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TB20 MAINTENANCE MANUAL 23 COMMUNICATIONS TB20飞机维护手册 通讯(45)

时间:2011-10-31 12:23来源:蓝天飞行翻译 作者:航空
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b) Strip the fuselage area in contact with antenna (1), at 0.01 in (2 mm) inside the contour drawn with the soft lead pencil.
c) Clean the stripped area with a cloth moistened with cleaning agent (TB 11-912). Wipe with a dry cloth.
d) Protect the stripped area with Alodine (TB 13-002).
3) Make sure bonding area (4) is clean. Clean the surface with a cloth moistened with cleaning agent (TB 11-912). Wipe with a dry cloth.
4) Position the retained bonding gasket (3) or a new bonding gasket - refer to the Illustrated Parts Catalog.
5) Position and secure antenna (1) with screws (2).
6) Connect connector (6).
7) Make sure all the tools and materials are removed and the work area is clean and free from debris. Aircraft with overhead panel 241
8) Position and secure the overhead panel.
9) Connect and secure the radio loudspeaker.
10) Install the radio loudspeaker grille.
• Aircraft without overhead panel 241
8) Position and secure antenna cover (7) with screws (11) and washers (12).
9) If necessary, position and secure antenna cover upholstering (8) with screws (9) and washers (10). All
11) Apply a bead of sealant (TB 09-903) around the antenna / fuselage junction.
II 12) Seal the heads of screws (2) with sealant (TB 09-903).
13) Perform an operational test of COM 2 system.
Ity : Option Pre-MOD. 151 7alAA Validity Na ev20012
23-13-02 (BA) Pgo
 
14231000AAAAYZ14202
  1

Antenna - Removal / Installation
Figure 201 - With overhead panel
AAA
Validity : Option Pre-MOD. 151
I A 23-13-02Page 203
(BA) NOV 01
 
1 - Antenna
2 - Screw
3 - Gasket
4 - Bonding area
5 - Fuselage
6 - Connector
7 - Antenna cover
8 - Antenna cover upholstering
9 - Screw
10 - Washer
11 - Screw
12 - Washer
Antenna - Removal / Installation
Figure 201A - Without overhead panel
Ity : Option Pre-MOD. 151 7AA Validity 23 13 02 Page 204
(BA) NOV 01
 
E32 ANTENNA
MAINTENANCE PRACTICES
1. SERVICING
None
2. REMOVAL / INSTALLATION - E32 ANTENNA (Figure 201)
A. Tools and consumable materials
- Sealant (TB 09-903)
- Plastic scraper
- Cleaning agent (TB 11-912)
- Clean linffree cloth
B. Removal of the antenna
1) Make sure the switch-breaker of the main switch is open.
2) If screws (2) are sealed, remove the sealant.
3) If a sealant bead is applied around the antenna, remove the sealant with a plastic scraper.
4) Hold the overhead panel 241 and remove the front and rear attachment screws and washers.
5) Sufficiently clear the overhead panel to gain access to connector (6).
NOTE : For the remaining operations, hold the overhead panel suspended by an appropriate means to avoid overstressing the electrical wires.
 
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