(0.64 and 0.71 m.daN).
(3) Wirelock the plugs with lockwire 0.032 in. (0.8mm) dia (Material No. CP8001) or lockwire 0.032 in. (0.8mm) dia (Material No. CP8002).
(4) If necessary, install the fuel drain tube to the fuel nozzle adjacent to the 6 o'clock borescope plug. TORQUE the coupling nuts on the fuel drain tube to between 120 and 135 lbf.in (1.35 and 1.52 m.daN) and safety with lockwire 0.032 in. (0.8mm) dia (Material No. CP8001) or lockwire 0.032 in. (0.8mm) dia (Material No. CP8002)
(5) Install the spark igniters (Ref. TASK 74-21-30-400-002).
Subtask 72-51-00-790-050
F. Do a fuel nozzle leak check.
(1) If you removed the drain tube from the fuel nozzle adjacent to the o'clock borescope plug, do a fuel nozzle leak check (Ref. TASK 73-11-40-790-002)
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________ Subtask 72-51-00-410-052
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser doors: (Ref. TASK 78-36-00-410-040). FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
(3) Remove the access platform(s). Subtask 72-51-00-440-051
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 72-51-00-410-053
C. Close Access
(1) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2) Remove the warning notice(s).
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TASK 72-51-00-290-004- 01
Borescope Inspection of High-Pressure Turbine Nozzle Assembly
1. Reason for the Job
__________________
This TASK is applicable for /P engines.
NOTE : Inspection of the high pressure turbine (HPT) nozzle assembly is
____ limited to the areas that can be seen with a rigid borescope at the 1, 3, 6, and 10 o'clock borescope ports, and at the 2 spark igniter ports. The borescope ports at the 1, 3, 6, and 10 o'clock position are located immediately in front of the fuel manifold. Special
R inspection of the HPT nozzle convex side can be accomplished, if R required, with a flexible borescope.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
856A1310 1 KIT, BORESCOPE GUIDE - HP TURBINE
856A1320 1 BORESCOPE KIT
856A1321 1 FIBERSCOPE SET
856A1322 1 BORESCOPE - LIGHT SOURCE SET
856A1323 1 MONITOR, RESOLUTION BORESCOPE
856A1351 1 GUIDE TUBE ,BORESCOPE - HPT SHROUD
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B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
Material No. CP2101 USA MIL-T-5544
graphite grease (Ref. 70-30-00)
R Material No. CP2619 *
R Never Seez-Pure Nickel, Special (Ref. 70-30-00) Material No. CP8001 * lockwire 0.032 in. (0.8mm) dia (Ref. 70-30-00) Material No. CP8002 * lockwire 0.032 in. (0.8mm) dia (Ref. 70-30-00)
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
73-11-40-790-002 Leak Check of the Fuel Nozzles
74-21-30-000-002 Removal of the Spark Igniter
74-21-30-400-002 Installation of the Spark Igniter
78-30-00-081-041 Make the Thrust Reverser Serviceable after
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