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Hatch Seal
Figure 401/TASK 52-21-18-991-003
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Hatch Seal
Figure 401A/TASK 52-21-18-991-003-A
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B. Check of the Seal Retainer
(1) Do a visual check of the seal retainer (3) and make sure that it is clean and in the correct condition.
Subtask 52-21-18-420-051
C. Installation of the Hatch Seal of the Emergency Exit Hatch
(1) Install the hatch seal (1) as follows:
(a)
Clean the adjacent area of the hatch seal (1) (Ref. TASK 52-21-00-100-001).
(b)
Apply the talcum powder MISCELLANEOUS (Material No. 19-004) to the hatch seal (1).
(c)
Put the hatch seal (1) in the correct position on the emergency exit hatch (2).
NOTE : Do not install the hatch seal (1) with a sharp tool.
____
(d) Push the hatch seal (1) into the seal retainer (3) with a SCRAPER
-PLASTIC or SCRAPER - WOODEN.
5. Close-up
________ Subtask 52-21-18-410-051
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the applicable emergency exit hatch (Ref. TASK 52-21-11-400-001).
(3)
Make sure that the lip of the hatch seal is in the correct position.
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______________________
TASK 52-21-18-300-001
Repair of the Seal at the Emergency Exit Hatch
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific emery cloth No specific very fine emery cloth No specific wooden bonding block No specific 1 SPATULA - NON METALLIC
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 05-023 USA MIL-I-631 POLYTEREPTHALATE (Ref. 20-31-00) Material No. 05-024 FABRIC (Ref. 20-31-00) Material No. 08-004 USA MIL-A-25457 ADHESIVE SEALANT (Ref. 20-31-00)
Material No. 08-026 ADHESIVE/SEALANT ONE PART,RTV SILICONE RUBBER (Ref. 20-31-00)
Material No. 11-004 USA MIL-T-81533 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM) (Ref. 20-31-00)
Material No. 11-016 USA BOEING BAC 5000 BAC 5504 BAC 5750 CLEANING SOLVENT (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
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-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-21-11-000-001 Removal of the Emergency Exit Hatch 52-21-11-400-001 Installation of the Emergency Exit Hatch 52-21-18-960-003 Replacement of the Hatch Seal 52-21-18-991-004 Fig. 801 52-21-18-991-005 Fig. 802 52-21-18-991-006 Fig. 803
3. Job Set-up
__________
Subtask 52-21-18-860-050
A. Aircraft Maintenance Configuration
(1)
Remove the applicable emergency exit hatch (referred to as hatch) as required (Ref. TASK 52-21-11-000-001).
(2)
Remove the door seal (Ref. TASK 52-21-18-960-003)
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