Instruction/ maintenance manual of the product 7684-S-8 3M
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3M ™ C old Shrink QT - II I Si licone R ub b e r Sk ir ted T ermination K it With Hi gh-K Stress R el i ef Fo r T ap e Shield ed, W ire S hielde d a nd U niS hield ® Ca ble 7 68 4-S -8 Ins tr uc tions IEEE Std. No. 48 Class 1 T ermination 35 kV Class 200 kV BIL F CAUTION Working around energized systems may cause serious injury or death.
2 78-81 17-0985-2 Rev C 1.0 Kit Contents 3 High-K, T racking Resistant, Silicone Rubber T erminations 3 Preformed Ground Braids 3 Constant Force Springs 3 3M™ EMI Copper Foil Shielding T ape 1 181 S.
78-81 17-0985-2 Rev C 3 Instruc tions For T a pe Shielded Ca ble 2.0 Pr epare Cable 2.1 Check to be sure cable size fits within kit size range as shown in T able 1 (page 2). 2.2 Prepare cable using dimensions shown in Figure 1. Be sure to allow for depth of terminal lug.
4 78-81 17-0985-2 Rev C 3.0 Install Ground Br aid 3.1 Select a Scotch® Mastic Strip 2230 from kit and remove white release liners. Using light tension, apply a single wrap of mastic around the cable jacket 1/4" (6 mm) from cut edge (Figure 2). Cut off excess.
78-81 17-0985-2 Rev C 5 3.3 W rap ground braid around cable tape shield one complete wrap, trim excess to prevent overlap and secure in place with constant force spring. W rap spring in same direction as ground braid (Figure 4). Cinch (tighten) the spring after wrapping the final winding.
6 78-81 17-0985-2 Rev C 4.0 Install Lug or Connector 4.1 Check to insure 3M™ Cold Shrink QT -III Silicone Rubber T ermination assembly fits over the selected lug or connector . If lug or connector (Figure 6) will not fit through the termination core, clean the insulation (per Step 5.
78-81 17-0985-2 Rev C 7 6.0 Install T er mination 6.1 Slide the termination body onto the cable and remove core. Pull while unwinding, counter-clockwise, starting with the loose end (Figure 7). Make sure the termination body (not the core) is butted up to the edge of the vinyl tape marker previously applied (Figure 7).
8 78-81 17-0985-2 Rev C In structions fo r Wire Sh iel ded Ca ble 7.0 Prepare Cable 7.1 Check to be sure cable size fits within kit size range as shown in T able 1 (page 2). 7.2 Prepare cable using dimensions shown in Figure 8 and 9. Refer to T able 3 for semi-con cutback dimension.
78-81 17-0985-2 Rev C 9 8.0 Install Ground Braid 8.1 Select a Scotch® Mastic Strip 2230 from kit and remove white release liners. Using light tension, apply a single wrap of mastic around the cable jacket 1/4" (6 mm) from cut edge (Figure 10). Cut off excess.
10 78-81 17-0985-2 Rev C 8.3 W rap ground braid around cable shield wires one complete wrap, trim excess to prevent overlap and secure in place with constant force spring. W rap spring in same direction as ground braid (Figure 12). Cinch (tighten) the spring after wrapping the final winding.
78-81 17-0985-2 Rev C 11 9.0 Install Lug or Connector 9.1 Check to insure 3M™ Cold Shrink QT -III Silicone Rubber T ermination assembly fits over the selected lug or connector . If lug or connector (Figure 14) will not fit through the termination core, clean the insulation (per Step 10.
12 78-81 17-0985-2 Rev C 11.0 Install T er mination 1 1.1 Slide the termination body onto the cable and remove core. Pull while unwinding, counter-clockwise, starting with the loose end (Figure 15). Make sure the termination body (not the core) is butted up to the edge of the vinyl tape marker previously applied (Figure 15).
78-81 17-0985-2 Rev C 13 Ins t ru c t ion s for U niS hield ® Shielde d Cable 12.0 Prepare Cable 12.1 Check to be sure cable size fits within kit size range as shown in T able 1 (page 2). 12.2 Prepare cable using dimensions shown in Figure 16, 17 and 18.
14 78-81 17-0985-2 Rev C 12.4 Remove constant force spring. Carefully bend shield wires back upon cable jacket 1 1/2" (38 mm). Cut excess shield wire and discard (Figure 17). 1 1/2 (38 mm) Semi-Conductive Ja ck et F old Back Shield Wires Depth of T er minal Lug + Growth All ow ance [A] + 3” (76 mm) Figure 17 12.
78-81 17-0985-2 Rev C 15 13.0 Install Ground Braid 13.1 Select a Scotch® Mastic Strip 2230 from kit and remove white release liners. Using light tension, apply a single wrap of mastic around the cable semi-conductive jacket 1/4" (6 mm) from shield wires ( Figur e 19 ).
16 78-81 17-0985-2 Rev C 13.3 W rap ground braid around cable shield wires one complete wrap, trim excess to prevent overlap and secure in place with constant force spring. W rap spring in same direction as ground braid (Figure 21). Cinch (tighten) the spring after wrapping the final winding.
78-81 17-0985-2 Rev C 17 14.0 Install Lug or Connector 14.1 Check to insure 3M™ Cold Shrink QT -III Silicone Rubber T ermination assembly fits over the selected lug or connector . If lug or connector (Figure 23) will not fit through the termination core, clean the insulation (per Step 15.
18 78-81 17-0985-2 Rev C 16.0 Install T er mination 16.1 Slide the termination body onto the cable and remove core. Pull while unwinding, counter-clockwise, starting with the loose end (Figure 24). Make sure the termination body (not the core) is butted up to the edge of the vinyl tape marker previously applied (Figure 24).
78-81 17-0985-2 Rev C 19 T ooling Index Lug and Crimping Information for 3M™ Scotchlok™ Copper Lugs 30014 thru 30045 One hole 31036 thru 31068 One hole-long barrel Cable Size AWG/ kcmil Stud Size (in.
20 78-81 17-0985-2 Rev C T ooling Index Lug and Crimping Information for 3M™ Scotchlok™ Copper/Aluminum Lugs 40016 thru 40079 One hole 40132 thru 40178 T wo hole Cable Size AWG/ kcmil Stud Size (in.) 3M™ Scotchlok ™ Lug Number Crimping T ool-Die Sets (Minimum Number Of Crimps) Burndy Corporation Thomas & Betts Corporation Square D Co.
78-81 17-0985-2 Rev C 21 T ooling Index Crimping Information for 3M™ Stem Connectors Copper/Aluminum Conductor Size AWG & kcmil 3M™ Connec - tor Number Crimping T able For 3M™ Stem T ype Connector Recommended Crimping T ools Stranded Solid Manufacturer Mech.
3M, Scotch and Scotchlok are trademarks of 3M Company . UniShield is a registered trademark of General Cable T echnologies Corporation. Important Notice All statements, technical information, and recommendations related to 3M's products are based on information believed to be reliable, but the accuracy or completeness is not guaranteed.
An important point after buying a device 3M 7684-S-8 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought 3M 7684-S-8 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data 3M 7684-S-8 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3M 7684-S-8 you will learn all the available features of the product, as well as information on its operation. The information that you get 3M 7684-S-8 will certainly help you make a decision on the purchase.
If you already are a holder of 3M 7684-S-8, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime 3M 7684-S-8.
However, one of the most important roles played by the user manual is to help in solving problems with 3M 7684-S-8. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3M 7684-S-8 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
