Page 271 - Circular Connector Backshells and Accessories

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

ASSEMBLY INSTRUCTIONS 39-E

TYPE E SHIELD TERMINATION

Strain
Follower Relief
Grommet
Adapter
Ground Rings
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 E shield termina-
tion). It is recommended that trial samples of appropri- i. Remove tape or untie pigtails from bundle. Slide
ate cables or harnesses be used to determine proper ground rings (2) forward to flared-out pigtails. Fold
trim dimensions of the outer shield and individual con- pigtails back over ground ring (2) tie back to bundle
ductors. This procedure is for the three ring style. leaving about 1/2” to 1” slack.
a. Temporarily assemble backshell to connector. j. Bring ground ring (3) for overall braid, fold braid back
over ring (3), push forward onto ring (2). Slide ground
b. Place ground rings, adapters, grommet, follower, and ring (4) onto overall braid and onto ring (3). . . push
strain relief on the cable in sequence shown. Keep all three rings forward into the counter bore at the
these components at a convenient distance from the rear of backshell (1). Engage rear, adapter and thread
end of the cable, so they will not interfere with subse- onto front adapter, providing the shield grounding.
quent assembly steps.
k. Slide rubber grommet forward into counter bore of
c. Insert cable into backshell and bottom against con- rear adapter, making sure the cable jacket passes
nector. Hold cable in position and mark outer shield through grommet, slide follower onto rear of grom-
at rear end of backshell adapter. met.

d. Remove backshell from connector and place on cable l. Engage strain relief with adapter and tighten securely,
with items in step (b) above.
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 9 E-Mail: sales@glenair.com