408-8378 Datasheet, PDF (2/5 Pages) Tyco Electronics – Cumulative Trauma Disorders can result from the prolonged use ofmanually powered hand tools.

PRO- CRIMPER III Hand Crimping Tool Assembly 91337- 1
Locator
Nut
Assembly
408- 8378
Tool Frame
Chamfered
Edge (Typ)
Wire Crimper
Wire Anvil
Contact
Locator
Insulation
Crimper
Die Retaining
Pins (4)
Long Die Retaining
Screw
Markings Face
Outward (Typ)
Chamfered
Edge (Typ)
Insulation
Anvil
Figure 2
Short Die Retaining
Screw
Die retaining pins and die retaining screws are used
to position and secure the dies in the tool frame.
Attached to the outside of the frame is a locator
assembly, which contains a locator and contact
retainer. A nut is used on the upper die retaining
screw to hold the locator assembly in place.
3. INSTALLATION AND REMOVAL OF DIE ASSEMBLY
AND LOCATOR ASSEMBLY (Figure 2)
1. Open the tool handles, and remove the two die
retaining screws from the tool jaws.
2. Place the wire anvil and insulation anvil so that
the chamfered sides and marked surfaces face
outward, when mounted in the moving jaw of the
tool frame.
3. Insert two die retaining pins through the tool
frame and into the anvils.
4. Insert the short die retaining screw through the
jaw and through both anvil dies, and tighten the
screw just enough to hold the dies in place. Do not
tighten the screw completely at this time.
5. Place the wire crimper and insulation crimper so
that their chamfered sides and their marked
surfaces face outward, when mounted in the
stationary jaw of the tool frame.
6. Insert two die retaining pins through the tool
frame and into the crimpers.
7. Insert the long die retaining screw through the
jaw and through both crimper dies, and tighten the
screw just enough to hold the dies in place. Do not
tighten the screw completely at this time.
8. Carefully close the tool handles, making sure
that the anvils and crimpers align properly.
Continue closing the tool handles until the ratchet
in the tool frame has engaged sufficiently to hold
the anvils and crimpers in place, then tighten both
die retaining screws.
9. Place the locator assembly over the end of the
long die retaining screw. Position the locator
assembly against the side of the tool jaw.
10. Place the nut onto the end of the long screw
and tighten the nut enough to hold the locator
assembly in place, while still allowing the locator to
slide up and down.
11. To disassemble, close the tool handles until the
ratchet releases, remove the nut, the locator
assembly, the two die retaining screws, and the
four die retaining pins, and slide the anvils and
crimpers out of the tool jaws.
4. CRIMPING PROCEDURE
NOTE
i
This tool is provided with a crimp adjustment
feature. Initially, the crimp height should be
verified as specified in Section 5, CRIMP
HEIGHT INSPECTION, and Section 6,
RATCHET (Crimp Height) ADJUSTMENT, before
using the tool to crimp desired contacts.
2 of 5
Tyco Electronics Corporation
Rev A