(c) Remove the HPTACC manifold (490) as follows: CAUTION : BE CAREFUL NOT TO CUT OR DENT THE INSULATION FOIL THAT
_______ COVERS THE HPTACC MANIFOLD. ENGINE EFFICIENCY COULD BE AFFECTED.
1 Remove the bolts (550), strap clamp (560), washers (580), and
_ nuts (590) that attach the HPTACC manifold (490) to the bracket (570) at the combustion case end of the upper RH LPT cooling tube (440).
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2 Remove the bolts (540), strap clamp (530), washers (510), and
_ nuts (500) that attach the HPTACC manifold (490) to the bracket (520) at the combustion case end of the lower RH LPT cooling tube (410).
3 Remove the bolts (600) and strap clamp (610) that attach the
_ HPTACC manifold (490) to the bracket (620) between flange R and flange S.
4 Remove the bolts (790), strap clamp (780), washers (770), and
_ nuts (760) that attach the HPTACC manifold (490) to the support bracket (70) at the fuel nozzle in position 6.
5 Remove the V-clamp (740) and the seal (750) between the large
_ forward port of the HPTACC manifold (490) and the discharge port of the HPTACC valve at 3 o'clock.
6 Remove the bolts (720), nuts (690), gaskets (700) and plate
_
(710) between the forward 4-bolt pad of the HPTACC manifold
(490) and the air manifold (730) at 3 o'clock.
7 Cut and remove the lockwire from the bolts (670) that attach
_ the end of the HPTACC manifold (490) to the lower combustion case 3-bolt pad at 7 o'clock. Remove the bolts (670).
8 Remove the C-seal (680) from between the end of the HPTACC
_ manifold (490) and the lower combustion case pad.
9 Cut and remove the lockwire from the bolts (670) that attach
_ the end of the HPTACC manifold (490) to the upper combustion case 3-bolt pad at 1 o'clock. Remove the bolts (670).
10 Remove the C-seal (680) from between the end of the HPTACC
__ manifold (490) and the upper combustion case pad.
11 Remove the HPTACC manifold (490).
__
12 Install protective covers on the open ends of the HPTACC
__ manifold (490), the open pads of the combustion case and the open ports of the HPTACC valve.
(d) Remove the bolts (10) that attach the support bracket (70) to the hinge bracket and the fuel nozzle in position 6.
(e) To remove the fuel nozzle in position 6, go to step 4.B.
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(9) Remove the bracket at the fuel nozzle in position 2 as follows.
(a) Remove the bolts (10) that attach the bracket (800) to the hinge bracket and the fuel nozzle in position 2 and move the bracket
(800) away from the nozzle.
NOTE : It should not be necessary to remove the wires attached to
____
the bracket (800).
(b) To remove the fuel nozzle in position 2, go to step 4.B.
Subtask 73-11-40-020-054
B. Removal of the Fuel Nozzle: WARNING : DO NOT PERMIT THE FUEL TO TOUCH YOUR SKIN OR CLOTHES. REMOVE
_______ YOUR CLOTHES IF THE FUEL TOUCHES THEM. RINSE YOUR SKIN FULLY WITH WATER WHERE THE FUEL TOUCHED YOU. FUEL CAN BURN YOUR SKIN.
(1) Disconnect the fuel nozzle drain tube from the side of the drain shroud.
(2) Cut and remove the lockwire on the fuel nozzle drain shroud connector. Loosen the connector. If necessary, use soft-jawed pliers to loosen the connector.
(3) Move the shroud connector rearward. R CAUTION : DO NOT MOVE THE COUPLING SHROUD REARWARD TOO FAR TO GET
_______ ACCESS TO THE COUPLING NUT OF THE FUEL SUPPLY LINE. THIS R CAN PREVENT DAMAGE TO THE COUPLING SHROUD.
(a) Move the shroud connector rearward until you can get access to the coupling nut of the fuel supply line.
(4) Cut and remove the lockwire on the fuel supply tube coupling nut. Disconnect the fuel supply tube coupling nut from the fuel nozzle.
(5) Remove and discard the O-ring (140) from the shroud.
(6) Remove and discard the O-ring (150) from the fuel nozzle.
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R R R (7) Examine the fuel nozzle to make sure the conical inlet strainer (120) and the retaining ring (130) are installed. Clean, if necessary, but do not remove.
R R NOTE : The conical inlet strainer is installed only in the____ PARKER-HANNIFIN fuel nozzles.
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