TM 11-5841-283-12/NAVAIR 16-30APR39-1
4-18. SPIRAL ANTENNA REPLACEMENT. (CONT)
ACTION
REMARKS
ITEM
LOCATION
INSTALLATION
1 . Quadrants
Gasket (1)
Aline gasket holes with antenna
II, Ill, or IV
mounting screw holes.
NOTE
Some aircraft may not use a gasket. On aircraft that do,
check gasket for damage before installation. Use a new
gasket whenever necessary. If no gasket is used, apply clear
sealant.
2.
Reconnect.
Cable con-
Using torque wrench, tighten to 7-10
nector (2) and
inch-pounds.
antenna (3)
CAUTION
Before installing antenna, be absolutely certain that the
white dots on all antennas are in same position.
NOTE
On some aircraft, you may not be able to install new antenna
in same position. Check aircraft manual for information
covering installation with dot in different position.
3.
Position in airframe mount.
Antenna (3)
4.
Using cross-tip screwdriver, install.
Mounting
There are four mounting screws.
screws (4)
Step 4 is typical of all four screws.
Only one screw is shown.
CAUTION
Perform a self-test (see para 2-4) and a system function test
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