B. installation, Figure 14 typical mounting tray installation – ACR&Artex C406-2 HM User Manual
Page 56
ACR ELECTRONICS, INC / ARTEX PRODUCTS
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
C406-2 (453-5000), C406-2HM (453-5001)
25-62-11
Page 56 of 87
JUN 20/13
SUBTASK 25-62-11-450-002
B. Installation
(1)
Figure 14 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 13 C406-2 Series ELT Outline and Dimensions” on
(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 14 Typical
Mounting Tray Installation” on page 57.
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).
8-32 x 5/8 SCREW
(4 PLCS)
#8 FLAT WASHER
(4 PLCS)
#8 LOCK WASHER
(4 PLCS)
8-32 X 1/4 HEX NUT
(4 PLCS)
AIRFRAME
STRUCTURE (REF.)
EQUIPMENT MOUNTING
PLATE (REF.)
MOUNTING
TRAY