ACR&Artex ME406 HM - Manual (Page 52)

ARTEX PRODUCTS / ACR ELECTRONICS, INC
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
ME406 (453-6603), ME406HM (453-6604)
25-62-30
Page 52 of 84
Jun 25/13
SUBTASK 25-62-30-450-002
B. Installation
(1) See Figure 14 Typical Mounting Tray Installation.
Figure 14 Typical Mounting Tray Installation
(2) Install the necessary mounting structure as appropriate for the specific installation.
(3) Align the mounting tray (452-3034) 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 25-62-30-410-803 on page 74 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 ME406 Series ELT Outline and Dimensions on page 51.
(5) Drill the four mounting holes with a #19 or 4.25 mm drill.
(6) Install the mounting tray with the hardware supplied in the installation kit (455-7423), as
shown in Figure 14 Typical Mounting Tray Installation on page 52.
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)
NOTE: LOCKWASHER OR
LOCKNUT RECOMMENDED
8-32 X 1/4 HEX NUT
(4 PLCS) AIRFRAME
STRUCTURE (REF.)
EQUIPMENT MOUNTING
PLATE (REF.)
MOUNTING
TRAY
NOTE: LOCKWASHER OR
LOCKNUT RECOMMENDED
8-32 X 1/4 HEX NUT
(4 PLCS)
MOUNTING
TRAY
AIRFRAME
STRUCTURE (REF.)
EQUIPMENT MOUNTING
PLATE (REF.)
8-32 x 5/8 SCREW
(4 PLCS)
#8 FLAT WASHER
(4 PLCS)