2.
 Component Location

__________________
 **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
 (Ref. Fig. 001)
R **ON A/C 151-199, 401-499,
 (Ref. Fig. 001A)
 **ON A/C ALL
 3. Description
___________
 A. Support Strut Installations
 (1)
 The support struts under the cabin floor structure are generally riveted to the cross-beams and to the frames. The support struts in the cargo compartments make a lateral channel left and right of the cargo compartments sidewall. In the left-hand channel different aircraft systems are installed.

 (2)
 To get access to the different aircraft systems (for removal and installation) some of the support struts are removable. The removable struts in the aft cargo compartments are installed at, frame 50/51, 56/57, 61/62 and the center support strut at frame 65.

 EFF : ALL
53-43-00Page 1

 Support Struts - Location Figure 001 
R  EFF : 001-049, 051-099, 101-149, 201-299, 301-399,  53-43-00 Page 2 May 01/05
 CES 

 Support Struts - Location Figure 001A 
R  EFF :  151-199, 401-499,  53-43-00 Page 3 Aug 01/05
 CES 

 STRUTS - REMOVAL/INSTALLATION
_____________________________
 TASK 53-43-11-000-001
 Removal of the Support Struts
 NOTE : Applicable to FR50 and FR51, FR56 and FR57, FR61 and FR62 left side and
____
 the partition center support strut at FR65.

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific nonmetal scraper
 No specific access platform 1.8 m (5 ft. 11 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
25-55-12-000-001 Removal of the AFT Cargo Compartment Partition FR65 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, 101-149, 201-299, 301-399,
 53-43-11-991-001 Fig. 401 R **ON A/C 151-199, 401-499,
 53-43-11-991-001-A Fig. 401A
 EFF : ALL
53-43-11Page 401

 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 53-43-11-010-050

 A. Get Access
 (1)
 Open the AFT cargo-compartment door (Ref. TASK 52-30-00-860-001).

 (2)
 Put the access platform in position.

 (3)
 Remove the left sidewall linings (Ref. TASK 25-55-12-000-003).

 (4)
 Remove the partition panels 161DW, 162DW at FR65 (Ref. TASK 25-55-12-000-001).

 (5)
 Remove the sealant from around the attach area of the support struts

 (1) with a nonmetal scraper.
 4. Procedure
_________
 **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,

 (Ref. Fig. 401/TASK 53-43-11-991-001) R **ON A/C 151-199, 401-499,
 (Ref. Fig. 401A/TASK 53-43-11-991-001-A)
 **ON A/C ALL

 Subtask 53-43-11-020-051
 A. Removal the support struts:
 (1)
 Remove all attach items from the support struts (1).

 (2)
 Remove and discard the screws (3), the bolts (4), the nuts (5) and the washers (6).

 (3)
 Remove the support struts (1).

 EFF : ALL
53-43-11Page 402

 Removable Support Struts Figure 401/TASK 53-43-11-991-001 
R  EFF : 001-049, 051-099, 101-149, 201-299, 301-399,  53-43-11 Page 403 May 01/05
 CES 

 Removable Support Struts Figure 401A/TASK 53-43-11-991-001-A 
R  EFF :  151-199, 401-499,  53-43-11 Page 404 Aug 01/05
 CES 

 (4)
 Remove the quick release pins (7) from the support struts (2).

 (5)
 Remove the support struts (2).

 EFF : ALL
53-43-11Page 405
May 01/03
R
 CES

 TASK 53-43-11-400-001
　
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