Ewis Essay Flashcards
Why must you take great care when removing connector contacts
As the internal mechanism of the connector is easily damaged
What direction are connector contacts inserted from
The rear
2 general systems for removal of connector contacts
Rear release system
Front release system
What tool do you use for a Rear release contact insertion
Use coloured side of rear release contact tool.
What tool do you use for a Rear release contact removal
White side of the Rear release contact tool
Types of crimping tool
MS 3191-1
MS 3191-4
What tool is the MS 3191-1
3 separate turrets
Each size has its own colour
Needs a locator to position contact in the correct position
What tool is the MS 3191-4
1 multiple locator turret
Turret attached by 2 Allen screws
Rotate turret to the right colour for the correct size and push in to engage
Select the correct wire size on the selector knob
What are the 3 colours on a crimp tool
Red - 20
Blue - 16
Yellow - 12
SWPM
Standard Wire Practices Manual
ESPM
Electrical Standard Practices Manual
What must the wire instillation not do
Not come into contact with the crimp barrel. You need a small gap to allow for flexibility
When does a crimp tool need gauging
Every 1000 and 2000 crimps
At 3000 crimps it needs a gauging and specimen
Tool not regularly used should be checked every 12 months
What should you ensure when crimping
All strands are inside the crimp barrel
End of each conductor is bottomed in the crimp barrel
Conductors are visible through the inspection hole
When can filler wires be used
To increase the outside diameter for large contact sizes
