ARTEX PRODUCTS / ACR ELECTRONICS, INC
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
C406-2 (453-5000), C406-2HM (453-5001)
570-5000 Rev. U
Company Confidential
25-62-11
Page 42 of 66
SUBTASK 25-62-11-450-002
B.
Installation
1)
See Figure 15.
Figure 15 Typical Mounting Tray Installation
2)
Install the necessary mounting structure as appropriate for the specific installation.
3)
Align the mounting tray (452-5050) on the mounting structure, such that the arrow on the tray is
within 10° of the longitudinal axis of the aircraft and pointing in the direction of flight.
NOTE:
Refer to TASK 25-62-11-410-803 on page 76 for guidelines on ELT orientation in a
helicopter.
4)
Mark the four holes needed for mounting the tray, using the tray as a pattern. The hole pattern is
also illustrated in Figure 14 on page 41.
5)
Drill the four mounting holes with a #19 or 4.25 mm drill.
6)
Install the mounting tray with the 8-
32 x 5/8” SS pan head phillips screws, flat washers, lock
washers, and nuts provided in the installation kit (455-7421), as shown in Figure 15 on page 42
NOTE:
The use of substitute mounting hardware is acceptable provided the hardware used
meets or exceeds the strength and corrosion resistance of the original hardware.
a)
Torque to 12 ±1 lb-
in (136 ± 11 N•cm).
TASK 25-62-11-450-802
3.
Antenna
SUBTASK 25-62-11-990-001
A.
Selection
1)
Use only antennas approved for use with the C406-2 Series ELT. The ELT will not work properly
without being connected to an antenna for which it was designed.
2)
Verify the antenna selected matches the requirements of the specific installation. Considerations
include aircraft maximum rated speed, location restrictions, and any other considerations specific to
the installation.