Harwin Gecko User Manual
General information, Tool preparation
GECKO HAND CRIMP TOOL Z125-900
This Hand Crimp Tool has been designed for use with the following Gecko Crimp Contacts (when used with Positioner
G125-00100XX ..................... Large bore Female crimp contact for 26 AWG wire
G125-00200XX ..................... Small bore Female crimp contact for 28-32 AWG wire
G125-10100XX ..................... Large bore Male crimp contact for 26 AWG wire
G125-10200XX ..................... Small bore Male crimp contact for 28-32 AWG wire
The Hand crimp tool Z125-900 consists of a basic hand tool, which should be used with a positioner.
The contact is correctly crimped when the tool is free to open at the fully closed position, i.e., when the ratchet
releases. The tool cannot be opened without completing the cycle.
Check that the tool is in the open position. Remove the safety clip from the positioner locator (do not discard).
Insert the Positioner into the positioner locator and turn it 90° in the direction shown on the tool, until the
bayonet pins lock.
Install the safety clip back into the positioner locator (optional).
Check Table 1 for the correct crimp tool setting of the wire size you wish to crimp.
Remove the safety clip from the selector knob (do not discard).
Lift and turn the selector knob until the correct crimp tool setting is lined up with the “Sel. No.” arrow. Lower
the selector knob, ensuring the locating peg lines up with a notch.
Install the safety clip back into the selector knob.
Harwin North America
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IS‐37 Issue: 2 Date: 11.03.14 C/Note: 12412
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