C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
70-21-00-918-002 Seals (Preformed Packings and O-rings) and Gaskets 71-00-00-710-006 Minimum Idle Check 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance
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78-36-00-010-040 Opening of the Thrust Reverser Doors 78-36-00-410-040 Closing of the Thrust Reverser Doors 73-11-70-991-300 Fig. 401
3. Job Set-up
__________
Subtask 73-11-70-860-052
A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a warning notice is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the access platform is in position.
Subtask 73-11-70-010-058
B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2) Make sure that the thrust reverser doors are open (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 73-11-70-040-055
C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
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4. Procedure
_________
(Ref. Fig. 401/TASK 73-11-70-991-300)
Subtask 73-11-70-420-053
A. Install the burner staging valve as follows:
(1) Remove the protective covers from the BSV (70) and the fuel supply manifold.
(2) Do an inspection of the gasket (20) (Ref. TASK 70-21-00-918-002).
(3) Install the gasket (20) between the BSV (70) and the fuel supply manifold.
(4) Install the BSV (70) on the fuel supply manifold.
(5) Lubricate the bolts (10), (40) with graphite grease (Material No. CP2101).
R (6) Install the bolt (10) and bolt (40) in the aft end of BSV.
R (7) Install nut (30) to bolt (10).
R
R (8) Install nut (80) to bolt (40).
R (9) Install bolt (10) and bolt (40) into the fuel support bracket.
(10) TORQUE the nuts (30), (80) to between 55 and 70 lbf.in (0.62 and 0.79 m.daN).
R (11) TORQUE bolts (10), (40) to between 55 and 70 lbf.in (0.62 and 0.79 m.daN).
R (12) Remove the protective caps from the electrical connectors.
R (13) Connect the electrical connectors, Channel A (50) and Channel B (60), to the BSV (70). Tighten the connectors by hand plus one eight of a turn.
NOTE : If necessary, use soft jawed pliers.
____
R (14) Perform a minimum idle leak check (Ref. TASK 71-00-00-710-006) and checks on CFDS if no fault is present concerning the BSV.
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________ Subtask 73-11-70-410-052
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 461AL, 462AR
(3) Remove the access platform(s). Subtask 73-11-70-440-051
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 73-11-70-410-053
C. Close Access
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
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