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R R (13) TORQUE the hose (40) coupling nut to between 135 and 150 lbf.in (1.52 and 1.69 m.daN).
R R R NOTE : Use a second wrench to hold the fitting on the tube (30) and____ the union on the anti-ice valve when you torque the hose (40) coupling nuts.
R **ON A/C ALL
5. Close-up________
Subtask 30-21-49-410-053
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser cowl doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 452AR 451AL FOR 1000EM2 462AR 461AL
Subtask 30-21-49-440-051
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
Subtask 30-21-49-410-057
C. Close Access
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 438AR 437AL FOR 1000EM2 448AR 447AL
(2) Remove the access platform(s).
(3) Remove the warning notice(s).
Subtask 30-21-49-865-054
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1DN1, 1DN2
Subtask 30-21-49-862-055
E. De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
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TASK 30-21-49-000-044
Removal of the Forward Anti-ice Duct
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking plugs No specific circuit breaker(s) safety clip(s) No specific protective covers No specific warning notice No specific access platform 0.5 m (1 ft. 8 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External
Power 71-13-00-010-040 Opening of the Fan Cowl Doors 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 30-21-49-991-301 Fig. 402
3. Job Set-up
__________
Subtask 30-21-49-861-056
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
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Subtask 30-21-49-941-053
B. Safety Precautions
(1)
On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3)
On the overhead maintenance panel 50VU:
(a)
Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b)
Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 30-21-49-865-055
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU ANTI ICE/ENG/2 1DN2 W10 122VU ANTI ICE/ENG/1 1DN1 X10
Subtask 30-21-49-010-054
D. Get Access
(1) Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
438AR 437AL
FOR 1000EM2
448AR 447AL
(2) Put the access platform in position. Subtask 30-21-49-040-053
E. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
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Subtask 30-21-49-010-058
F. Open the thrust reverser cowl doors (Ref. TASK 78-36-00-010-040):
FOR 1000EM1
452AR 451AL
FOR 1000EM2
462AR 461AL
4. Procedure
_________
(Ref. Fig. 402/TASK 30-21-49-991-301) Subtask 30-21-49-020-051
A. Removal of the Forward Anti-ice Duct
(1)
Remove the forward muscle pressure tube (20) from the forward anti-ice duct (65).
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