
408- 10205
SDE Commercial Hand Tool Assembly 2031676- 1
3of 5Rev BTyco Electronics Corporation
2. If adjustment is required, loosen the screw that
holds the contact support onto the locator
assembly.
The ratchet has detents that create audible clicks
as the tool handles are closed.
3. Place a contact with wire into the proper nest
and close the tool handles until the ratchet reaches
the sixth click, or until the contact support touches
the contact.
4. Slightly loosen the nut that holds the locator
assembly onto the tool frame.
5. Move the contact support as required to
eliminate the bending of the contact.
6. Tighten the nut and close the handles until the
ratchet releases.
7. Remove and inspect the contact.
8. Make another sample crimp. If the contact is
straight, tighten the contact support screw. If the
contact is still being bent during crimping, repeat
the adjustment procedure.
5. CRIMPING PROCEDURE
This tool is provided with a crimp adjustment
feature. Initially, the crimp height should be
verified as specified in Figure 3. Refer to Section
6, CRIMP HEIGHT INSPECTION, and Section 7,
RATCHET (Crimp Height) ADJUSTMENT, to
verify crimp height before using the tool to crimp
desired contacts and wire sizes.
Refer to the table in Figure 1 and select wire of the
specified size and insulation diameter. Strip the wire
to the length indicated in Figure 1, taking care not to
nick or cut wire strands. Select an applicable contact
and identify the appropriate crimp section according
to the wire size markings on the tool. Refer to
Figure 2 and proceed as follows:
1. Hold the tool so that the back (wire side) is
facing you. Squeeze tool handles together and
allow them to open fully.
2. Holding the contact by the mating end, insert the
contact through the front of the tool and into the
appropriate crimp section.
3. Position the contact so that the mating end of
the contact is on the locator side of the tool, and so
that the open “U” of the wire barrel faces the top of
the tool. Place the contact up into the nest so that
the movable locator drops into the slot in the
contact. Refer to Figure 2. Butt the front end of the
wire barrel against the movable locator.
Position Point on
Center of Wire
Barrel Opposite
Seam
Modified Anvil
“A”
Wire Size
(Max) mm2Crimp Section
(Wire Size Markings)
Crimp Height
Dimension “A”
1.5 1.5 1.52 +0.05 [.060 +.002]
1.0 1.0 1.37 +0.05 [.054 +.002]
0.75 0.75 1.29 +0.05 [.051 +.002]
0.50 0.35--0.50 0.99 +0.05 [.039 +.002]
Figure 3
Make sure that both sides of the wire barrel are
started evenly into the crimping section. Do NOT
attempt to crimp an improperly positioned
contact.
6. CRIMP HEIGHT INSPECTION
Crimp height inspection is performed through the use
of a micrometer with a modified anvil, commonly
referred to as a crimp--height comparator. Tyco
Electronics does not manufacture or market
crimp--height comparators. Detailed information on
obtaining and using crimp--height comparators can be
found in instruction sheet 408--7424.
Proceed as follows:
1. Refer to Figure 3 and select a wire (maximum
size) for each crimp section listed.
2. Refer to Section 5, CRIMPING PROCEDURE,
and crimp the contact(s) accordingly.
3. Using a crimp height comparator, measure the
wire barrel crimp height as shown in Figure 4. If the
crimp height conforms to that shown in the table,
the tool is considered dimensionally correct. If not,
the tool must be adjusted. Refer to Section 7,
RATCHET (Crimp Height) ADJUSTMENT.
7. RATCHET (Crimp Height) ADJUSTMENT
Although the ratchet is preset prior to shipment, it is
important to verify the crimp height using a
micrometer or caliper. General use and subsequent
wear may cause the tool to go out of adjustment. It is
recommended that crimp height be inspected, and the
ratchet be adjusted, if necessary, on a regular basis.
Refer to Figure 4, and proceed as follows:
NOTE
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NOTE
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CAUTION
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