CHASSIS REPAIR.

T.O. 31W2-2GSC24-2

TM 11-5805-688-14-1

NAVELEX 0967-LP-545-3010

with the backplane wiring assembly are repaired in

pliers and pull contact from connector.

accordance with existing depot and special maintenance

activity practices. The tools used for such repair are

NOTE

included in the connector repair tool set listed in table 6-

Replacement contacts have slightly larger

barbs than the original contacts. The larger

6-67. Repair card receptacle connectors located on

barbs compensate for material removed

the backplane wiring assembly by replacing individual

from the insulator cavity during removal of

contacts as follows:

the original contact. The part number of

the replacement contact is 030-7311-003.

NOTE

In the following procedures, it is assumed

6. Insert replacement contact tail first into

that the backplane wiring assembly has

insulator cavity from the engaging side of insulator until

been previously removed from the

contact bottoms in cavity.

multiplexer set chassis as prescribed in

paragraph 6-76.

Select a flat clean work surface, preferably

of metal.

When installing a contact, ensure that the

holding pressure exerted on the pliers is

2. Position backplane assembly with affected

sufficient to hold the contact securely. If

connector supported above work surface on square or

the jaws of the pliers are allowed to slip on

rectangular metal bars and with contact tails facing

the surface of the contact, removal of

upward as shown in figure 6-14. Use bars whose

contact plating may occur.

dimensions will allow a minimum clearance of 1 inch

between connector and work surface.

7. Using needle-nose pliers, grasp tail of

contact near its end and pull contact until it is properly

Position a small nail set or other tool with a

located within the insulator. The contact will be felt to

cupped point vertically over tail of connector pin being

snap into place when it is fully seated within the insulator

replaced (figure 6-14).

cavity.

4. Tap nail set with a mediumweight hammer

6-68.

CHASSIS REPAIR.

until contact falls free or, in the case of a power or

ground contact, until contact is loosened from its

6-69. GENERAL. The multiplexer set chassis is

normally installed position.

equipped with items such as captive screws, feed-thru

terminals, and clinch nuts, which are installed in a

5. If the contact is retained by a ground

semipermanent manner. Although these items are not

bushing in the backplane or voltage bus bar, grasp the

intended to be replaced frequently, damage resulting

tail end of contact with needle-nose pliers and push

from abnormal transportation, operation, or maintenance

contact until its engaging end emerges from connector

practices may necessitate their replacement.

insulator. Then grasp engaging end of contact with the

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