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12.
Fit the other housing half into place, taking care to align the thumbscrews, bracket
washers, grommet, and plug.
13.
Screw the housing halves together using the long, fully-threaded screws and nuts
supplied as part of the D-Sub housing kit.
14.
Install the grommet clamp supplied as part of the D-Sub housing kit, around the
grommet.
15.
Ring out the remote switch harness to verify correct pin to pin continuity.
Optionally, the system can be temporarily connected and operation checked via the
remote switch.
4.3.5
DB15 Plug Back Shell Sealing
Seal the plug back shell using Dow Corning
®
4 Electrical Insulating Compound, or an
equivalent meeting MIL-S-8660C.
1.
Disassemble the D-Sub housing and remove a housing half.
2.
Inject Dow Corning
®
4 into the back side of the plug, such that the insulating
compound surrounds the conductors and covers the back of the plug.
3.
Reassemble the D-Sub housing (Subsection 4.3.4, Steps 8-14).
4.3.6
Final Installation
CAUTION
: When handling the ME-183 NAV and ELT, take precautions in
accordance with Subsection 3.3, “Electrostatic Discharge (ESD) Precautions”.
Referring to Figure 4-8:
1.
Install sealant strip (850-0814) in the
ELT DB15 receptacle as follows, if
one is not already installed from a
previous installation.
a)
Peel a sealant strip off the plastic
sheet.
b)
Press 2 sealant strips tacky side
against the male pins of the ELT
receptacle.
c)
Peel the foam backing off the
sealant strip.
2.
Plug the ME-183 NAV into the ELT.
3.
Install 1 sealant strip (850-0814) in the ME-183 NAV DB15 receptacle, following
the procedures in Step 1.
4.
Plug the harness into the ME-183 NAV.
NOTE
: Form a drip loop in the cable (Subsection 4.3.1).
5.
Screw the thumbscrews into the ELT DB15 connector retaining nuts, making sure
the harness plug and ME-183 NAV are seated properly in the receptacles.
Torque
: 1 – 2 in-lbs
Figure 4-8: ME-183 NAV Final Installation
