-
FOR 1000EM2
overpressure valve 5HA2.
Subtask 26-21-49-020-053
B. Removal of the Engine Fire-Extinguishing Pipes
(1)
Remove the left lower bulkhead assy (view E):
(a)
Remove the nuts (28), the washers (27) and the bolts (23), (24) and (25).
(b)
Remove the left lower bulkhead assy (29).
(2)
Remove the fire-extinguishing pipe (views C and D):
(a)
Cut and discard the lockwire from the knurled nuts (3).
(b)
Loosen by hand the knurled nuts (3) from the pipes (5) and (15), and the union (1).
(c)
Remove and discard the O-rings (2).
(d)
Remove the bolts (16), the spacers (17) and the washers (18).
(e)
Remove the rubber pad (19).
(f)
Remove the fire-extinguishing pipe (4)
(3)
Remove the fire-extinguishing pipe (view B):
(a)
Remove the bolts (30) and the clamp (32) from the clamp block (31), (see view F).
(b)
Remove the 2 bolts (35) and the washers (36) from the pipe (9).
(c)
Hold the nut (8) and loosen the nut (7) on the pipe (6).
(d)
Remove the bolts (11), the washers (12) and the nuts (14).
(e)
Disengage the pipe (15) from the pipe (9) and remove the pipe (9).
(f)
Remove and discard the O-ring (13).
(4)
Put blanking plugs on the disconnected line ends.
Engine Fire Extinguishing Pipe
Figure 401/TASK 26-21-49-991-003
1EFF : ALL 1 26-21-49 Page 405
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Engine Fire Extinguishing Pipe
Figure 402/TASK 26-21-49-991-004
1EFF : ALL 1 26-21-49 Page 406
1 1 Feb 01/98
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TASK 26-21-49-400-002
Installation of the Engine Fire-Extinguishing Pipe
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific warning notice
No specific access platform 1.60 m (5 ft. 3 in.)
No specific Torque Wrench : range 96.00 to 900.00 lbf.in
(1.00 to 10.00 m.daN)
B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
No specific corrosion resistant steel lockwire 0.8 mm (0.032 in.)
Material No. 09-002 USA MIL-S-8802 TYPE I CLASS B
R FUEL TANK SEALANTPOLYSULFID(NO LONGER AVAILABLE
R (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
-------------------------------------------------------------------------------
2 O-rings 26-21-06 01D-150 13 O-ring 26-21-06 01D-150
D. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
R 26-21-00-720-003 Check Distribution Piping for Leakage and Obstruction 36-11-53-400-001 Installation of the Overpressure Valve (5HA1,5HA2) 36-11-54-400-001 Installation of the Fan Air Valve (9HA1,9HA2) 54-57-22-000-001 Removal of the Apron Assemblies 54-57-22-400-001 Installation of the Apron Assemblies 71-13-11-000-040 Removal of the Fan Cowl Doors 71-13-11-400-040 Installation of the Fan Cowl Doors 78-30-00-081-041 Make the Thrust Reverser Serviceable after Maintenance 78-30-00-481-041 Make the Thrust Reverser Unserviceable for Maintenance 78-32-11-000-040 Removal of the Left or Right Half Door of Thrust Reverser 78-32-11-400-040 Installation of the Left or Right Half Door of Thrust Reverser 26-21-49-991-003 Fig. 401 26-21-49-991-004 Fig. 402
3. Job Set-up
__________
Subtask 26-21-49-860-054
A. Aircraft Maintenance Configuration
(1)
On the center pedestal, on the ENG panel 115VU, make sure that a warning notice is in position to tell persons not to start the engine.
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