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Subtask 71-11-00-010-059
B. Make sure that the fan cowl doors are open (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
4. Procedure
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(Ref. Fig. 401/TASK 71-11-00-991-300, 402/TASK 71-11-00-991-301)
Subtask 71-11-00-110-051
A. Clean the Temporary Protective Yellow Coating from the Nose Lip.
NOTE : Do this procedure before you install a new or spare inlet cowl.
____
(1) Use 2 in. (50.8mm) wide max.tape (Material No. CP-2306) around the circumferences of the leading edges of the inner and outer barrel panels to prevent solvent from discoloring panels.
(2) Prior to installation of the inlet cowl, clean the temporary R protective coating off of the nose lip. Use a clean cotton cloth, R made moist with acetone (Material No. CP1039) or isopropyl alcohol R (Material No. CP1041) or stoddard solvent (Material No. CP2011) or R ardrox 552 (Material No. CP2559) or turco ind 79 (Material No. R CP2560) or mag-chem teksol (Material No. CP2566) or degreasol 99 R R (Material No. CP2584) or mag-chem skysol (Material No. CP2656) (Ref.
SPM 702112)
(3) Wipe off unwanted acetone before it dries.
(4) Make sure that all of the protective coating has been removed. If not, do again this procedure until the coating is gone.
Subtask 71-11-00-020-057
B. Remove filler plugs from the hoist points on the air intake cowl.
Subtask 71-11-00-480-055
C. Installation of the Tooling
(1) Install the universal attach pads (20) in the hoist points of the air intake cowl (25).
(2) Attach the SLING - AIR INTAKE COWL (RSE1112) (15) to the universal attach pads (20).
(3) Lift the sling until it supports the air intake cowl (25).
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Torque Sequence Chart Figure 402/TASK 71-11-00-991-301
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Subtask 71-11-00-020-058
R D. Disengagement of the Air Intake Cowl
(1) Remove the bolts (50), the washers (5) and (55), spacers (60), and the nuts (10), that attach the air intake cowl (25) to the dolly.
NOTE : Remove the top bolt and work down equally on each side when
____
you remove the bolts.
(2) Pull the air intake cowl (25) forward to disengage the index pin from the rotating ring on the dolly.
Subtask 71-11-00-420-050 R E. Installation of the Air Intake Cowl
(1) Lift the air intake cowl (25) until attach ring is aligned with engine and engage the index pin with the engine flange.
(2) Attach the air intake cowl (25) to the engine flange with the bolts (50), the washers (5) and (55), spacers (60) and the nuts (10), 36 places.
NOTE : Install the bolt thru the engine flange with the bolt head
____ facing AFT. The counter sunk side of the washer (55) must be against the bolt head.
(3) TORQUE the nut (10) to between 340 and 360 lbf.in (3.84 and 4.06 m.daN). Start with the nuts at the 9 o'clock and 3 o'clock positions, then torque the bolts in the sequence as shown on the torque sequence chart.
Subtask 71-11-00-080-053
R F. Remove the sling (15) and the universal attach pads (20) from the air intake cowl (25).
Subtask 71-11-00-420-057
R G. Installation of the Hardware
(1) Install the filler plugs in the hoist points of the air intake cowl.
(2) Remove the protective covers from the ECU, the ECU cooling duct, the swirl nozzle duct assembly, and the electrical connector.
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