(c) Engage the guide bushing of the oil supply tube (70) into the boss.
(d) Put the coupling nut (80) in position on the oil supply tube (70). Make sure you align the groove on the tube and the coupling nut.
CAUTION : BE CAREFUL TO HOLD THE COUPLING NUT IN PLACE WITH A
_______ LOCK WRENCH WHEN YOU ENGAGE THE RETAINING RING WITH COMBINATION PLIERS.
(e) Insert the retaining ring (90) in the coupling nut (80).
R NOTE : Use the tool set FIXTURE INSTALLATION AND REMOVAL to
____ install the retaining ring.
NOTE : Make sure that the retaining ring is fully inserted into
____ the coupling nut when its outer diameter base is in contact with the nut.
NOTE : Make sure that the coupling nut rotates freely after the
____ installation of the retaining ring.
(5) Install the oil tube (50) on the damping oil tube (110) as follows:
WARNING : ENGINE OIL IS TOXIC. USE PERSONAL PROTECTION EQUIPMENT. USE
_______
IN A WELL-VENTILATED AREA.
CAUTION : USE TWO WRENCHES TO LOOSEN OR TIGHTEN THE TUBE COUPLING
_______ NUTS. ONE WRENCH TO HOLD THE UNION AND ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT. THIS PREVENTS DAMAGE TO THE HARDWARE.
(a) Apply a thin layer of engine oil (Ref. 70-30-00) (Material No. CP2442) on the nipple (120) of the oil inlet cover (100) and on the threads of the oil tube (50).
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E E Aug 01/04 E E ECES ER (b) Put the oil tube (50) with its ends positioned on the nipple R (120) of the oil inlet cover (100) and oil supply tube assembly R (10).
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R (c) Connect the oil tube (50) to the nipple (120) and to the oil R supply tube assembly (10). Tighten the coupling nuts by hand.
R WARNING : ENGINE OIL IS TOXIC. USE PERSONAL PROTECTION EQUIPMENT.
_______ R USE IN A WELL-VENTILATED AREA.
R (d) Apply a thin layer of engine oil (Ref. 70-30-00) (Material No. R CP2442) on the threads of the oil tube (50).
R (e) Put a damping oil tube (110) in position.
R (f) Connect the damping oil tube (110) to the oil tube (50). Tighten R the coupling nut by hand.
R NOTE : Make sure that the oil tubes are installed without strain.
____
R (g) TORQUE the coupling nut of the damping oil tube (110) to between R 1.05 and 1.15 m.daN (92.92 and 101.76 lbf.in).
R (h) Safety the coupling nut with Safetywire 0.032 in. (0.8mm) DIA R (Ref.70-30-00) (Material No. CP8001) or Safetywire 0.032 in. R (0.8mm) DIA (Ref.70-30-00) (Material No. CP8002).
R (i) TORQUE the coupling nuts of the oil tube (50) to between 3.05 and R 3.35 m.daN (22.49 and 24.70 lbf.ft).
R (j) Safety the coupling nut with Safetywire 0.032 in. (0.8mm) DIA R (Ref.70-30-00) (Material No. CP8001) or Safetywire 0.032 in. R (0.8mm) DIA (Ref.70-30-00) (Material No. CP8002).
R (6) Connect the oil supply tube assembly (10) to the rear sump oil-supply R tube (60) as follows:
R (a) Install the rear sump oil-supply tube (60) to the oil supply tube R assembly (10) with the coupling nut (20). Tighten the coupling R nut by hand.
R NOTE : Make sure that the rear sump oil supply tube (60) is
____ R unstrained.
R (b) TORQUE the coupling nut (20) to between 3.05 and 3.35 m.daN R (22.49 and 24.70 lbf.ft).
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E E R (c) TORQUE the nut with the bolt that attaches the rear sump R oil-supply tube (60) to the turbine rear-frame outer case through R the shield and clamp to between 0.50 and 0.55 m.daN (44.24 and R 48.67 lbf.in).
R NOTE : The nut is installed on the turbine frame side.
____ R 5. Close-up
________ R Subtask 72-56-00-410-069 R A. Close Access R (1) Make sure that the work area is clean and clear of tool(s) and other
R items.
R (2) Install the flange assembly and the flame arrestor (Ref. TASK 72-56-R 00-400-001).
R (3) Install the centerbody (Ref. TASK 78-11-12-400-041).
R (4) Install the core nozzle assembly (Ref. TASK 78-11-11-400-041).
R (5) Do a check of the oil level (Ref. TASK 12-13-79-610-002).
R Subtask 72-56-00-410-070
R B. Remove the warning notice(s).
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ACCESSORY DRIVE SECTION - DESCRIPTION AND OPERATION
___________________________________________________
1. General
_______ (Ref. Fig. 001) Power for both engine and aircraft accessories is extracted thru a system of gearboxes and shafts. The inlet gearbox, which is located in the fan frame hub, takes power from the HP compressor front shaft and transmits this power to the transfer gearbox, installed under the fan frame through the radial drive shaft. A horizontal drive shaft then transmits the power to accessory gearbox. The accessory gearbox drives the following equipment :
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