TM 5-3805-298-23-2
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HEAT-SHRINKABLE TUBING (ELECTRICAL INSULATING SLEEVING)
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Use heat-shrinkable tubing to insulate soldered and crimped electrical connections.
1. Cut length of new heat-shrinkable tubing twice as long as connection to be covered.
2. Slide heat-shrinkable tubing onto wire before making electrical connection.
3. After making electrical connection, slide heat-shrinkable tubing into place over electrical connection.
WARNING
Do not touch heat-shrinkable tubing for at least 30 seconds after heating. Heat-shrinkable
tubing is hot and will cause burns.
Failure to follow this warning may cause injury to personnel.
4. Use a heat source to apply heat to heat-shrinkable tubing. Apply heat for approximately 30 seconds or until
tubing forms to shape of electrical connection.
END OF TASK
RING TERMINAL REPAIR
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1. Remove ring terminal (Figure 11, Item 6) from wire (Figure 11, Item 2) by cutting through wire just
behind heat-shrinkable tubing (Figure 11, Item 1).
2. Cut heat-shrinkable tubing (Figure 11, Item 1) to length sufficient to cover tabs (Figure 11, Items 4 and 5) of ring
terminal (Figure 11, Item 6) and 1/4 in. (6 mm) of wire (Figure 11, Item 2).
3. Slide heat-shrinkable tubing (Figure 11, Item 1) back on wire (Figure 11, Item 2).
4. Using wire stripping tool, strip insulation from wire (Figure 11, Item 2) to expose proper length of metal strands
(Figure 11, Item 3).
5. Using crimping tool, securely crimp tabs (Figure 11, Item 5) of ring terminal (Figure 11, Item 6) over metal
strands (Figure 11, Item 3).
6. Using crimping tool, crimp tabs (Figure 11, Item 4) of ring terminal (Figure 11, Item 6) over insulation of wire
(Figure 11, Item 2).
7. Slide heat-shrinkable tubing (Figure 11, Item 1) over tabs (Figure 11, Items 4 and 5) of ring terminal
(Figure 11, Item 6).
8. Use a heat source to apply heat to heat-shrinkable tubing (Figure 11, Item 1) until tubing snugly conforms to
ring terminal (Figure 11, Item 6) and insulation of wire (Figure 11, Item 2).
Figure 11. Ring Terminal Repair.
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END OF TASK
