Manuale d’uso / di manutenzione del prodotto 7620-T-95 del fabbricante 3M
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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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il 3M 7620-T-95 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del 3M 7620-T-95 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3M 7620-T-95 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3M 7620-T-95 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3M 7620-T-95, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del 3M 7620-T-95.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il 3M 7620-T-95. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3M 7620-T-95 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
