(15)
TORQUE the nuts (1) to 0.35 m.daN (30.97 lbf.in).
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C. Retract the NLG
(1) Retract the nose landing gear as slowly as possible (Ref. TASK 32-30-00-867-001).
Subtask 32-22-13-820-051
D. Adjustment of the NLG Aft Door Gaps
(Ref. Fig. 403A/TASK 32-22-13-991-007-A)
(1)
Measure and record the dimensions T and V.
(2)
Extend the nose landing gear (Ref. TASK 32-30-00-867-002).
(3)
Adjust the dimension T NOTE : For correct operation of the door, there must be a minimum gap
____ between the seal and the fuselage structure (dimension T) but the seal must not be compressed.
(a)
Use the measured value of dimension T to calculate the value of dimension S that gives the minimum value of the final dimension
T:
-in the limits of the tolerance of the dimension S (between 0 mm (0.0000 in.) and 2 mm (0.0787 in.)
-that does not compress the seal in the gap. The tolerance for the final dimension T is:
-
in the straight area, between 0.5 mm (0.0196 in.) and 4.5 mm (0.1771 in.)
-
in the radius area, between 2 mm (0.0787 in.) and 4.5 mm (0.1771 in.).
(b)
Loosen the screws (12).
(c)
Adjust the dimension S to the calculated value.
(d)
Tighten but do not torque the screws (12).
(e)
Loosen the screws (13), (14) and (15).
(f)
Adjust the dimension S between 0 mm (0.0000 in.) and 2 mm (0.0787 in.) to get the minimum value of T in its tolerances.
(g)
Tighten but do not torque the screws (13), (14) and (15).
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(4) Adjust the dimension V NOTE : For correct operation of the door, there must be a minimum gap
____ between the seal and the fuselage structure (dimension V) but the seal must not be compressed.
(a)
Use the measured value of dimension V to calculate the value of dimension U that gives the minimum value of the final dimension
V:
-in the limits of the tolerance of the dimension U (between 0 mm (0.0000 in.) and 2 mm (0.0787 in.)
-that does not compress the seal in the gap. The tolerance for the final dimension V is between 1 mm (0.0393 in.) and 5.5 mm (0.2165 in.).
(b)
Loosen the screws (16).
(c)
Adjust the dimension U to the calculated value.
(d) Tighten but do not torque the screws (16). Subtask 32-22-13-867-053
E. Retract the NLG
(1) Retract the nose landing gear as slowly as possible (Ref. TASK 32-30-00-867-001).
Subtask 32-22-13-220-051
F. Check of the NLG Aft Door Gaps
(Ref. Fig. 403A/TASK 32-22-13-991-007-A)
(1)
Make sure that dimension T is in the tolerances:
-
between 0.5 mm (0.0196 in.) and 4.5 mm (0.1771 in.) in the straight area
-
between 2 mm (0.0787 in.) and 4.5 mm (0.1771 in.) in the radius area.
(2)
Make sure that dimension V is in the tolerances:
-between 1 mm (0.0393 in.) and 5.5 mm (0.2165 in.)
(3)
Extend the nose landing gear (Ref. TASK 32-30-00-867-002).
(4)
If necessary adjust again dimensions T and V
(5)
TORQUE the screws (12) to 0.35 m.daN (30.97 lbf.in).
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(6) TORQUE the screws (13), (14) and (15) to 0.35 m.daN (30.97 lbf.in).
(7) TORQUE the screws (16) to 0.35 m.daN (30.97 lbf.in). **ON A/C ALL
5. Close-up
________ Subtask 32-22-13-942-056
A. Removal of Equipment
(1)
Remove the access platform(s).
(2)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Subtask 32-22-13-410-053
B. Close Access
(1) Close the nose gear doors (Ref. TASK 32-22-00-410-001). Subtask 32-22-13-942-057
C. Safety Precautions
(1) Remove the warning notice(s).
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TASK 32-22-13-010-001 Removal of the Aft Door Assy for Access WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR. 中國航空網(wǎng) www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機(jī)維護(hù)手冊 AMM LANDING GEAR 起落架4(15)
