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1. INTRODUCTION
SDE-SA Commercial Hand Tool Assembly 2378733-1 for the .187 Positive Lock contacts is the tool and die set
shown in Figure 1. The tool consists of the SDE-SA Frame Assembly 9-1478240-0 (instruction sheet 408-8851)
and the die assembly listed in Figure 1. This tool is used to crimp the terminal part numbers listed in Table 1.
Crimp tooling
SDE-SA
Die assembly
tool
only
2378733-1
2378733-2
NOTE
Dimensions in this instruction sheet are in millimeters with [inches in brackets]. Figures are for reference only and are not
drawn to scale.
Read these instructions thoroughly before crimping connectors.
2. DESCRIPTION
The tool frame features two jaws, a handle, a ratchet adjustment wheel, and an emergency ratchet release.
The die set consists of a crimper (upper die) and an anvil (lower die). The tool frame holds a die assembly with
two crimping chambers (see Figure 1). Die-retaining pins and die-retaining screws are used to secure the dies
in the tool frame.
The tool features a ratchet and an adjustment wheel with a range of settings. The ratchet ensures that the tool
has completed the cycle and does not release until the handles have been fully closed, unless the emergency
ratchet release is rotated to manually release the ratchet. The adjustment wheel controls the amount of handle
pressure exerted on the dies during the crimping procedure.
CAUTION
The dies bottom before the ratchet releases. This feature ensures maximum tensile performance of the crimp. Do not re-
adjust the ratchet unless you have verified that the crimp height is incorrect (see section 8, ADJUSTING THE RATCHET).
Rev A
Table 1: Crimping specifications
Cable
Terminal
P/N
Wire size
2
mm
[AWG]
[20]
170330
[24-22]
Wire insulation mm [in.]
Number of
Diameter
conductors
2.00-2.70 [.079-.106]
1
1.50-1.90 [.059-.075]
408-35289
Strip length
4.5±0.5[.177±.02]
2 of 8
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