000-001).
(6)
Make sure that the cockpit door is removed (Ref. TASK 52-51-11-000-001).
4. Procedure
_________ Subtask 53-16-11-420-050
A. Installation of the Mount Fitting at FR 14
(Ref. Fig. 401/TASK 53-16-11-991-001)
(1)
Install the fitting (1)
(a)
Install the bolts (22), the washers (20) and the new nut (21)
(b)
Install the bolts (24), the washers (18) and the new nut (19)
(2)
Install the plate (4)
(a) Install the bolts (11), the washers (16) and the new nut (17)
(3)
Install the web (13)
(a)
Install the bolts (12) and the new nut (15)
(b)
Install the bolts (23), the washers (10) and the new nut (9)
(4)
Install the web (7)
(a)
Install the bolts (3), the washers (5) and the new nut (6)
(b)
Install the bolts (14) and the new nut (8).
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53-16-11Page 407
5. Close-up
________
Subtask 53-16-11-410-050
A. Close Access
(1)
Install the cockpit door (Ref. TASK 52-51-11-400-001).
(2)
Install the lining panel 211HC (Ref. TASK 25-13-41-400-001).
(3)
Install the ceiling panel 221AC (Ref. TASK 25-23-42-400-001).
(4)
Install the Anti-Hijack-System Camera (Ref. TASK 23-72-51-400-001), if installed.
(5)
Close the forward passenger/crew door 831 (841) (Ref. TASK 52-10-00-410-001).
(6) Remove the access platform. Subtask 53-16-11-862-050
B. De-energize the ground service network (Ref. TASK 24-42-00-862-001).
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53-16-11Page 408
MISCELLANEOUS (EG : DRAINS) - DESCRIPTION AND OPERATION
_______________________________________________________
1. General
_______
Drains are installed in the nose forward fuselage structure of the aircraft at or near to the lowest points in an area. The drains let water and condensation drain out so that they do not cause corrosion.
2. Description
___________ (Ref. Fig. 001) Drain valves are installed in the nose forward fuselage shell. When the cabin pressurizes, the valves, preset to operate when cabin pressurization reaches 2 psi (0.1378 bar) , close to prevent loss of cabin pressure. As the cabin pressure decreases below the preset value (normally after the aircraft has landed), the valves open (under spring tension) to allow any water that has collected to drain away. You can remove the drain valves, for inspection or replacement, with an allen key from outside the aircraft. In other structural components (doors, door frames, stringers, brackets and fittings) holes are drilled at the lowest points to make sure that water and condensation drain to the drain valves.
EFF : ALL
53-19-00Page 1
Nose Forward Fuselage - Drains
Figure 001
EFF : ALL 53-19-00 Page 2
Feb 01/99
CES
MISCELLANEOUS (EG : DRAINS) - INSPECTION/CHECK
______________________________________________
R **ON A/C 001-049, 054-099, 101-149, 151-199, 201-299, 301-399, 401-499,
TASK 53-19-00-210-001
Inspection of the Cockpit Grid Collector Assy
1.
Reason for the Job
__________________
Refer to the MPD TASK: 531900-01
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific flashlight
No specific sponge
No specific access platform 3.50 m (11 ft. 6 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 19-003 USA AMS 3819
LINT-FREE COTTON CLOTH (Ref. 20-31-00)
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53-19-00Page 601
C. Referenced Information -------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------52-10-00-010-001 Opening of the Passenger/Crew Door
52-10-00-410-001 Closing of the Passenger/Crew Door 53-19-41-000-001 Removal of the Collector Grid and the Container 53-19-41-400-001 Installation of the Collector Grid and the Container
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