S 358-053
(9) Use the abrasive paper to lightly rub the mating surfaces of the zipper chain and the new seal cap retainer.
NOTE: A steel wool pad can be used to lightly rub the mating
____
surfaces also.
S 118-054
(10)
Clean the zipper chain and the seal cap retainer with a cheesecloth or wiper that is moist with the solvent.
S 358-055
(11)
Mix the adhesive (BMS 5-7) fully before you use it.
NOTE: The adhesive must not be used if it is too thick.
____
S 358-056
(12) Apply two thin, continuous layers of the adhesive to the surfaces of the zipper chain and the seal cap retainer.
NOTE: The first layer of the adhesive must dry fully before you
____ apply the second layer. The second layer of the adhesive must dry only until it is tacky.
S 358-057
(13) Put the seal cap retainer on the end of the zipper chain while the adhesive is tacky.
NOTE: Sufficient pressure must be applied to the seal cap retainer
____
to make it bond correctly to the zipper chain.
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S 118-058
(14) Remove the unwanted adhesive from the repair surface with a cheesecloth or wiper that is moist with the solvent.
NOTE: The solvent must not flow in the bond area.
____
(a) Install the cargo lining if you removed it to do the repair (AMM 25-52-01/401 or AMM 25-55-02/401).
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747-400 MAINTENANCE MANUAL
PREFORMED LINING PANELS - REMOVAL/INSTALLATION
______________________________________________
TASK 25-52-03-904-019
1. Preformed Lining Panels - Removal/Installation______________________________________________
A. Procedure
S 904-020
(1) Refer to 25-52-01/401, Containerized Cargo Compartment Ceiling and Sidewall Linings or to 25-55-02/401, Bulk Cargo Compartment Ceiling and Sidewall Linings. The removal and installation procedures for the preformed lining panels are the same as the ceiling and sidewall linings.
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CONTAINERIZED CARGO COMPARTMENT INSULATION - REMOVAL/INSTALLATION
_________________________________________________________________
1. General
_______
A. There are two tasks given in this procedure. The first task is the removal of the insulation blankets installed in the forward and aft cargo compartments. The second task is the installation of the insulation blankets.
B. Insulation blankets are installed in between and over the structural members in the floor and sidewalls in each compartment. To get access to the insulation blankets on the sidewalls it is necessary to remove the sidewall lining panels. The insulation blankets on the sidewalls and the floor are installed differently. The insulation blankets behind the sidewall vertical posts are installed on top of the structural frames. The insulation blankets below the sidewall vertical posts are installed in between and over the structural frames and stringers. Some insulation blankets called cap strips are installed over the full length of the structural frames. The cap strips are only installed on the structural frames in between the floor and the sidewall vertical posts.
C. The insulation blankets are held in place with clip/stud fasteners, velcro tape, and/or double-back tape. Dacron cord is used in the floor to hold the insulation blankets away from the bottom of the lower lobe.
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