R 1EFF : 061-061, 1 30-21-49Page 421 1 1 May 01/05 1 1 1CES 1

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).

 1EFF : ALL 1 30-21-49Page 423 1 1 May 01/05R 1 1 1CES 1

 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).
 1EFF : ALL 1 30-21-49Page 425 1 1 May 01/05R 1 1 1CES 1

 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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