Tecnam P2002 JF - Transponder Antenna Removal;Installation

Page 212 2
nd
Edition – Rev 0
34-20
POSITION DETERMINING – MAINTENANCE PRACTICES
9.TRANSPONDER ANTENNA REMOVAL/INSTALLATION
Step
no.
Task description
Additional info &
References
1.
Make sure Master Switch is set to OFF
2.
Get access to the antenna mounting on the cabin
floor: open inspection cap CF7 and CF8
See Chapter 06-10
3.
Disconnect coaxial cable connector
See Errore. L'origine
riferimento non è stata
trovata.
4.
Loosen nuts and remove washers
5.
Put the antenna clear of the fuselage skin
6.
Make sure that the internal skin surface is not
painted in correspondence of the fixing bolts
Remove any interior paint in
the area where the fixing nuts
and washers are placed to
assure a good ground.
7.
Put in position the new/repaired antenna
8.
Tighten fixing nuts with washers as per standard
values to secure the antenna
See standard torque values as
addressed on Chapter 20.
Use new self-locking nuts.
9.
Fasten coaxial cable connector
10.
Perform transponder functional test
11.
Apply a sealant type 2 layer along the edges
between antenna and aircraft surfaces
See Chapter 51-30
12.
Close inspection caps CF7 and CF8
13.
Perform functional check