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(29) Install and tighten the bolts (210) with your hand to assemble the lower air start tube (100) to the 9th stage outlet port of the RACSB valve (60).
(30) TORQUE the bolts (210) to between 55 and 70 lbf.in (0.62 and 0.79 m.daN).
(31) Inspect the e-seal (550) (Ref. TASK 70-21-00-918-002).
(32) Position a serviceable e-seal (550) at the combustion case air boss at 9:15 o'clock.
(33) Position the new metal gasket (150) between the 9th stage inlet port of the RACSB valve (60) and the upper air start tube (80) and position the spacer (140) on the upper air start tube (80).
(34) Lubricate the threads of the bolts (130, 560, 640) with graphite grease (Material No. CP2101).
(35) Install and tighten the bolts (560) with your hand to assemble the upper air start tube (80) to the combustion case.
(36) Install and tighten the bolts (130) with your hand to assemble the upper air start tube (80) to the 9th stage inlet port of the RACSB valve (60).
(37) Install and tighten with your hand the bolts (640), nuts (670) and washers (660) that attach the retaining strap (630) and the upper air start tube (80) to the bracket (650).
(38) TORQUE the bolts (560) to between 55 and 70 lbf.in (0.62 and 0.79 m.daN).
(39) Safety the bolts (560) with lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
(40) TORQUE the bolts (130) to between 55 and 70 lbf.in (0.62 and 0.79 m.daN).
(41) TORQUE the bolts (640) to between 55 and 70 lbf.in (0.62 and 0.79 m.daN).
R (42) Position the RACSB air tube (70) between the 5th stage air inlet port R of the RACSB valve (60) and the coupling nut of the upper tube.
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(43) Position the new metal gasket (260) between the 5th stage inlet port of the RACSB valve (60) and the RACSB air tube (70) and position the spacer (290) on the RACSB air tube (70).
(44) Position the attachment points of the bracket assembly (300) above the RACSB air tube (70) and the spacer (290).
(45) Lubricate the threads of the bolts (270, 280, 570) with graphite grease (Material No. CP2101).
(46) Install and tighten the two bolts (270) in the two forward bolt holes of the 5th stage inlet port of the RACSB valve (60) with your hand to assemble the RACSB air tube (70) to the RACSB valve (60).
(47) Install and tighten the two bolts (280) in the two aft bolt holes of the 5th stage inlet port of the RACSB valve (60) with your hand.
(48) Install and tighten the bolt (570) and nut (610) with your hand, with the nut on the outboard side of the bracket (580), to assemble the loop clamp (620) and the RACSB air tube (70) to the bracket (580).
(49) Attach the RACSB air tube (70) to the upper tube at the coupling nut.
(50) TORQUE the tube coupling nut to between 250 and 260 lbf.in (2.82 and
2.93 m.daN) WRENCH SET, SPANNER - AIRTUBE NUTS (856A1612).
(51) Safety the tube coupling nut with lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
(52) TORQUE the bolts (270, 280) to between 55 and 70 lbf.in (0.62 and
0.79 m.daN).
(53) TORQUE the bolt (570) to between 55 and 70 lbf.in (0.62 and 0.79 m.daN).
(54) Remove the blanking plugs from the drain cap fitting and both ends of the fuel drain tube (90) and from the drain tube (190).
(55) Install the fuel drain tube (90) as follows:
CAUTION : USE 2 WRENCHES TO TORQUE THE COUPLING NUT TO THE NIPPLE ON
_______ THE DRAIN PORT. USE ONE WRENCH TO HOLD THE NIPPLE AND THE OTHER TO TIGHTEN THE COUPLING NUT. THIS WILL PREVENT DAMAGE TO THE COUPLING NUT AND NIPPLE.
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(a) Attach the fuel drain tube (90) to the drain tube (190) and to the drain port nipple of the RACSB valve (60) with your hand.
(b) TORQUE the two coupling nuts to between 140 and 150 lbf.in (1.58 and 1.69 m.daN).
(c) Install the drain cap (180) on the fuel drain tube (90) with your hand.
(d) TORQUE the drain cap (180) to between 140 and 150 lbf.in (1.58 and 1.69 m.daN).
(56) Remove the blanking caps from the electrical connectors of the leads for Channel A (450) and Channel B (460).
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