(2)
 Do the operational test of the manual pressure control and monitoring system (Ref. TASK 21-31-00-710-003).

 1EFF : ALL 1 21-31-51Page 486 1 1 Aug 01/05R 1 1 1CES 1

 5. Close-up
________
 **ON A/C 001-049, 051-099, 101-105,

 Subtask 21-31-51-410-064
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the access panel 162CW (Ref. TASK 25-55-12-400-003).

 (3)
 Remove the access platform(s).

 (4)
 Remove the warning notice and close the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-002).

R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
 Subtask 21-31-51-410-064-A
 A. Close Access
 (1)
 Installation of the Grill

 (a)
 Temporarily install the bonding strap (4), the washer (28) and the bolt (27).

 (b)
 Put the grill (9) in position in the retaining clips (10) and install the quick release fateners (12).

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

 (d)
 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).

 (2)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (3)
 Install the access panel 162CW (Ref. TASK 25-55-12-400-003).

 (4)
 Remove the access platform(s).

 (5)
 Remove the warning notice and close the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-002).

 **ON A/C ALL
 Subtask 21-31-51-862-054
 B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
 1EFF : ALL 1 21-31-51Page 488 1 1 Aug 01/05R 1 1 1CES 1

 TASK 21-31-51-000-004 Removal of the Outflow Valve (10HL) - Manual Motor 10HL-5 WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
_______
 FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
 HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.

 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 caps
 No specific circuit breaker(s) safety clip(s)
 No specific access platform 2 m (6 ft. 7 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 25-55-12-000-003 Removal of the Sidewall Panels in the AFT Cargo Compartment - FR59/FR65 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
 **ON A/C 001-049, 051-099, 101-105,
 21-31-51-991-007 Fig. 405 R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
 21-31-51-991-007-A Fig. 405A
R 1EFF : ALL 1 21-31-51Page 489 1 1 Aug 01/05 1 1 1CES 1

 **ON A/C ALL
 3. Job Set-up__________
 Subtask 21-31-51-861-055
 A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
 Subtask 21-31-51-865-058
 B. Open, safety and tag this(these) circuit breaker(s):
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
 **ON A/C 001-049, 051-061, 101-102,
 Subtask 21-31-51-010-053
 C. Get Access (Ref. Fig. 405/TASK 21-31-51-991-007)
 WARNING : DO NOT OPEN OR GO NEAR PRESSURE-SEALED DOORS WHEN THE 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.
　
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