-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 05-013 D TV-53-3507/73 RELEASE AGENT (OBSOLETE USE 05-013A) (Ref. 20-31-00)
Material No. 09-016 USA MIL-PRF-81733D TYPE II CLASS B CORROSION INHIBITING FILLET CONSISTENCY (Ref. 20-31-00)
Material No. 11-003 USA ASTM D 740 METHYL-ETHYL-KETONE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
Material No. 19-009 USA AMS 5687 LOCKWIRE STAINLESS STEEL ANNEALED 0.5MM DIA (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
20-28-00-912-004 Electrical Bonding of Components With Conductive Bolts and Screws and Bonding Straps in the Fuselage and in the Wings (this does not include the tanks)-
23-28-00-740-001 BITE Test of the Satellite Communication System 51-76-11-300-001 Repair of the Sealing 23-28-13-991-001 Fig. 401
3. Job Set-up
__________
Subtask 23-28-13-865-051
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
C/B NOT APPLICABLE
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B. Aircraft Maintenance Configuration
(1) Make sure that the access platform is in position at Zone 230.
4. Procedure
_________ Subtask 23-28-13-910-050
A. Preparation for Installation
(Ref. Fig. 401/TASK 23-28-13-991-001)
(1)
Do an inspection of the component interface and/or the adjacent area.
(2)
Remove the used sealant with a nonmetallic scraper and clean the fuselage structure with CLEANING AGENTS (Material No. 11-003).
(3)
Clean the component interface and/or the adjacent area with CLEANING AGENTS (Material No. 11-003) and MISCELLANEOUS (Material No. 19-003).
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5) Apply masking tape to the screw holes and the antenna connectors. Subtask 23-28-13-420-050
B. Installation of the Antenna
(Ref. Fig. 401/TASK 23-28-13-991-001)
(1)
Apply SPECIAL MATERIALS (Material No. 05-013) to the bottom of the antenna (2).
(2)
Remove the masking tape from the screws holes and the electrical connectors (3).
(3)
Make sure that the mounting base is installed (interface between the fuselage and the antenna).
(4)
Put the teflon gasket in position on the mounting base and align the gasket with the screw holes.
(5)
Remove the blanking caps from the electrical connectors.
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(6) Connect the electrical connector (3) and the coaxial connectors (6) to the antenna (2).
WARNING : WEAR GOGGLES WHEN YOU REMOVE OR INSTALL THE LOCKWIRE. CUT,
_______ REMOVE AND DISCARD THE LOCKWIRE AS YOU DO THE TASK. LOOSE LOCKWIRE CAN CUT OR BLIND YOU.
(7)
Safety the electrical connector (3) and the coaxial connectors (6) with MISCELLANEOUS (Material No. 19-009).
(8)
Install the antenna on the teflon gasket (2).
(9)
Install the screws (1) with a torque to 0.35 m.daN (30.97 lbf.in) and tighten in a diagonal sequence.
(10)
Make sure that the bonding contact resistance between the antenna (2) and the fuselage structure is not higher than 5.0 milliohms (Ref. TASK 20-28-00-912-004).
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