(2) Remove the protective caps from the fuel inlet and drain ports of the TBV and from the air inlet and outlet ports of the TBV.
(3) Apply graphite grease (Material No. CP2101) to the threads of the bolts (26).
(4) Align the TBV (1) on the forward bracket to make the three mounting holes align with the three mounting holes on the forward bracket.
(5) Install the bolts (30) that attach the TBV (1) to the transient bleed-valve bracket (29) on the core engine. TORQUE the bolts to between 60 and 70 lbf.in (0.67 and 0.79 m.daN).
(6) Apply graphite grease (Material No. CP2101) to the threads of the bolts (28).
(7) Install the bolts (28) that attach the TBV (1) to the transient bleed-valve bracket (29) on the core engine. TORQUE the bolts to between 60 and 70 lbf.in (0.67 and 0.79 m.daN).
(8) Install the fuel transient bleed-valve manifold.
(a) Remove the protective caps from the outlet of the fuel transient bleed valve manifold (24).
(b) Align the fuel manifold (24) with the forward face of the TBV (1).
(c) Apply graphite grease (Material No. CP2101) to the threads of the bolts (25) and (26).
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(d) Install the seal gasket (27) between the pad of the fuel manifold
(24) and the forward face of the TBV (1).
(e) Align the bracket at the 6 o'clock hole and install the bolt (25) that attaches the fuel manifold (24) to the TBV (1).
(f) Install the bolts (26) that attach the fuel manifold (24) to the TBV (1) in the remaining holes.
(g) TORQUE the bolts (25) and (26) to between 60 and 70 lbf.in (0.67 and 0.79 m.daN).
(9) Install the air transient bleed valve inlet tube.
(a) Apply graphite grease (Material No. CP2101) to the threads and friction surface of the new V retainer coupling (20).
(b) Install the new seal (21) between the inlet tube (3) and the inlet port of the TBV (1).
(c) Install and tighten the new V retainer coupling (20). TORQUE the V retainer coupling to between 60 and 70 lbf.in (0.67 and 0.79 m.daN).
(d) TORQUE the bolts (22) to between 60 and 70 lbf.in (0.67 and 0.79 m.daN). TORQUE the bolts (18) to between 60 and 70 lbf.in (0.67 and 0.79 m.daN).
(10) Install the air transient bleed valve air signal tube.
(a) Apply graphite grease (Material No. CP2101) to the threads and friction surface of the V retainer coupling (16).
(b) Install the seal (17) between the air signal tube (2) and the outlet port of the TBV (1).
(c) Install and tighten the V retainer coupling (16). TORQUE the V retainer coupling to between 60 and 70 lbf.in (0.67 and 0.79 m.daN).
(11) Install the electrical connectors as follows:
(a) Remove the caps from the electrical connectors and from the connectors on the TBV.
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(b) Connect the electrical connectors to the TBV (1). Tighten the connectors with your hand plus one-eighth of a turn.
END POST CFM SB 72-0255
Subtask 75-26-10-410-050
C. 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
Subtask 75-26-10-440-050
D. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
Subtask 75-26-10-860-051
E. On the overhead panel 20VU, push the ENG1(2) FIRE pushbutton switch.
Lower the guard on the pushbutton switch. R
Subtask 75-26-10-710-050
F. Do a test of the TBV.
(1) Do an operational test of the FADEC on the ground (with engine motoring) (Ref. TASK 73-29-00-710-040).
(2) Do a minimum idle leak check (Ref. TASK 71-00-00-710-006).
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5. Close-up
________
Subtask 75-26-10-410-051
A. Close Access
(1) Close the fan cowls (Ref. TASK 71-13-00-410-040):
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