remove the lockwires and remove the LPT borescope plugs S18, S19, S20.
NOTE : The borescope plugs S18, S19, S20 are located approximately at
____ 5:00 o'clock (ALF) on the LPT case, and from front to rear, relate to the 2nd, 3rd and 4th stages of the LPT respectively.
R END OF PRE SB CFMI 72-0376 R R POST SB CFMI 72-0376 R
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R (3) Remove the self locking borescope cap assemblies S18, S19, S20.
R R R R NOTE : The borescope cap assemblies S18, S19, S20 are located____ approximately at 5:00 o'clock (ALF) on the LPT case, and from front to rear, relate to the 2nd, 3rd and 4th stages of the LPT respectively.
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