Elt Installation; Installation And Test; Figure 20. Elt Installation Sequence - ACR Electronics COBHAM B406-4 Abbreviated Component Maintenance Manual

TASK 25-62-03-410-802

7. ELT Installation

SUBTASK 25-62-03-410-001
A.

Installation and Test

(1) See "Figure 20. ELT Installation Sequence".
ELT MAIN
ASSY
(2) Verify the ELT local switch is in the "OFF" position.
(3) Insert the ELT into the mounting tray at an angle, such that the locking ears at the end
opposite the direction-of-flight arrow fit into the mounting tray locking slots.
(4) Press the ELT down until it is fully seated in the mounting tray.
(5) Install the protective top cover assembly (452-3052) on the ELT by fitting the cover locking
slots over the locking ears on the ELT.
(6) Push the cover toward the connector end of the ELT and seat it down in place on the ELT.
(7) Route the antenna coax cables through the appropriate mounting frame cap access holes.
(8) Connect the antenna coax cables to the ELT.
(9) Connect the 12-pin harness receptacle to the ELT.
(10) Slide the mounting frame cap into place over the mounting tray and protective top cover.
COBHAM AVIONICS WULFSBERG ELECTRONICS
ABBREVIATED COMPONENT MAINTENANCE MANUAL
B406-4 (453-5004)
PROTECTIVE TOP
COVER ASSY
MOUNTING
TRAY ASSY

Figure 20. ELT Installation Sequence

5
6
MOUNTING FRAME
CAP ASSY
2
1
3
CONNECT COAX
4
CABLE
7 TIGHTEN THUMBSCREW
(2 PLCS)
Tighten to no more than
18 lb-in (203 Ncm)
25-62-03
NOTE: Coax cables and
wiring harness not
shown for clarity.
CONNECT COAX
CABLE
CONNECT HARNESS
Page 71 of 86
APR 06/10