408-8678 Datasheet, PDF (2/6 Pages) TE Connectivity Ltd – Read these instructions thoroughly before using the tool assembly.

Stationary Jaw
Indenters
Upper Die
408-8678
Die Retaining
Screws
Lower Die
Anvils
Figure 2
This document supersedes Instruction Sheet
408-4047.
Reasons for reissue of this instruction sheet are
provided in Section 8, REVISION SUMMARY.
2. DESCRIPTION (See Figures 1 and 2)
The tool consist of a stationary jaw and handle, a
moving jaw and handle, and an adjustable ratchet that
ensures full crimping.
The tool frame holds a die assembly with three
crimping chambers. The die assembly features an
upper die and a lower die. Die retaining screws are
used to position and secure the dies in the tool frame.
3. DIE ASSEMBLY INSTALLATION AND REMOVAL
1. Open the tool handles and remove the two die
retaining screws from the tool jaws.
2. Place the upper die in the stationary jaw of the
tool frame so that the largest indenter is facing
inward. See Figure 2.
3. Insert the die retaining screw through the
stationary jaw and through the die. Tighten the
screw just enough to hold the die in place. Do not
tighten the screw completely at this time.
4. Place the lower die in the moving jaw of the tool
frame so that the largest anvil is facing inward. See
Figure 2.
5. Insert the die retaining screw through the moving
jaw and through the die. Tighten the screw just
enough to hold the die in place. Do not tighten the
screw completely at this time.
6. Carefully close the tool handles, making sure that
the anvils and indenters align properly. Continue
closing the tool handles until the ratchet has
engaged sufficiently to hold the dies in place, then
tighten both die retaining screws.
7. To disassemble, open the tool handles until the
ratchet releases, remove the two die retaining
screws, and slide the dies out of the tool jaws.
4. CRIMPING PROCEDURE
NOTE
i
Before using the tool, the crimping chambers and
tool ratchet should be inspected as specified in
Section 5, CRIMP HEIGHT INSPECTION, and
Section 6, RATCHET (Shut Height) ADJUSTMENT.
Refer to Figure 1 and select wire of the specified size
and insulation diameter. Strip the wire to the length
indicated, taking care not to nick or cut wire strands.
Select an applicable terminal or splice and identify the
appropriate crimping chamber according to the wire
size markings on the dies. Refer to Figure 3 and
proceed as follows:
NOTE
i
The crimping chamber marked “12-10” cannot be
used to crimp spade-type terminals.
1. Hold tool so that the back (wire side) is facing
you. Squeeze tool handles together until the ratchet
releases, then allow them to open fully.
2. Center the terminal or splice wire barrel on the
anvil of the upper die as shown in Figure 3. If
visible, be sure to place the brazed seam on the
terminal or splice toward the indenter.
Rev E
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