1 5-21-15 TI179-93-1
CONNECTOR ASSEMBLY TOOLING
612179 7-STEP ADJUSTABLE CRIMP TOOL
MS 3191-4 (NSN 5120-00-921-5769)
GENERAL
The Astro Tool 612179 7-step crimp tool is a cycle
controlled, precision crimp tool capable of crimping
wire barrel sizes 12 to 20.
Observe the precision ratchet action by opening and
closing the tool several times. Note that the tool cannot
be opened without fully completing the crimp cycle.
When held, the tool fits your hand for less fatiguing one
hand operation.
BASIC TOOL OPERATION
NOTE: For proper crimping, the Basic Tool must be
used with an appropriate Positioner or Turret Assembly.
1. Select the proper Positioner or Three Position
Turret Assembly for the contact to be crimped.
2. Attach the head to the turret ring on the tool using
the captive socket head cap screws. A 9/64 hex wrench
is required. Verify that the guide pin is properly located
prior to tightening the cap screws. The turret will need
to be in the "un-locked" position before attaching to the
tool.
3. Select the appropriate insert from the color coded
data plate on the side of the Turret. Turn the knurled
knob until the color coded position is aligned with the
index mark. Depress the turret until it locks into
position.
4. Consult the Data Plate for correct selector setting.
Remove the Safety Clip, raise and rotate the Red
Adjustment Knob until the indicator is in line with the
correct selector number. Release the Adjustment Knob.
The tool is now ready to crimp.
5. Insert the wire and contact through the Indenter
Opening and into the Positioner Assembly. Squeeze the
handles until the Tool comes to a positive stop. Release
the handles and the tool will return to the full open
position.
6. Remove the completed crimped assembly.
CAUTION:
Do not press down on the wire during the crimp cycle.
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