(30) sliding sleeve (70).
(b) Lubricate new O-ring (50) and new O-ring (80) with engine oil (Material No. CP2442) and install in the grooves on shroud tube
(10) sliding sleeve (70).
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(c) Connect the connecting nuts:
CAUTION : USE 2 WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING
_______ NUTS. ONE WRENCH TO HOLD THE UNION AND ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT. THIS WILL PREVENT DAMAGE TO THE HARDWARE.
1 Connect the connecting nut (90) of the internal tube line to
_ the nipples of the fuel gear motor. TORQUE each nut (90) to between 180 and 200 lbf.in (2.03 and 2.26 m.daN). Safety the nut (90) to the nipple with lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
(4) Install the VBV feedback sensor (Ref. TASK 75-31-70-400-002) .
Subtask 75-31-20-720-050
C. Do the following tests.
(1) Do a manual operation check of the Variable Bleed Valve doors (Ref. TASK 75-31-00-200-002)
(2) Do an operational test of the FADEC on the ground (with engine motoring) (Ref. TASK 73-29-00-710-040).
Subtask 75-31-20-420-052
D. Installation of the Port Tubes, Brackets and Clamps
R (1) Move the sliding sleeves (70) and outer nuts (60) upward. Tighten the
R 2 outer nuts (60) fully by hand. Safety the outer nuts (60) together with lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
(2) Lubricate the drain nipples of the sliding sleeves (70) with engine oil (Material No. CP2442). Connect the 2 tube branches of the U-shaped fuel drain manifold (20) to the drain nipples of sliding sleeves (70). TORQUE the drain tube coupling nuts to between 135 and 150 lbf.in (1.52 and 1.69 m.daN).
(3) Install the bracket (140) and flexible clamp (130) on the fuel gear motor (40) as follows:
(a) Lubricate the threads of bolt (120) with graphite grease (Material No. CP2101).
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(b) Install flexible clamp (130) and the two elements of bracket
(140) around the "VBV CLOSED" end of fuel gear motor (40).
(c) Put the bracket in its correct position and install bolt (120) and nut (180). TORQUE bolt (120) to between 47 and 53 lbf.in
(0.53 and 0.59 m.daN).
(d) Lubricate the threads of two bolts (150) with graphite grease (Material No. CP2101).
(e) Put the clamps (160) and (170) of electrical cables CJ11L and CJ12L in their correct position relative to bracket (140). Attach clamps (160) and (170) to bracket (140) with bolts (150). TORQUE bolts (150) to between 47 and 53 lbf.in (0.53 and 0.59 m.daN).
R (4) If necessary, TORQUE the bolt (which attaches together the 2 clamps
R on the left-hand branch (20) of the U-shaped drain manifold and on the fuel line to the VBV fuel gear motor OPEN port) to between 47 and 53 lbf.in (0.53 and 0.59 m.daN).
Subtask 75-31-20-410-056
E. Install the fan duct panels (Ref. TASK 72-23-00-400-027).
5. Close-up
________
Subtask 75-31-20-410-057
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
R 461AL, 462AR.
Subtask 75-31-20-440-053
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
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Subtask 75-31-20-410-062
C. Close Access
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2
R 447AL, 448AR.
(2) Remove the warning notice(s).
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STOP MECHANISM - ADJUSTMENT/TEST
________________________________
TASK 75-31-20-820-001
R Set the Variable Bleed Valve Assembly to the Closed position
1. Reason for the Job
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