(3)
Hold the telescopic duct in the retracted position with MISCELLANEOUS (Material No. 19-010).
(4)
Hold the telescopic duct assembly and remove the clamp (1).
(5)
Put blanking caps on the open ends of the telescopic duct and the D-nose duct.
(6)
To remove the telescopic duct from the D-nose, do these steps:
(a)
Remove and discard the cotter pins (21). Remove the slotted nuts
(22) and the washers (23).
(b)
Remove the bolts (18) and the washers (19).
(c)
Remove the telescopic duct from the D-nose.
(7)
If you are to install a new telescopic duct, do these steps:
(a)
Release the tab washers (16).
(b)
Remove the bolts (17). Remove and discard the tabwashers (16).
(c)
Remove the half clamps (14) and (15).
(d)
Keep the half clamps (14) and (15) together so you can install them on the replacement duct.
Telescopic Duct
Figure 401/TASK 30-11-41-991-001- 12 (SHEET 1)
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Telescopic Duct
Figure 401/TASK 30-11-41-991-001- 22 (SHEET 2)
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TASK 30-11-41-400-001
Installation of the Telescopic Duct
WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING
_______
NOTICES ARE IN POSITION.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific plastic spatula
No specific safety barriers
No specific warning notices
No specific access platform 3.0 m (9 ft. 10 in.)
R No specific Torque Wrench : range 0.00 to 1.20 m.daN
R (0.00 to 9.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 08-004 USA MIL-A-25457
ADHESIVE SEALANT (Ref. 20-31-00)
Material No. 11-026 GB DEF-STAN 68-148/1
SOLVENT GENERAL PURPOSE (Ref. 20-31-00)
Material No. 16-016 C Z-12.383
EXTERNAL DECORATION PAINT (Ref. 20-31-00)
Material No. 19-003 USA AMS 3819
LINT-FREE COTTON CLOTH (Ref. 20-31-00)
Material No. 19-010 USA AMS 5687
LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA
(Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
16 tabwashers 30-11-41 01A-285
21 cotter pins 30-11-41 01A-105
D. Referenced Information
------------------REFERENCE -------------------------------DESIGNATION ------------------------------
-------------------------------------------------------------------------------
27-80-00-866-004 Extending the Slats on the Ground 27-80-00-866-005 Retracting the Slats on the Ground 30-11-41-991-001 Fig. 401
3. Job Set-up
__________
Subtask 30-11-41-941-051
A. Safety Precautions
(1) Make sure the warning notices are in these positions, before you do work on the ice protection system: - on the high-pressure ground-power connections, to tell persons not
to pressurize the pneumatic system
-in the cockpit, to tell persons not to operate the engines or the APU control switches - on the panel 50VU, to tell persons not to pressurize the bleed-air system
- on the panel 115VU, to tell persons not to operate the slat controls.
(2) Make sure that the safety barriers are in position.
Subtask 30-11-41-860-050
B. Aircraft Maintenance Configuration
(1)
Make sure that the slats are fully extended (Ref. TASK 27-80-00-866-004).
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