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_______ AIRCRAFT IS PRESSURIZED. A PRESSURE-SEALED DOOR THAT OPENS WHEN THE AIRCRAFT IS PRESSURIZED.
 -WILL CAUSE EXPLOSIVE DECOMPRESSION.
 -CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAUSE DAMAGE TO THE AIRCRAFT/EQUIPMENT.
 WARNING : OPEN THE ACCESS DOOR AND MAKE SURE IT STAYS OPEN.
_______ ATTACH A WARNING NOTICE TO THE ACCESS DOOR TO TELL PERSONS NOT TO CLOSE IT. THIS IS TO PREVENT ACCIDENTAL PRESSURIZATION OF THE AIRCRAFT BY THE AIR CONDITIONING SYSTEM IF ALL THE OTHER CABIN OPENINGS ARE CLOSED. PRESSURIZATION OF THE AIRCRAFT CAN BE DANGEROUS. IT CAN CAUSE A DOOR TO OPEN WITH EXPLOSIVE FORCE WHICH CAN CAUSE INJURY AND/OR DAMAGE.
 (a)
 The AFT cargo-compartment door 826 is open (Ref. TASK 52-30-00-860-001).

 (b)
 The access platform is in position at the AFT cargo-compartment door 826.

 (c)
 The access panel 162CW is removed (Ref. TASK 25-55-12-000-003).

 

 Subtask 21-31-51-865-062
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
R  -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/CAB/PRESS/CTL1 1HL D09 
R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399, 
R  122VU AIR COND/AFT CARGO VENT/FAN  30HN  S22 
R  **ON A/C ALL 
R R R  122VU AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY 122VU AIR COND/CAB PRESS/CTL/MAN 122VU AIR COND/CAB PRESS/CTL/2  6HU 3HL 2HL  U19 Y23 Y22
 4. Procedure_________
 **ON A/C 001-049, 051-099, 101-105,
 (Ref. Fig. 406/TASK 21-31-51-991-008) 
R  **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 406A/TASK 21-31-51-991-008-A)
 **ON A/C 001-049, 051-099, 101-105,
 Subtask 21-31-51-420-054
 A. Installation of the Feedback Assembly
 (1) Clean the component interface and/or the adjacent area.
 (2) Make sure that the parts retained from the removed component are clean and in the correct condition.

 

 (3)
 Apply a small quantity of COMMON GREASE (Material No. 04-033) to the teeth of the feedback-assembly drive shaft.

 (4)
 Put the feedback assembly (62) 10HL-6 in position on the outflow valve (5).

 (5)
 Install the washers (61) and the screws (60).

 (6)
 TORQUE the screws (60) to between 0.05 and 0.06 m.daN (4.42 and 5.30 lbf.in).

 (7)
 Remove the blanking caps from the disconnected electrical connectors.

 (8)
 Make sure that the electrical connectors are clean and in the correct condition.

 (9)
 Connect the electrical connectors (23) 10HL-E and (26) 10HL-D.

 (10) Make sure that the work area is clean and clear of tool(s) and other items.

R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
 Subtask 21-31-51-420-054-A
 A. Installation of the Feedback Assembly
 (1)
 Clean the component interface and/or the adjacent area.

 (2)
 Make sure that the parts retained from the removed component are clean and in the correct condition.

 (3)
 Apply a small quantity of COMMON GREASE (Material No. 04-033) to the teeth of the feedback-assembly drive shaft.

 (4)
 Put the feedback assembly (62) 10HL-6 in position on the outflow valve (5).

 (5)
 Install the washers (61) and the screws (60).

 (6)
 TORQUE the screws (60) to between 0.05 and 0.06 m.daN (4.42 and 5.30 lbf.in).

 (7)
 Remove the blanking caps from the disconnected electrical connectors.

 (8)
 Make sure that the electrical connectors are clean and in the correct

 condition.

 (9)
 Connect the electrical connectors (23) 10HL-E and (26) 10HL-D.

 

 (10)
 Put the bonding strap (4) in position and temporarily install the washer (28) and the bolt (27).

 (11)
 Put the grill (9) in position in the retaining clips (10) and install the quick-release fasteners (12).

 (12)
 Remove the bolt (27) and the washer (28).

 (13)
 Put the bonding straps (4) and (11) in position and install the washer (28) and the bolt (27) (Ref. TASK 20-28-00-912-004).

 (14)
 Make sure that the work area is clean and clear of tool(s) and other items.

 **ON A/C ALL
 Subtask 21-31-51-865-063
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HL, 2HL, 3HL, 6HU, 30HN.
　
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