NLG Doors - Mismatches
Figure 603/TASK 32-22-00-991-004
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NLG Doors - Mismatches
Figure 603A/TASK 32-22-00-991-004-A
R 1EFF : 106-149, 213-299, 301-399, 401-499, 1 32-22-00Page 618 1 1 Aug 01/05 1 1 1CES 1 NOTE : A dimension M between -2 mm (-0.0787 in.) and +2 mm
____ (+0.0787 in.) is permitted on a length of 140 mm (5.5118 in.), i.e. 5 % of the sum of the transversal dimensions.
R **ON A/C 106-149, 213-299, 301-399, 401-499,
Subtask 32-22-00-220-050-B
A. Check of the NLG Doors Gaps and Mismatches
(1)
Measure the NLG doors gaps and make sure that:
-
the dimension P is between 7.00 mm (0.2755 in.) and 9.00 mm (0.3543 in.).
-
the dimension R is between 2.50 mm (0.0984 in.) and 5.50 mm (0.2165 in.).
-
the dimension T is between 4.00 mm (0.1574 in.) and 6.00 mm (0.2362 in.).
-
the dimension U is between 0 mm (0.0000 in.) and 3 mm (0.1181 in.).
-
the dimension V is between 5.50 mm (0.2165 in.) and 8.50 mm (0.3346 in.).
-
the dimension W is between 0 mm (0.0000 in.) and 3 mm (0.1181 in.).
(2)
Check of the NLG doors mismatches.
(a)
Measure the mismatche A and make sure that the dimension is between -2 mm (-0.0787 in.) and +1 mm (+0.0393 in.).
(b)
Measure the mismatche B and make sure that the dimension is between -1 mm (-0.0393 in.) and +1.4 mm (+0.0551 in.) +1.4 mm (+0.0551 in.).
(c)
Measure the longitudinal mismatches and make sure that the dimension L is between -2 mm (-0.0787 in.) and +2 mm (+0.0787 in.).
NOTE : A dimension L between -3 mm (-0.1181 in.) and +3 mm
____ (+0.1181 in.) is permitted on a length of 378 mm (14.8818 in.), i.e. 5 % of the sum of the longitudinal dimensions.
(d) Measure the transversal mismatches and make sure that the dimension M is between -2 mm (-0.0787 in.) and +2 mm (+0.0787 in.).
NOTE : A dimension M between -2 mm (-0.0787 in.) and +2 mm
____ (+0.0787 in.) is permitted on a length of 140 mm (5.5118 in.), i.e. 5 % of the sum of the transversal dimensions.
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Subtask 32-22-00-820-050
B. NLG Doors Adjustment
(1) If necessary, adjust the NLG doors (Ref. TASK 32-22-00-820-001).
5. Close-up
________
Subtask 32-22-00-867-053
A. Extend the NLG and close the NLG doors WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR.
_______
(1)
Remove the access platform(s).
(2)
Pressurize the Green hydraulic system (Ref. TASK 29-10-00-863-001).
(3)
Energize the aircraft electrical circuits
(4)
On the panel 400VU, move the landing-gear control lever 6GA to the DOWN position.
(5)
On the aircraft the NLG is down and locked and the NLG doors are closed and locked up.
(6) Make sure that the MLG uplocks are open.
Subtask 32-22-00-860-051
B. Put the aircraft back to its initial configuration.
(1) Remove the FALSE TARGET from each of the proximity sensors 20GA, 21GA, 22GA, 23GA.
R (2) Install the GROUND SAFETY LOCK (D23080000) in the NLG (Ref. TASK 32-00-00-481-001).
(3)
Put the aircraft back to the ground configuration (Ref. TASK 32-00-00-860-002).
(4)
Close the MLG doors (Ref. TASK 32-12-00-410-001).
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(5)
Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001).
(6)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
(7)
Lower the aircraft off the jack at the forward jacking point (Ref. TASK 07-11-00-586-001).
(8)
Make sure that the work area is clean and clear of tool(s) and other items.
(9)
Remove the warning notice(s).
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_______________________________________
TASK 32-22-11-000-001
Removal of the Main Door Assy
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.
_______
1. Reason for the Job
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