(3)
Remove the screws (20) and clamps (35) that attach the tube (15) to the brackets on the nose cowl. (2 locations, See Detail B).
(4)
Remove the screws (20), nuts (25), washers (30) and clamps (35) that attach the tube (15) to the engine brackets. (2 locations, See Detail C).
(5)
Remove the screw (20), nut (25), washer (30) and clamp (35) that attach the tube (15) to the stiffener at the bottom of the nose cowl. (See Detail D).
(6)
Remove the fire extinguisher tube (15) from the engine.
(7)
Put protective covers on the hose (5), the pylon tube (10) and the fire extinguisher tube (15).
Fire Extinguisher Tube Assembly
Figure 403/TASK 26-21-49-991-005
1EFF : ALL 1 26-21-49 Page 417
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TASK 26-21-49-400-003
Installation of the Fire Extinguisher Tube Assembly
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 m (3 ft. 3 in.)
R No specific Torque Wrench : range 5.00 to 35.00 lbf.in
R (0.05 to 0.40 m.daN) No specific Torque Wrench : range 96.00 to 900.00 lbf.in
(1.00 to 10.00 m.daN)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors
71-13-00-410-040 Closing of the Fan Cowl Doors
26-21-49-991-005 Fig. 403
3. Job Set-up
__________
Subtask 26-21-49-941-057
A. Safety Precautions
(1)
On the panel 115VU:
-make sure that a warning notice is in position to tell persons not to start the engine 1(2).
(2)
Make sure that the engine shutdown occurred not less than 5 minutes before you do this procedure.
(3)
On the panel 50VU:
-
make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off
-
make sure that a warning notice is in position.
Subtask 26-21-49-010-060
B. Get Access
(1)
Make sure that the fan cowl doors are open (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2)
Make sure that the access platform is in position.
Subtask 26-21-49-865-057
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B 2WE1 Q44 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A 1WE1 Q43 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B 2WE2 Q42 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A 1WE2 Q41
4. Procedure
_________
(Ref. Fig. 403/TASK 26-21-49-991-005)
Subtask 26-21-49-420-056
A. Installation of the Fire Extinguisher Tube Assembly
(1)
Remove the protective covers from the hose (5), the pylon tube (10) and the fire extinguisher tube (15).
(2)
Put the clamps (35) on the tube (15). Attach the clamps to the brackets on the nose cowl with the screws (20), washers (30) and nuts (25). (4 locations, See Detail A).
(3)
Put the clamps (35) on the tube (15). Attach the clamps to the brackets on the nose cowl with the screws (20). (4 locations, See Detail B).
(4)
Put the clamps (35) on the tube (15). Attach the clamps to the brackets on the nose cowl with the screws (20), washers (30) and nuts (25). (2 locations, See Detail C).
(5)
Put the clamps (35) on the tube (15). Attach the clamp to the stiffener at the bottom of the nose cowl with the screw (20), washer
(30) and nut (25). (See Detail D).
(6)
TORQUE the screws (20) and nuts (25) to between 20 and 25 lbf.in
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