3M Cold Shrink QT-III 7620-S-INV-3G Series, Instructions Manual

Page 1: ...kV BIL 7620 S INV 3G Series 200 kV BIL 7690 S INV 3G Series F CAUTION Working around energized systems may cause serious injury or death Installation should be performed by personnel familiar with goo...

Page 2: ...2 1 Roll Scotch Electrical Shielding Tape 3 3M EMI Copper Foil Shielding Tape 1181 Strips 1 2 x 10 1 3M Cable Cleaning Preparation Kit CC 2 1 Instruction Sheet NOTE Do Not use knives to open plastic b...

Page 3: ...vary according to specific installation and equipment design requirements They must therefore be determined by the installer and must conform to accepted engineering practices Max phase length 4 ft 12...

Page 4: ...as shown Figure 2 Wrap short center ground braid tail around metallic shield of first cable core Trim excess braid length to prevent overlap Figure 2 Secure ground braid to cable metallic shield using...

Page 5: ...acket material Cut a straight piece to dimension J and wrap it around cable phases beneath ground strap assembly and cable ground wire Secure jacket section in place using Scotch Vinyl Electrical Tape...

Page 6: ...Secure ground braid assembly to cable armor using large constant force spring Figure 4 Once spring has been applied cinch twist with hand to tighten 3 7 Apply one half lapped layer vinyl tape over lar...

Page 7: ...3 5 mm Figure 5 3 9 Loop cable ground wire back over armor Figure 6 Adjust ground wire position over cable jacket to run parallel with tail of ground braid assembly Note Do not make sharp or tight ben...

Page 8: ...er Ground Wire Shield Braid Tail Figure 8 3 12 Separate ground wire strands over strips of Scotch Mastic Strip 2230 as shown in Figure 9 Hint Directly over the mastic seal strips lift and bend the gro...

Page 9: ...cket Note Avoid crossing individual wires at mastic seal location Scotch Mastic Strip 2230 Over Solder Block Section Scotch Mastic Strip 2230 Over Ground Wire Strands Wide Vinyl Tape Scotch Mastic Str...

Page 10: ...overlap ground wire seal area by approximately 1 4 6 mm To install pull loose core end while unwinding counterclockwise around the cable Figure 12 3 17 Bind cable ground wire and ground braid tail to...

Page 11: ...oo far such that boot fingers begin to collapse 4 3 Hold loose neck end core ribbon to one side so that it can not become trapped between cable phases Slide boot assembly over cable end guiding indivi...

Page 12: ...the chart below determine the correct A dimension for the termination being installed Kit Number Dimension A 7620 S 2 INV 3G 6 25 159 mm 7621 S 2 INV 3G 6 25 159 mm 7622 S 2 INV 3G 8 5 216 mm 7693 S...

Page 13: ...g back on itself for 1 0 25 mm Figure 17 and trim off exposed polyester braid Note Do not damage silicone tubing while cutting Sleeve assembly may be rotated to ease trimming When doing so rotate in t...

Page 14: ...B C D Rejacketing Sleeve Figure 18 Kit Number Dimension A Dimension B Dimension C Dimension D 7620 S 2 INV 3G 6 25 159 mm Lug growth 1 5 38 mm 0 75 19 mm 7621 S 2 INV 3G 6 25 159 mm Lug growth 2 5 64...

Page 15: ...lic shield and return to starting point Note Do not exceed 0 25 6 mm overlap on 3M EMI Copper Foil Shielding Tape 1181 strip 0 75 19 mm 0 25 6 mm Electrical Grade Vinyl Tape Rejacketing Sleeve Figure...

Page 16: ...to the strands Immediately insert conductor into terminal lug barrel as far as it will go b Ensure that each lug face is parallel to equipment bushing or lug connection interface Figure 22 Last Crimp...

Page 17: ...ue unwinding the core DO NOT PULL OR PUSH ON THE TERMINATION ASSEMBLY WHILE UNWINDING THE CORE e Remove the installation marker tape Termination Base Aligned With Marker Tape Edge Marker Tape White Co...

Page 18: ...Warranty Limited Remedy Limited Liability This product will be free from defects in material and manufacture at the time of purchase 3M MAKES NO OTHER WARRANTIES INCLUDING BUT NOT LIMITED TO ANY IMPLI...