3M 7684-S-8 Manual De Usuario

78-8117-0985-2 Rev C

3.3 Wrap ground braid around cable tape shield 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 4). Cinch (tighten) the

spring after wrapping the final winding.

3.4 Select 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 4). Cut off excess.

Tape Shield

Constant Force Spring

Ground Braid

Scotch

Mastic Strip 2230

Solder Block

Scotch

Mastic Strip 2230

Ground Braid Leg

Trim

Cable

Tape

Shield

Figure 4

3.5 Wrap two highly stretched half-lapped layers of electrical grade vinyl tape around mastic seal, constant force

spring and exposed tape shield (Figure 5).

NOTE: Take care not to cover exposed semi-con insulation shield. A minimum of 1" (25 mm) must be exposed.
SPECIAL NOTE FOR CLOTH OR PAPER SEMI-CON INSULATION SHIELD

In cables with cloth or paper semi-conductive shields, it is recommended the shield be over wrapped with one half-

lapped layer of highly stretched semi-conductive rubber tape such as Scotch

Electrical Semi-Conducting Tape 13.

Semi-Con

Constant

Force Spring

Two Half-Lapped Layers of Electrical Grade Vinyl Tape

Tape Shield

Scotch

Mastic Strip 2230

Vinyl Tape Marker

Figure 5