(b)
11G34, HF COMM RIGHT (if installed)
S 864-028
(2) Supply the electrical power (AMM/24-22-00/201).
S 864-029
WARNING:_______DO NOT TRANSMIT WITH THE HF COMMUNICATION SYSTEM. IF YOU TRANSMIT, THE HF COMM ANTENNA COUPLER IS NOT PREPARED FOR THE REMOVAL.
(3) Set the mode selector switch to the AM or USB position on the applicable HF communication control panel, (P5).
(a) Set the frequency display to an approved test frequency.
NOTE: When the HF communication system first tunes to a new
____ frequency, the HF comm antenna coupler is in the HOME position. The HOME position helps prevent internal damage when you move the component.
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322CL
HF COMM ANTENNA COUPLER BAY
SEE A
VERTICAL STABILIZER
ACCESS COVER (REF) AUX SPAR (REF)
FEEDLINE CONNECTION (REF)
ANTENNA (REF) LEFT HF COMM ANTENNA COUPLER
VERTICAL STABILIZER LEADING EDGE (REF) 1 RIGHT HF COMM ANTENNA COUPLER ACCESS OPENING (322CL) CRAWL SPACE (REF)
1 AIRPLANES WITH DUAL HF SYSTEMS A HF COMM ANTENNA COUPLER BAY
Figure 401 HF Comm Antenna Coupler Installation
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S 864-030
(4) Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
D. Procedure
S 864-002
(1) Open the applicable circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11G8, HF COMM LEFT
(b)
11G34, HF COMM RIGHT (if installed)
S 014-006
WARNING: MAKE SURE THE POWER IS OFF THE HF SYSTEM(S) BEFORE YOU OPEN THE
_______ ACCESS PANEL. AN HF TRANSMISSION CAN CAUSE AN ELECTRICAL SHOCK TO PERSONS.
(2) Remove the access panel 322 CL on the left side of the vertical stabilizer (AMM 6-42-00/201).
NOTE: It will be necessary to remove approximately 60 screws.
____
S 024-036
CAUTION:_______MOVE THE HF COMM ANTENNA COUPLER CAREFULLY. SET THE COMPONENT ON ITS BOTTOM. DO NOT SET THE COMPONENT ON ITS END (WITH THE HANDLE UP). INTERNAL PARTS ARE EASILY DAMAGED.
(3) Remove the HF communication antenna coupler (AMM 20-10-01/401).
TASK 23-11-01-424-008
3. Install the HF Communication Antenna Coupler____________________________________________
A. References
(1)
AMM 6-42-00/201, Empennage Access Doors and Panels
(2)
AMM 20-10-01/401, E/E Rack Mounted Components - Standard Practices
(3)
AMM 24-22-00/201, Electrical Power - Manual Control
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(4) AMM 23-51-00/501, Flight Interphone System
B. Access
(1)
Location Zone 322 Vertical Stabilizer - auxiliary spar to front spar
(2)
Access Panel
322CL Antenna Coupler Bay Access Panel
C. Procedure
S 424-032
CAUTION:_______MOVE THE HF COMM ANTENNA COUPLER CAREFULLY. SET THE COMPONENT ON ITS BOTTOM. DO NOT SET THE COMPONENT ON ITS END (WITH THE HANDLE UP). INTERNAL PARTS ARE EASILY DAMAGED.
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