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R  when you loosen the coupling nut on the tube. 
R  (5) Remove the upper muscle pressure tube (55). 
R  (a) Remove the bolt (105), the washer (100), the nut (80) and the 
R  clamp (95) from the bracket (85). 
R  (b) Disconnect the coupling nut (90) of the upper muscle pressure 
R  tube from the elbow (75) on the fireshield and the coupling nut 
R  (90) of the upper muscle pressure tube from the union (50) on the 
R  pneumatic duct. 
R  NOTE : Use a second wrench to hold the elbow at the fireshield____ 
R  and the union on the pneumatic duct when you loosen the 
R  coupling nuts on the tube. 
R  (c) Remove the tube (55). 
R  (6) Put protective covers on all of the disconnected hoses and tubes. 
R  (7) Put protective covers on the union on the anti-ice valve, the elbow 
R  on the fireshield, and the union on the pneumatic duct. 

R 1EFF : 061-061, 1 30-21-49Page 413 1 1 May 01/05 1 1 1CES 1R **ON A/C ALL

 

 TASK 30-21-49-400-043
 Installation of the Muscle Pressure Tubes and Hoses
 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 0.5 m (1 ft. 8 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 36.00 to 220.00 lbf.in
 (0.40 to 2.60 m.daN)
 B. Consumable Materials
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
Material No. CP2208  *
 Scotch 3M-361 Tape (Ref. 70-30-00)

 

 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from
 the External Power
 71-13-00-010-040 Opening of the Fan Cowl Doors
 71-13-00-410-040 Closing 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
 78-36-00-010-040 Opening of the Thrust Reverser Doors
 78-36-00-410-040 Closing 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,
 30-21-49-991-300 Fig. 401
 **ON A/C 061-061,
 30-21-49-991-300-A Fig. 401A
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 30-21-49-860-050
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the ground service network is energized (Ref. TASK 24-42-00-861-001).

 (2)
 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.

 (3)
 On the overhead maintenance 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 to tell persons not to energize the FADEC 1(2).

 (4)
 Make sure that the access platform is in position.

 

 Subtask 30-21-49-010-057
 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 thrust reverser doors are open (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR

 Subtask 30-21-49-040-052
 C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
 Subtask 30-21-49-865-053
 D. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU ANTI ICE/ENG/2 1DN2 W10 122VU ANTI ICE/ENG/1 1DN1 X10
　
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