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R  m.daN). 
R  (9) TORQUE the nut on the coupling (20) as follows: 
R  (a) TORQUE the coupling nut to between 70 and 85 lbf.in (0.79 and 
R  0.96 m.daN). 
R  (b) Lightly hit the perimeter of the coupling in several places. Use 
R  a fiber hammer, not a metal hammer. 
R  (c) Do steps (a) and (b) above two more times. Then do step (1) 
R  again.

 

R **ON A/C ALL
 5. Close-up
________
 Subtask 30-21-49-410-055

 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 doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR

 Subtask 30-21-49-440-053
 B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
 Subtask 30-21-49-410-059

 C. Close Access
 (1)
 Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR

 (2)
 Remove the access platform(s).

 (3) Remove the warning notice(s).
 Subtask 30-21-49-865-060

 D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1DN1, 1DN2
 Subtask 30-21-49-862-057
 E. De-energize the ground service network
 (Ref. TASK 24-42-00-862-001).

 TASK 30-21-49-000-046

 Removal of the Top 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 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

R **ON A/C 001-049, 051-060, 062-099, 101-149, 151-199, 201-299, 301-399, R 401-499,
 30-21-49-991-302 Fig. 403
 **ON A/C 061-061,
 30-21-49-991-302-A Fig. 403A

R **ON A/C ALL

 3. Job Set-up
__________ Subtask 30-21-49-861-058
 A. Energize the ground service network
 (Ref. TASK 24-42-00-861-001).

 Subtask 30-21-49-941-057
 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 30-21-49-865-061
 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 30-21-49-010-056

 D. Get Access
 (1) Open the fan cowl doors (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
 (2)
 Put the access platform in position.
 Subtask 30-21-49-040-056

 E.
 Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). Subtask 30-21-49-010-061

 F. Open the thrust reverser doors (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
 4. Procedure
_________ R **ON A/C 001-049, 051-060, 062-099, 101-149, 151-199, 201-299, 301-399, R 401-499, (Ref. Fig. 403/TASK 30-21-49-991-302) **ON A/C 061-061,
 (Ref. Fig. 403A/TASK 30-21-49-991-302-A)R **ON A/C ALL
　
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