B737
MAINTENANCE MANUAL
EFFECTIVITY
Post ELT STC ST03081AT
23-24-02
PAGE 402
JAN 02/07
(e) Feed the two coax cables through the holes in the end cap and connect them to their
respective connections on the ELT.
(f) Position the end cap and connector assembly onto the ELT and tighten the two
thumbscrews securely.
(g)
Visually inspect connections ensuring that they are seated properly.
B.
Adjustment Procedure
Not Applicable
C.
Repair Procedure
Any repair procedures should accomplish by manufacturer approved facility in accordance with
the manufacture’s repair instructions.
D.
Return to Service Procedures
Do the Operational Tests specified in the Adjustment & Test section of this maintenance manual
supplement.
4. ELT Antenna Removal and Installation Procedure
A.
Removal and Installation Procedure
(1)
Remove the ELT antenna.
(a) If required, use a phenolic scraper to remove aerodynamic sealant around periphery
of antenna.
(b)
Remove six non-Torx drive screws used to attach antenna to fuselage.
(c)
Carefully lift antenna from fuselage avoiding any damage to the coaxial cable.
(d)
Disconnect the coaxial cable from the antenna connector.
(e) Put protective covers on the aircraft coaxial cable connector and the antenna coax
connector.
(2)
Install the ELT antenna.
(a) If required, ant existing aerodynamic sealant from antenna and clean antenna
mounting area.
(b) Put supplied o-ring in the antenna o-ring groove. If antenna is supplied with a Teflon
gasket, install gasket between antenna and fuselage.
(c)
Remove protective covers from the antenna and aircraft coaxial mating connector.
(d) Examine antenna and coaxial mating connectors to make sure they are clean and
secure.
(e) Orient antenna with respect to airframe. Connect aircraft coaxial cable to the
antenna.
NOTE: Do not apply sealant between antenna base and fuselage. Application of a sealant will
reduce lighting protection.
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