3M 3100 - Page 14

14 78-8127-6830-3-C
11.4 Start 2" (50 mm) beyond Scotch
®
Linerless Rubber Splicing Tape 130C, 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 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 Conduit Repair and Splicing
12.1 If splicing, cut conduit at 30–45° angle.
30–45°
Figure 28
12.2 Clean and abrade conduit surface.
12.3 Fill voids using 130C tape.