Page 269 - Circular Connector Backshells and Accessories

Type B Assembly Instructions
Series 39 EMI/RFI Cable Sealing Backshells 39
with Strain Relief

ASSEMBLY INSTRUCTIONS 39-B

TYPE B SHIELD TERMINATION

Follower Strain
Grommet Relief
Ground Adapter
Ring
Backshell
Connector
The following suggested procedure serves as a guide h. Slide adapter forward to connector, and tighten se-
for the proper assembly and installation of Glenair EMI/ curely.
RFI Environmental Backshells (Type B shield termina-
tion). It is recommended that trial samples of appropri- i. Move the four footed ground ring forward near the
ate cables or harnesses be used to determine proper rear of the adapter. Untie individual pigtails, and flare
trim dimensions of the outer shield and individual con- back over ground ring so as to evenly disperse pig-
ductors. tails through the (4) quadrants of the ring. Tie or
tape pigtails back to bundle, allowing for approx. 1/2
a. Temporarily assemble backshell to connector. inch of slack, for subsequent step.
b. Place ground ring, adapter, grommet, follower, and j. Push ground ring forward and into the angled area at
strain relief on the cable in sequence shown. Keep the rear of the backshell adapter. Engage rear,
these components at a convenient distance from the adapter and thread onto front adapter, providing the
end of the cable, so they will not interfere with subse- shield grounding.
quent assembly steps.
k. Slide rubber grommet forward into counter bore of
c. Insert cable or harness into backshell and bottom rear adapter, making sure the cable jacket passes
against connector. through grommet, slide follower onto rear of grom-
met.
d. Remove backshell from connector and place on cable
with items in step (b) above. l. Engage strain relief with adapter and tighten securely,
tighten strain relief saddles securely on cable or har-
e. Trim outer shield at mark made in step (c) above. ness, this will then provide the environmental seal
This procedure is for individually shielded conduc- on cable. (This same procedure can also be utilized
tors. for overall shield.)

f. Extract shield pigtail from individual conductor’s. Tape
or tie pigtails to the bundle. NOTE: As with any electrical connector assembly pro-
cedure, be sure to use the proper tools. For convenient,
g. Prepare and terminate contacts to individual conduc- reliable assembly of the connector and backshell, it is
tors in accordance with established practices. (Crimp suggested that Glenair’s connector holding tools, strap
or solder in place.) wrenches and connector pliers be used.

© 2005 Glenair, Inc. CAGE Code 06324 Printed in U.S.A.
GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX 818-500-9912
www.glenair.com Series 39 - Page 7 E-Mail: sales@glenair.com