ACR&Artex ELT to Nav Interface Boeing - Manual (Page 47)

25-69-11
Page 47 of 58
JUL 28/11
ACR ELECTRONICS, INC / ARTEX PRODUCTS
ABBREVIATED COMPONENT MAINTENANCE MANUAL
-B (453-6501)
(4) Fabricate a ground wire of sufficient length to reach from the ELT/NAV Interface -B to a
suitable aircraft ground location.
(a) Strip approximately 0.19 in. (5 mm) of insulation from each end of each of the ground
wire.
(b) Dress and tin the bare wire ends to prevent the strands from fraying during terminal
crimping operations.
(5) Fabricate a power wire of sufficient length to reach from the ELT/NAV Interface -B to a
suitable aircraft +28 VDC, switchable power source.
(6) Crimp male terminal pins (151-6627) on the harness wire ends at the ELT.
NOTE: Use Molex crimp tool 63811-3300, or an equivalent tool for 0.062 in. terminal pins.
(7) Crimp or solder contact sockets 151-2100 on the ELT/NAV Interface -B end of the following
wires:
(a) 4-wire harness,
(b) Power wire,
(c) Ground wire, and
(d) Twisted pair data wires (ARINC 429) or RS-232 data wire.
(8) Feed the wires going to the ELT through the ELT mounting frame cap. See "Figure 9. Wiring
Installation at ELT End".
(9) Install the wires at the ELT end into the Molex receptacle. See "Figure 9. Wiring Installation at
ELT End" and "Figure 8. ELT/NAV Interface -B Wiring Diagram”, on page 46.
NOTE: Terminal pins may be removed from the receptacle using Molex extraction tool
11030002, or equivalent.
Figure 9. Wiring Installation at ELT End
(10) Seal the ELT receptacle in accordance with the applicable ELT abbreviated component
maintenance manual, once all tests have been completed satisfactorily.
MOUNTING
FRAME CAP
(REF.)
PIN 12
PIN 10
PIN 1 PIN 3
MOLEX PLUG
(REF.)