01 March 2005
NAVAIR 01-1A-509-3
TM 1-1500-344-23-3
TO 1-1-689-3
connector several times to clean. Rinse with Isopropyl
Alcohol, TT-I-735, and allow to dry.
Compound, Corrosion Preventive
3
Water-Displacing
MIL-C-81309
NOTE
The application of Water Displacing Corrosion
Preventive Compound, Ultra-Thin Film,
Avionics Grade, MIL-C-81309 Type III, will
assist in displacing any moisture present from
Figure 6-7. Connector Sealing Procedures
the metallic surfaces in connector internal
sections.
e. After sealant application, position the connector
so that the connector face is parallel to the floor. This
b. Apply a light film of Water Displacing Corrosion
allows the sealant to flow to a uniform thickness over
Preventive Compound, Ultra-Thin Film, Avionics Grade,
the back of the connector during initial cure. After 30
MIL-C-81309 Type III (Volume IV or V, Chapter 2), to
minutes, the connector may be placed in any position,
the internal sections of the connectors, plugs, and
although the cure will continue for about 24 hours.
receptacles. Avoid excessive application or overspray
of preservative.
f. Contactors may later require replacement. After
making such a replacement, add a drop of the sealant
c. Tilt connector down, if possible, to drain excess.
around the replaced wire near the rear of the grommet.
Wipe off excess preservative with Cleaning Cloth,
Position connector face parallel to the floor for 30
CCC-C-46 Class 7 (Volume IV or V, Chapter 2).
minutes for initial cure.
d. Prior to connecting threaded sections of
g. Connectors exposed to severe environments,
connector, plug, or receptacle backshells, treat
such as wheel wells, wing butts, or bilges, may be
threaded area with Water Displacing Corrosion
taped using Electrical Insulating Tape, 604-1 (black)
Preventive Compound, Ultra-Thin Film Avionics Grade,
or 604-2 (red), (Volume IV or V, Chapter 2). RTV,
MIL-C-81309 Type III (Volume IV or V, Chapter 2).
MIL-A-46146 (Volume IV or V, Chapter 2) shall be
brushed over the tape.
e. Mate connector sections. Wipe off excess
preservative with Cleaning Cloth, CCC-C-46 Class 7
6-3.11.4. Water-Displacement and Treatment. After
(Volume IV or V, Chapter 2).
corrosion removal/cleaning or any time connectors,
plugs, or receptacles are separated for maintenance,
CAUTION
treat as follows:
For connectors requiring frequent mating and
unmating, use Water Displacing Corrosion
Preventive Compound, MIL-C-81309 Type III.
Alcohol, Isopropyl
6
f. For antenna connectors/cables, apply corrosion
TT-I-735
protective materials according to paragraph 6-3.1.3.e.
a. Liberally apply Isopropyl Alcohol, TT-I-735
6-3.12. COAXIAL CONNECTORS. Coaxial connectors
(Volume IV or V, Chapter 2), to internal/external
require special steps in order to avoid water intrusion.
sections of male and female connectors using an Acid
In most cases, contaminants in fuel/oil quantity
Brush (Volume IV or V, Chapter 3). Mate and unmate
connectors, and similar capacitive-type indicating
system connectors, will cause erroneous quantity