**ON A/C ALL
 4. Procedure
_________
 **ON A/C 001-049, 051-099, 101-149, 201-299,

 (Ref. Fig. 402/TASK 25-54-12-991-004) R **ON A/C 151-199, 401-499,
 (Ref. Fig. 402A/TASK 25-54-12-991-004-A)
 **ON A/C 301-399,

 (Ref. Fig. 402B/TASK 25-54-12-991-004-B)
 **ON A/C ALL

 Subtask 25-54-12-020-051
 A. Removal of the Ceiling Panels NOTE : The removal of each ceiling panel is the same.
____
 (1)
 Remove the joint strip (5) from the ceiling panels (2).

 (2)
 Support the ceiling panels (2).

 (3)
 Loosen the studs (3),(4) and (7) of the ceiling panels (2).

 (4)
 Remove the ceiling panels (2) from the aircraft structure.

 EFF : ALL
25-54-12Page 417

 Ceiling Panels - FWD Cargo Compartment Figure 402/TASK 25-54-12-991-004 
R  EFF :  001-049, 051-099, 101-149, 201-299,  25-54-12 Page 418 May 01/05
 CES 

 Ceiling Panels - FWD Cargo Compartment Figure 402A/TASK 25-54-12-991-004-A 
R  EFF :  151-199, 401-499,  25-54-12 Page 419 Aug 01/05
 CES 

R R  Ceiling Panels - FWD Cargo Compartment Figure 402B/TASK 25-54-12-991-004-B 
R  EFF :  301-399,  25-54-12 Page 420 May 01/04
 CES 

 TASK 25-54-12-400-002
 Installation of the Ceiling Panels in the FWD Cargo Compartment

 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 2.1 m (6 ft. 11 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
Material No. 11-004  USA MIL-T-81533
 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM)
 (Ref. 20-31-00)

 C. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
25-68-41-960-001  Replacement of the Decompression Panels
 52-30-00-860-001  Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
 52-30-00-860-002  Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
R **ON A/C 001-049, 051-099, 101-149, 201-299,
 25-54-12-991-004  Fig. 402
 EFF : ALL
25-54-12Page 421

 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
R **ON A/C 151-199, 401-499,
 25-54-12-991-004-A Fig. 402A
 **ON A/C 301-399,

 25-54-12-991-004-B Fig. 402B
 **ON A/C ALL

 3. Job Set-up
__________
 **ON A/C 001-049, 051-061, 101-105, 201-202,

 Subtask 25-54-12-860-051
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the FWD cargo-compartment door is opened and safetied with the actuator safety locks (Ref. TASK 52-30-00-860-001).

 (2)
 Make sure that the access platform is in position at the opening of the FWD cargo- compartment door.

 (3)
 Make sure that the warning notice is in position on the control panel of the FWD cargo loading system to tell persons not to use it.

R **ON A/C 062-099, 106-149, 151-199, 203-299, 301-399, 401-499,
 Subtask 25-54-12-860-051-A
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the FWD cargo-compartment door is opened and safetied with the actuator safety locks (Ref. TASK 52-30-00-860-001).

 (2)
 Make sure that the access platform is in position at the opening of the FWD cargo- compartment door.

 EFF : ALL
25-54-12Page 422

 **ON A/C 001-049, 101-105,
 Subtask 25-54-12-865-051-A
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
　
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