(9) Insert the gasket (410) and hold it in place between TGB and AGB mating flanges.
(10) Lightly coat threads of 3 bolts (160) with graphite grease (Material No. CP2101) and install at 2:30, 6:30, and 10:30 o'clock positions (flanged bushings positions) with washers (140) and nuts (130) to secure AGB and TGB handtight.
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(11) Install TGB mounting pin (400) as follows:
(a) Lightly coat threads of pin with graphite grease (Material No. CP2101) and install PROTECTOR - MOUNTING PIN (856A2537G01) on to threaded end of pin.
(b) Position TGB mount link, located on fan frame, in TGB clevis mount, align holes and engage pin (400).
(c) Remove protector, install washer (390) and nut (380).
(d) TORQUE to between 710 and 800 lbf.in (8.02 and 9.04 m.daN).
R (e) Safety nut with a new cotter pin (370).
(12) Loosen the 2 lock pins of FIXTURE, SUPPORT - TGB R/I (856A2719G02) from the 4:30 and 7:30 o'clock position holes in the TGB forward flange. Loosen handknobs to lower the 2 front plates of the tool.
(13) Lightly coat threads of 2 bolts (350) with graphite grease (Material No. CP2101) and install at 4:30 and 7:30 o'clock positions with washers (340) and nuts (330) handtight.
(14) Install TGB brackets as follows:
(a) Loosen bolts (160), nuts (130) and washers (140) from 2:30 and
6:30 locations.
(b) Lightly coat threads of a bolt (190) with graphite grease (Material No. CP2101). Secure lower bracket (150) at the bottom and to the front face of TGB/AGB interface with bolts (160) and (190), washers (140) and (200) and nuts (130) and (210). Tighten by hand.
(c) Lightly coat threads of 2 bolts (190) with graphite grease (Material No. CP2101). Secure the support bracket at the left side and onto the rear face of TGB/AGB interface with bolts (190), washers (200) and nuts (210).
(d) Lightly coat threads of bolt (300) with graphite grease (Material No. CP2101). Secure forward bracket (260) on the TGB RH upper corner. TORQUE to between 100 and 110 lbf.in (1.13 and 1.24 m.daN)
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(e) Lightly coat threads of 2 bolts (190) with graphite grease (Material No. CP2101). Attach brackets (250) and (260) on the RH side of the TGB/AGB interface with bolts (190) and (160), washers
(200) and nuts (130) and (210).
(15) Install the 3 remaining bolts (190), washers (200) and nuts (210).
(16) TORQUE all bolts of TGB/AGB interface to between 250 and 280 lbf.in
(2.82 and 3.16 m.daN) Subtask 72-62-00-080-053
C. Removal of support equipment.
(1) Removal of the FIXTURE, SUPPORT - TGB R/I (856A2719G02)
(a) Remove the pin which attaches the fixture to the TGB rear mount.
(b) Lower the fixture with the hydraulic hoist platform, and remove it.
(2) Removal of the TURNBUCKLE - TGB R/I (856A2805G01)
(a) Loosen the coupling screw.
(b) Remove the screws and washers which attach the baseplate of the tool to the rear face of the AGB.
(c) Remove the pins which attach the turnbuckle yoke to the flange F of the fan case and remove the turnbuckle.
(d) Reinstall bolts and nuts removed from the flange F, bolt heads forward. TORQUE nuts to between 98 and 110 lbf.in (1.10 and 1.24 m.daN).
Subtask 72-62-00-420-057
D. Installation of the transfer gearbox module.
(1) Installation of the handcranking drive assembly:
(a) Push the handcranking drive shaft and install the handcranking drive (Ref. TASK 72-63-00-860-001).
(b) Install the handcranking drive cover (Ref. TASK 72-63-00-400-002).
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(a) Installation of brackets
1 Lightly coat the 2 bolts (360) with graphite grease (Material
_ No. CP2101) and secure bracket (60) on the rear face of TGB housing (120). TORQUE the bolts to between 100 and 110 lbf.in
(1.13 and 1.24 m.daN).
2 Lightly coat 2 bolts (290) with graphite grease (Material No.
_ CP2101). Position the bleed bias bracket (280) on the RH rear bracket (270). Attach the brackets to the TGB housing (120) with bolts (290). TORQUE the bolts to between 100 and 110 lbf.in (1.13 and 1.24 m.daN).
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