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Taper Pin Type, Crimp and Insertion Tools
Ames Balance Calibration Lab
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The Ames Balance Calibration Lab uses the AMP type taper pin for all Ames balances. This non-solder force-insertion contact provides years of fault tolerant connection of balance cables to the wind tunnel facility. It is highly recommended (and in most cases required) for customer balances to use this type of contact.


Taper Pin Installation to Balance Cables

AMP Taper Pin, 22 AWG

Amp Inc. Part Number 66071-3
Stock Number NSN 5999-00-464-3236
Solid brass contact with gold over nickel finish
Taper pin has yellow insulating sleeve.
Wire Size: 24 to 22 AWG


 

Balance Calibration drawing of taper pin 7

The 66071 type taper pin replaces previous formed-type P/N 41666 (NSN 5940-00-869-8709).


AMP Taper Pin, 20 AWG

Amp Inc. Part Number 66072-3
Stock Number NSN 5999-00-01-084-2878
Solid brass contact with gold over nickel finish
Taper pin has yellow insulating sleeve.
Wire Size: 20 AWG


Note: The following AMP tools are required for proper installation of AMP taper pins.


Taper Pin Hand Crimp Tool

Amp Inc. Part Number 90026
Stock Number NSN not available
Use: Crimps 66071 type taper pins into wire size 24 to 22 AWG.
Tool Color Code: Yellow
Reference Amp Inc instruction sheet 408-1809


 

Balance Calibration drawing of taper pin hand crimp tool


Proper Use Guidelines: Cumulative Trauma Disorders can result from the prolonged use of manually powered hand tools. AMP hand tools are intended for occasional use and low volume applications.


Taper Pin Insertion Tool

Amp Inc. Part Number 380430-2
Stock Number NSN
Use Tip #380429-1 to insert 66071 solid type (new style) taper pins
Use Tip #395042 to insert 41666 formed type (old style) taper pins
Inserts taper pins into taper block
Does not have pull-test spring
Trip force 12 - 13 lbs


 

Balance Calibration drawing of taper pin 17


This tool does not have a pull-test spring (smaller diameter handle) like the P/N 380431-2 below.


Taper Pin Insertion Tool

Amp Inc. Part Number 380431-2
Stock Number NSN 5120-00-784-2554
Use Tip #380429-1 (NSN 5120-00-799-6694) to insert 66071 solid type (new style) taper pins
Use Tip #395042 to insert 41666 formed type (old style) taper pins
Inserts taper pins into taper block
"Red" jewel
Contains pull-test spring
Trip force 12 - 13 lbs


 

Balance Calibration drawing of taper pin9

Taper Pin Extraction Tool

Amp Inc. Part Number 91012-1
Stock Number NSN 5120-00-933-4099
Removes 66071 and 41666 taper pins from taper block


 

Balance Calibration drawing of taper pin extraction tool


Use of Taper Pin Hand Crimp Tool

From AMP Inc document 408-1809

Following procedure is for #24 - #22 AWG wire. For smaller wire, see Taper Pin Installation to Balance Cables for additional information of taper pin installation to balance cables.


  • 1. Applicable Amp hand crimp tool for taper pin type 66071 is the Amp P/N 90026.
  • 2. Strip wire to 0.218 inches (a 1/32" less than quarter inch) - do NOT cut or nick the wire strands.

 

Balance Calibration drawing of taper pin 14

  • 3. Hold tool so BACK (wire side) faces you.
  • 4. Make sure ratchet is released - squeeze tool handles together and allow them to open FULLY.
  • 5. Slide terminal (the taper pin) tip through hole in locator until terminal shoulder butts against locator. See below.

 

Balance Calibration drawing of taper pin 14
  • 6.Hold terminal in this position and squeeze tool handles together just enough so crimping jaws hold terminal in place.    Do NOT deform insulation barrel or wire barrel.
  • 7. Insert a properly stripped wire into terminal wire barrel until it bottoms.
  • 8. Holding wire in place, squeeze tool handles together until ratchet releases.
  • 9. Allow tool handles to open FULLY and remove crimped terminal from tool.

Use of Taper Pin Insertion Tool

From AMP Inc document IS-7078

  • 1. Recommended Amp "Certi-Lok" insertion tool for taper pin type 66071 is the Amp P/N 380431-2 with P/N 380429-1 tip (the Amp P/N 380430-2 insert tool does not have a pull-test spring).
  • 2. Place the wire barrel of the terminal into the slot in the tip of the tool. The end of the tip must butt against the  shoulder of the terminal.
  • 3. Let the wire slant out through the side of the tip as shown below. Use your finger to hold the terminal in the tip.

 

Balance Calibration drawing of taper pin 11
  • 4. Align the tool to provide clearance for removing the tool from terminal after insertion.
  • 5. With the terminal in the tip, insert the terminal into the receptacle as shown below.

 

Balance Calibration drawing of taper pin 12

Note: While inserting the terminal, keep the tool, terminal, and receptacle in a straight line.


  • 6. With a straight, steady motion, push the tool toward the receptacle until the tool trips. Use only ONE stroke for each insertion. Extra strokes may damage the receptacle.
  • 7. To test the connection, slowly pull the sleeve until it moves the tool. Ignore this part if using Insert tool P/N 380430-2.
  • 8. If the terminal remains in place, the connection is good. If the terminal pulls out, repeat steps 3 through 8. If the terminal pulls out again, check the receptacle.
  • 9. Remove the tool from the terminal. Do not bend or twist the terminal. If the terminal is bent or twisted during the tool removal, remove and re-insert it.

Use of Taper Pin Extraction Tool

From AMP Inc document IS-7113

  • 1. Applicable Amp extraction tool for taper pin type 66071 and 41666 is the Amp P/N 91012-1.
    Note: This tool can be used for both formed and solid type taper pins except for each has a different extraction point.
  • 2. Solid taper pins: Place tool tip between the two shoulders of the taper pin as shown below.

 

Balance Calibration drawing of taper pin 21
  • 3. Formed taper pins: Place tool tip between the bead on the taper pin and the face of the receptacle housing (taper pin block) as shown below.

 

Balance Calibration drawing of taper pin 19

Note on Formed Pins: If it is impossible to place tip as shown above, place tip over the wire barrel of the taper pin
as shown below.


 

Balance Calibration drawing of taper pin 20

  • 4. Pull trigger to remove the taper pin.

References:

Amp Incorporated
P.O. Box 3608
Harrisburg, PA 17105

http://www.amp.com


Suggested Supplier for all AMP parts:
Mindy Anderson
Amp Inc.
1-800-806-0480


Amp Technical Support Center
1-800-522-6752

product.info@amp.com

408-1809: AMP instruction sheet for Crimp Tool P/N 90026
IS-7077: AMP instruction sheet for Insertion Tool P/N 380-430-2
IS-7078: AMP instruction sheet for Insertion Tool 380431-2 with P/N 380429-1 tip
IS-7113: AMP instruction sheet for Extraction Tool P/N 91012-1




 

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Page Last Updated: December 30th, 2013
Page Editor: NASA Administrator