3Mメーカー7620-T-95の使用説明書/サービス説明書
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3M ™ Cold Shrink QT -III Silicone Rubber Indoor T er mination Kit With High-K Stress Relief For T ape Shielded, Wire Shielded and UniShield ® Cable 7620-T -95 Instructions IEEE Std. No. 48 Class 1 T ermination 5/8 kV Class 95 kV BIL F CAUTION W orking around energized systems may cause serious injury or death.
2 78-81 13-5098-8 Rev F 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 18.
78-81 13-5098-8 Rev F 3 Instructions For T ape Shielded Cable 2.0 Prepare Cable 2.1 Check to be sure cable size fits within kit range as shown in T able 1 . 2.2 Prepare cable using dimensions shown in Figur e 1 . BE SUR E TO A LLO W FOR D EPTH OF T ER MI NAL LUG .
4 78-81 13-5098-8 Rev F 3.0 Install Ground Braid 3.1 Position pre-formed ground braid with short tail over tape shield directly adjacent to cable jacket cut edge.
78-81 13-5098-8 Rev F 5 3.4 W rap two highly stretched half-lapped layers of electrical grade vinyl tape around Scotch ® Mastic Strip 2230, constant force spring and exposed tape shield ( Figur e 4 ). NOTE: T ake care not to cover exposed semi-con insulation shield.
6 78-81 13-5098-8 Rev F 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 ( Figur e 6 ). Make sure the termination body (not the core) is butted up to the edge of the vinyl tape marker previously applied ( Figur e 6 ).
78-81 13-5098-8 Rev F 7 Instructions for Wire Shielded Cable 7.0 Prepare Cable 7.1 Check to be sure cable size fits within kit range as shown in T able 1 . 7.2 Prepare cable using dimensions shown in Figur e 7 and Figur e 8 . BE SURE TO ALLOW FOR DEPTH OF TERMINAL LUG.
8 78-81 13-5098-8 Rev F 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 ( Figur e 9 ).
78-81 13-5098-8 Rev F 9 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 ( Figur e 1 1 ). Cinch (tighten) the spring after wrapping the final winding.
10 78-81 13-5098-8 Rev F 9.0 Install Lug or Connector 9.1 Check to insure the 3M ™ Silicone Rubber T ermination QT–III assembly fits over the selected lug or connector . If lug or connector ( Figur e 13 ) will not fit through the termination core, clean the insulation ( per Step 10.
78-81 13-5098-8 Rev F 11 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 ( Figur e 14 ). Make sure the termination body (not the core) is butted up to the edge of the vinyl tape marker previously applied ( Figur e 14 ).
12 78-81 13-5098-8 Rev F Instructions for UniShield ® Shielded Cable 12.0 Prepare Cable 12.1 Check to be sure cable size fits within kit range as shown in T able 1 . 12.2 Prepare cable using dimensions shown in Figur e 15 . BE SUR E TO A LLO W FOR D EPTH OF T ER MI NAL LUG .
78-81 13-5098-8 Rev F 13 12.5 Remove semi-conductive jacket to dimension shown in Figur e 17 . NOTE: T o ease jacket removal, install constant force spring as shown in Figure 17 and ring cut 80% through jacket. Remove jacket sections by pulling against constant force spring.
14 78-81 13-5098-8 Rev F 13.2 Position pre-formed ground braid with short tail directly over cut edge of folded back shield wires. Position long tail of ground braid, extending over cable semi-conductive jacket with solder block over mastic strip ( Figur e 19 ).
78-81 13-5098-8 Rev F 15 13.5 W rap two highly stretched half-lapped layers of electrical grade vinyl tape around mastic seal, constant force spring and exposed shield wires ( Figur e 21 ). NOTE: T ake care not to cover exposed semi-con insulation shield.
16 78-81 13-5098-8 Rev F 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 ( Figur e 23 ). Make sure the termination body (not the core) is butted up to the edge of the vinyl tape marker previously applied ( Figur e 23 ).
78-81 13-5098-8 Rev F 17 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.
18 78-81 13-5098-8 Rev F 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.
78-81 13-5098-8 Rev F 19 T ooling Index Crimping Information for 3M ™ Stem Connectors Copper/Aluminum Conductor Size AWG & kcmil 3M ™ Connector Number Crimping T able For 3M ™ Stem T ype Connector Stranded Solid Recommended Crimping T ools Manufacturer Mech.
3M, Scotch and Scotchlok are trademarks of 3M Company . UniShield is a 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.
デバイス3M 7620-T-95の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
3M 7620-T-95をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこには3M 7620-T-95の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。3M 7620-T-95の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。3M 7620-T-95で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
3M 7620-T-95を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又は3M 7620-T-95の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、3M 7620-T-95に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわち3M 7620-T-95デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
