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78-8127-6830-3-C

3.4

If cable includes a ground check, the ground check connector should be

wrapped with one half-lapped layer of 3M

™

Temflex

™

Electrical Vinyl Tape

1700P extending ¼" (6 mm) onto existing insulation, followed by a half-lapped

layer (

tacky side DOWN

) of Scotch

Linerless Rubber Splicing Tape 130C

extending ¼" (6 mm) past the 1700P tape, then using the same ¼" (6 mm)

overlap, add a final layer of half-lapped 1700P tape.

3.5

Connect remaining ground wires.

Figure 8

4.0 Replace Jacket

4.1

Start 1" (25 mm) above split or top of taper and apply half-lapped layers of

130C tape (

tacky side DOWN

) across splice and 1" (25 mm) past end of

opposite split or top of taper. Apply half-lapped layers, filling all voids until

splice area is returned to greater than or equal to original cable profile.

1" (25 mm)
past split or
top of taper

Scotch

Linerless

Rubber Splicing Tape 130C

Tacky Side DOWN

Figure 9

4.2

Start 2" (50 mm) from 130C tape and apply one half-lapped layer of Scotch

Heavy Duty Mining Tape 31 with mastic side toward the cable across the splice

and continue 2" (50 mm) past the end of the Scotch

Linerless Rubber Splicing

Tape 130C. Always wrap the 31 tape toward the machine end of the cable.

2" (50 mm)
past end of
previous layer

Scotch

Heavy Duty Mining Tape 31

(Mastic side toward cable)

Machine End

Start taping here

Figure 10

Содержание Litmann Quality 3100

Страница 1: ...G GC 3 or 4 Conductor Round Type W G or G GC 6 AWG 1 0 AWG 14 50 mm2 600 V 2 kV Cables up tp 500 kcmil 250 mm2 will require the use of additional tapes Mine Safety and Health Administration Acceptance P 07 KA080005 00 MSHA DANGER Before attempting any cable repairs make sure that the proper cable is disconnected locked out and suitably tagged CAUTION Working around energized systems may cause seri...

Страница 2: ...g And Cable Preparation 1 1 Square cut cable ends to be spliced 1 2 Split cable approximately 12 305 mm between phases 1 3 If using cable types G or G GC pull grounds and ground check conductors out and tape to cable jacket behind split 1 4 If using two conductor cable cut one lead approximately 6 150 mm from end of cable leave other conductor approximately 12 305 mm Cut corresponding conductors t...

Страница 3: ...or two parallel connector lengths from each phase end 1 7 Taper jacket approximately 1 25 mm Taper or bevel ends of insulation to conductor 1 8 Scuff and clean 4 100 mm of cable jacket beyond each taper or split end 1 9 Cut ground and ground check conductor to lie in between connections of phases 2 0 Install Connectors 2 1 Join conductors one at a time using proper connectors butt parallel or modi...

Страница 4: ...ide DOWN over 1700P tape and up onto tapers Build up half lapped layers of tape gradually going out on existing insulation 13 mm past top of tapers Tape should be wrapped to a thickness equal to or greater than the original insulation Scotch Linerless Rubber Splicing Tape 130C Tacky Side DOWN 13 mm past end of taper 13 mm past end of taper Figure 6 3 3 Starting 13 mm past end of 130C tape apply on...

Страница 5: ...s splice and 1 25 mm past end of opposite split or top of taper Apply half lapped layers filling all voids until splice area is returned to greater than or equal to original cable profile 1 25 mm past split or top of taper 1 25 mm past split or top of taper Scotch Linerless Rubber Splicing Tape 130C Tacky Side DOWN Figure 9 4 2 Start 2 50 mm from 130C tape and apply one half lapped layer of Scotch...

Страница 6: ...damaged cable jacket and taper jacket approximately 1 25 mm 5 2 Scuff and clean 3 75 mm of cable jacket beyond each split end Scuff Clean Scuff Clean 1 25 mm 1 25 mm 3 75 mm 3 75 mm Figure 12 5 3 Start 1 25 mm above split or top of taper and apply half lapped layers of Scotch Linerless Rubber Splicing Tape 130C tacky side DOWN to 1 25 mm past end of opposite split or top of taper Apply half lapped...

Страница 7: ...ward the machine end of the cable 2 50 mm past end of previous layer 2 50 mm past end of previous layer Scotch Heavy Duty Mining Tape 31 Mastic side toward cable Machine End Start taping here Figure 14 5 5 Starting 1 25 mm past the 31 tape apply 3 half lapped layers of 3M Temflex Vinyl Electrical Tape 1700P to each end to temporarily secure the ends of the 31 tape until the tape reaches full bond ...

Страница 8: ...Prepare Cable 6 1 Position cable ends so that conductor color rotation matches 6 2 Circle cut cable jacket approximately 12 305 mm from each end Be sure not to damage cable conductors 6 3 Measure approximately 14 355 mm from cable end and fully taper cable jacket down to circle cut Circle cut cable jacket 12 305 mm 14 355 mm Scuff Clean 4 100 mm Figure 17 6 4 Remove approximately 12 305 mm of cabl...

Страница 9: ...e so conductor twist will match original cable lay as much as possible 6 10 Take next conductor in rotation and cut approximately 6 150 mm from end 6 11 If present remove color code and or separator tape for length of phase 6 12 Remove insulation from ends of conductors for one half connector length if using butt splices or two connector lengths if using parallel splices 6 13 Pencil insulation for...

Страница 10: ...dge of taper NOTE Scotch Glass Cloth Tape 27 while not included may be used at this time 3M Temflex Electrical Vinyl Tape 1700P Figure 21 8 2 Apply half lapped layers of two thirds stretched Scotch Linerless Rubber Splicing Tape 130C tacky side DOWN over 1700P tape and up onto tapers Build up half lapped layers of 130C tape until equal to or greater than original and extending 13 mm onto existing ...

Страница 11: ...position in the valley between two power conductors Cut ground to lengths staggered to avoid connection over power conductor connections 9 3 Join conductors with proper connectors and appropriate crimping tool 9 4 If present connect the ground check conductor after trimming to proper length and removing one connector length of insulation from each lead Use proper connector and crimping tool 9 5 Fo...

Страница 12: ...5 mm past end of taper Figure 25 10 2 Start 2 50 mm beyond 130C tape wrap one half lapped layer of Scotch Heavy Duty Mining Tape 31 with mastic side toward the cable extending 2 50 mm beyond the 130C tape on the opposite end Always wrap the 31 tape toward the machine end of the cable 2 50 mm past end of previous layer 2 50 mm past end of previous layer Scotch Heavy Duty Mining Tape 31 Mastic side ...

Страница 13: ...t end Scuff Clean 4 100 mm Scuff Clean 4 100 mm 2 50 mm 2 50 mm Figure 28 11 3 Starting half way up the tapers wrap half lapped layers of Scotch Linerless Rubber Splicing Tape 130C tacky side DOWN building up and across the splice until 130C tape is equal to or greater than original jacket thickness and extends 1 25 mm past the top of jacket tapers Scotch Linerless Rubber Splicing Tape 130C Tacky ...

Страница 14: ...t end of previous layer Scotch Heavy Duty Mining Tape 31 Mastic side toward cable Machine End Start taping here Figure 26 11 5 Starting 1 25 mm past the 31 tape apply 3 half lapped layers of 3M Temflex Electrical Vinyl Tape 1700P to each end to temporarily secure the ends of the 31 tape until the tape reaches full bond 1 25 mm 1 25 mm 3M Temflex Vinyl Electrical Tape 1700P Figure 27 12 0 For Condu...

Страница 15: ...conduit cut or repair location 4 102 mm 4 102 mm Scotch Heavy Duty Mining Tape 31 Figure 29 12 5 Starting 1 25 mm past the 31 tape apply 3 half lapped layers of 3M Temflex Vinyl Electrical Tape 1700P to each end to temporarily secure the ends of the 31 tape until the tape reaches full bond 1 25 mm 1 25 mm 3M Temflex Vinyl Electrical Tape 1700P Figure 30 ...

Страница 16: ... an authorized officer of 3M 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 IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE If this product is defective within the warranty period stated above your exclusive remedy shall be at 3...

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