3M 7684-S-8 Constant Force Spring, Trim, Shield Wires, Ground Braid Leg, 1 1/2, 38 mm, Semi-Con

Models: 7684-S-8

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Constant Force Spring

8.3Wrap ground braid around cable shield wires one complete wrap, trim excess to prevent overlap and secure in place with constant force spring. Wrap spring in same direction as ground braid (Figure 12). Cinch (tighten) the spring after wrapping the final winding.

8.4Select second Scotch® Mastic Strip 2230 from kit and remove white release liners. Apply a second single wrap of mastic over solder block on ground braid and previously applied mastic (Figure 12). Cut off excess.

Constant Force Spring

Trim

Shield Wires

 

Ground Braid

 

1ST Scotch® Mastic Strip 2230

Cable

Solder Block

Wire

Shield

2ND Scotch® Mastic Strip 2230

 

 

Ground Braid Leg

Figure 12

8.5Wrap two highly stretched half-lapped layers of electrical grade vinyl tape around mastic seal, constant force spring and exposed shield wires (Figure 13).

NOTE: Take care not to cover exposed semi-con insulation shield. A minimum of 1" (25 mm) must be exposed.

1 1/2

(38 mm)

Semi-Con

 

Shield Wires

 

Constant Force Spring

 

Two Half-Lapped Layers of Electrical Grade Vinyl Tape

Scotch® Mastic Strip 2230

 

Vinyl Tape Marker

 

Figure 13

10

78-8117-0985-2 Rev C

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3M 7684-S-8 manual Constant Force Spring, Trim, Shield Wires, Ground Braid Leg, 1 1/2, 38 mm, Semi-Con, Scotch Mastic Strip