Installation of the Accessory Gearbox Module [CFMI]

C. Installation of the Control Alternator
   (1) Install the Control Alternator as follows:
     (a) Remove the handcranking drive cover (Ref. AMM TASK 72-63-00-000-004).
     (b) Install the rotor on the alternator drive shaft.
     (c) Apply engine oil (Material No.CP2442) to the threads of the AGB drive shaft.
     (d) Install the nut (700) to attach the rotor. TORQUE nut to between 360 and 300 lbf.in (4.07 and 3.39 m.daN ) with a 3-4 inch ratchet wrench in the handcranking drive for countertorque.
     (e) Install a new AIPC 73-21-30-01-200 O-RING (610) and attach the stator (620) to the AGB housing with three bolts (680) and washers (690). TORQUE the bolts to between 70 and 55 lbf.in (0.79 and 0.62 m.daN ) .
     (f) Remove the handcranking drive nut and the handcranking drive (Ref. AMM TASK 72-63-00-860-002).
   (2) Install the N2 Speed Sensor as follows:
     (a) Install a new AIPC 77-11-20-01-020 O-RING (660) on the N2 speed sensor.
     (b) Install the N2 speed sensor.
   (3) Install the fuel pump and HMU package as follows:
     (a) Install a new AIPC 73-11-10-01-050 O-RING (760) on the drive shaft.
PRE SB CFM 72-0454
     (b) Lubricate the re-usable or new AIPC 73-11-10-01-070 SEAL RING ASSEMBLY (750) with engine oil (Material No.CP2442) and install on fixed part of QAD ring.
END PRE SB CFM 72-0454.
POST SB CFM 72-0454.
     (c) Install the seal ring assembly (750) as follows:
       1 If necessary, install a new (CNS 73-11-10-01-070) preformed packing on the support (metal ring).
       2 Lubricate the seal ring assembly (750) with engine oil (Material No.CP2442) .
       3 Install the seal ring assembly (750) on the QAD ring.
END OF SB CFM 72-0454.
     (d) Make sure that the three tabs of the seal are properly locked by the lugs of the adapter flange.
     (e) Apply a thin layer of engine oil (Material No.CP2442) to the splines of the fuel pump shaft.
       1 Engage the fuel pump in the AGB, while you align the fuel pump locating pins with the related adapter flange holes and the fuel pump shaft splines with the AGB gearshaft internal splines.
       2 Make sure that the retaining washer assembly and the ball-seat washer are installed on the QAD bolt.
   (4) Attach the package as follows:
     (a) Turn the QAD ring (730) clockwise until it is correctly installed.
     (b) TORQUE the QAD bolt (710) to between 320 and 310 lbf.in (3.62 and 3.50 m.daN ) .
     (c) Radially tap the exposed outer diameter of the QAD ring with a MALLET - RUBBER, to set the ring to its correct position.
     (d) Do steps (b) and (c) two more times.
     (e) Check the QAD ring (730) as follows:
       1 Make sure that the gap (DIM. A) between the boss of the QAD ring (730) and the flange of the QAD ring support is between 0.25 in. (6.35 mm) and 1 in. (25.40 mm).

NOTE: If necessary, use minimum tightening TORQUE to get the minimum gap (DIM. A).

       2 If the gap (DIM. A) is out of these limits, change the QAD ring (730) and install a new one. Start its installation at the last step of the previous paragraph.
     (f) Loosen and torque the QAD bolt (710) to between 230 and 190 lbf.in (2.60 and 2.15 m.daN ) . CP8001lockwire 0.032 in. (0.8 mm) dia. or CP8002lockwire 0.032 in. (0.8 mm) dia. (Ref. AMM TASK 70-22-00-911-001)
   (5) Install the Lubrication Unit as follows:
     (a) Install the new AIPC 79-21-10-01-050 O-RING (630) and the new AIPC 79-21-10-01-190 O-RING (640) on the shaft and the flange.
     (b) Install the lubrication unit on the AGB housing and attach it with a "V" clamp and a nut (650). TORQUE nut to between 80 and 70 lbf.in (0.90 and 0.79 m.daN ) .
     (c) Install the oil scavenge tube of the forward sump as follows:
       1 Install a gasket between the tube flange and the lubrication unit. Install the tube. Handtighten the four bolts.
       2 Install a gasket between the tube flange and the AGB housing. Handtighten the four bolts.
       3 TORQUE the eight bolts to between 50 and 45 lbf.in (0.57 and 0.51 m.daN ) .
     (d) Install the oil scavenge tube of the aft sump as follows:
       1 Install a gasket between the tube flange and the lubrication unit. Install the tube. Handtighten the four bolts.
       2 Install a gasket between the tube flange and the AGB housing. Handtighten the four bolts.
       3 TORQUE the eight bolts to between 50 and 45 lbf.in (0.57 and 0.51 m.daN ) .
     (e) Install the scavenge tube of the AGB as follows:
       1 Install a gasket between the tube flange and the lubrication unit. Install the tube. Handtighten the four bolts on lubrication unit.
       2 Install a gasket between the tube flange and the AGB housing. Handtighten the two bolts.
       3 Install the bracket and attach it with the two remaining bolts. Handtighten the bolts.
       4 TORQUE the eight bolts to between 50 and 45 lbf.in (0.57 and 0.51 m.daN ) .
       5 Attach the clamps installed on the AGB and the AFT sump tubes to the bracket located over the control alternator with bolt and nut. TORQUE the bolt to between 110 and 100 lbf.in (1.24 and 1.13 m.daN ) .
     (f) Install the scavenge tube of the TGB as follows:
       1 Install a gasket between the tube flange and the lubrication unit. Install the tube. Handtighten the four bolts.
       2 Install a gasket between the tube flange and the AGB housing. Handtighten the four bolts.
       3 TORQUE the eight bolts to between 50 and 45 lbf.in (0.57 and 0.51 m.daN ) .
       4 Attach the clamp to the bracket located over the control alternator using bolt and nut. TORQUE bolt to between 110 and 100 lbf.in (1.24 and 1.13 m.daN ) .
     (g) Install the oil supply tube of the TGB as follows:
       1 Connect the tube to the nipple of the lubrication unit and the AGB housing. TORQUE nuts to between 500 and 450 lbf.in (5.65 and 5.09 m.daN ) .
       2 Attach the clamp to the bracket near the lubrication unit with a bolt. TORQUE bolt to between 472.5 and 427.5 lbf.in (5.34 and 4.83 m.daN ) .
     (h) Install the rear oil supply tube as follows:
       1 Connect the tube to the nipples of the lubrication unit and the AGB housing. TORQUE nuts to between 300 and 270 lbf.in (3.39 and 3.05 m.daN ) .
       2 Attach the clamp to the bracket near the lubrication unit with a bolt. TORQUE bolt to between 50 and 45 lbf.in (0.57 and 0.51 m.daN ) .

D. Installation of the AGB
   (1) Install the AGB on the Fan Frame as follows:
     (a) Lubricate a new AIPC 72-63-00-04-010 O-RING (780) with engine oil (Material No.CP2442) . Install the new AIPC 72-63-00-04-010 O-RING (780) on the horizontal drive shaft.
     (b) Install a new AIPC 72-62-00-05-030 O-RING (790) in the groove of the oil distributor in the bevel gear:
       1 Engage the AIPC 72-62-00-05-030 O-RING (790) through the hole of the oil distributor in the bevel gear with PLIERS - NOSE, SOFT, LONG.
       2 Put the AIPC 72-62-00-05-030 O-RING (790) in the groove of the oil distributor in the bevel gear with PLIERS - NOSE, SOFT, LONG.

NOTE: Make sure that O-ring (790) is correctly installed in the groove of the oil distributor in the bevel gear.

     (c) Lift and set the AGB at the necessary level under the fan frame with a hydraulic hoist platform.

NOTE: The AGB must not touch the adjacent accessories or tubes.

     (d) Adjust jack details of the fixture to complete the positioning.
     (e) Successively install the two mounting pins (550) and (590) as follows:
       1 Apply a thin layer of graphite grease (Material No.CP2101) to the threads of the pins.
       2 Install the 856A2537 PROTECTOR-MOUNTING PIN (G01) on the external threads of the mounting pins.
       3 Turn and install the impact puller in the tapped head of the mounting pins.
       4 Set the mounting pins in place.
       5 Remove the protector.
       6 Install the washers (540) and (580) and the nuts (530) and (570). TORQUE nuts to between 940 and 850 lbf.in (10.62 and 9.61 m.daN ) .
       7 Safety the nut (530) with new AIPC 72-00-00-07-150 COTTER PIN (520).
       8 Safety the nut (570) with new AIPC 72-00-00-07-110 COTTER PIN (560).
     (f) Install and hold the AIPC 72-00-00-08-370 GASKET (510) between the TGB and AGB mating flanges.
     (g) Install the three bolts with washers and nuts at flanged bushing locations (2:30, 6:30 and 10:30 o'clock positions). Tighten with your hand.
     (h) Install the four bolts with washers and nuts at 11:30, 12:30, 4:30 and 7:30 o'clock positions. Tighten with your hand.
     (i) Remove bolt washer and nut from 6:30 o'clock location. Install the lower bracket on the front face of the AGB/TGB interface. Attach the bracket with two bolts, washers and nuts. Tighten with your hand.
     (j) Attach the support bracket installed on the left side and on the rear face of the AGB/TGB interface with two bolts and two nuts. Tighten with your hand.
     (k) Remove bolt and nut from 2:30 o'clock location. Attach the brackets installed on the right side, on the rear and on the front face of the AGB/TGB interface with three bolts and three nuts and one washer (3:30 o'clock location). Tighten with your hand.
     (l) TORQUE all nuts to between 280 and 250 lbf.in (3.16 and 2.83 m.daN ) .
   (2) Install the Handcranking Drive Cover (Ref. AMM TASK 72-63-00-400-004), but do not connect the HJ9 harness and the HJ10 harness electrical connectors and do not do the test.
   (3) Remove the AGB/TGB turnbuckle as follows:
     (a) Loosen the two lateral coupling screws.
     (b) Loosen the swivel-head screw and remove the lockpin from the rear mount of the TGB housing.
     (c) Remove the two lockpins which attach the lateral stay bars to the external fan frame flange and remove the turnbuckle.
   (4) Remove the 856A2754G02 FIXTURE, SUPPORT-AGB as follows:
     (a) Loosen the knurled nut and remove the clamp.
     (b) Use the related adjusting screw to remove the locating pin from the rear mount of the AGB. Lightly lower the hydraulic hoist platform.
     (c) Remove the two front lockpins from the AGB and lateral supports.
     (d) Remove the AGB support fixture and the hydraulic hoist platform.

F. Install the pneumatic starter (Ref. AMM TASK 80-11-10-400-001).

J. Do the final tightening of the fuel pump QAD as follows:
   (1) TORQUE the QAD bolt (710) to between 320 and 310 lbf.in (3.62 and 3.50 m.daN ) .
   (2) Make sure that the gap (DIM. A) between the boss of the QAD ring (730) and the flange of the QAD ring support is between 0.25 and 1 in. (6.35 and 25.40 mm).
   (3) Loosen the QAD bolt (710).
   (4) TORQUE the QAD bolt (710) to between 230 and 190 lbf.in (2.60 and 2.15 m.daN ) .
   (5) Safety the QAD bolt (710) with CP8001lockwire 0.032 in. (0.8 mm) dia. or CP8002lockwire 0.032 in. (0.8 mm) dia. (Ref. AMM TASK 70-22-00-911-001)