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Instruction Sheet

408–7270

LOC B

of 4

E

1999 AMP Incorporated, Harrisburg, PA. 

All International Rights Reserved.
*Trademark

TOOLING ASSISTANCE CENTER 1–800–722–1111    
AMP FAX/PRODUCT INFO 1–800–522–6752

This controlled document is subject to change. 
For latest revision call the AMP FAX* number.

16 SEP 99

Rev C

Hand Crimping Tool 90188–2

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. AMP offers a wide selection of powered application equipment for extended–use, production operations.

Figure 1

F

AMP

90188–2

Front of
Tool

Crimpers

Anvils

CERTI–CRIMP*
Ratchet

1. INTRODUCTION

This instruction sheet covers application and
maintenance for AMP* Hand Crimping Tool 90188–2,
which is designed to crimp quick–disconnect–type
terminals having open wire and insulation barrels. A
typical terminal is shown in Figure 2. Read these
instructions carefully before applying any terminals.

All dimensions on this sheet are in metric units
[with U.S. customary units in brackets].

Reasons for reissue are provided in Section 6,
REVISION SUMMARY.

2. DESCRIPTION

 (Figures 1 and 2)

This tool features two fixed dies (crimpers), two
movable dies (anvils), a locator/insulation stop, and a
CERTI–CRIMP ratchet.

The locator/insulation stop positions the terminal
between the crimping dies and aids in locating the
wire in the terminal. In use, it rests in the terminal’s
locator slot.

The CERTI–CRIMP ratchet ensures full crimping of
the terminal. Once engaged, the ratchet will not
release until the handles have been FULLY closed.

The crimping dies bottom before the
CERTI–CRIMP ratchet releases. This is a design
feature that assures maximum electrical and
tensile performance of the crimp. Do NOT
re–adjust the ratchet.

3. CRIMPING PROCEDURE

Select an applicable terminal and a wire of
appropriate size and insulation diameter. Strip the
wire to the length indicated in Figure 2. Do NOT cut
or nick the wire strands.

1. Hold the tool so the BACK of it is facing you.

2. Make certain that the ratchet is released by
squeezing the tool handles and allowing them to
open FULLY.

3. Looking straight into the crimping dies from the
BACK of the tool, insert a terminal (insulation
barrel first) into the FRONT of the appropriate
crimping section.

4. Position the terminal in the crimpers so that the
locator/insulation stop enters the terminal locator
slot.

5. Hold the terminal in this position and squeeze
the tool handles until the insulation anvil starts
entry into the insulation crimper. Do NOT deform
the insulation barrel or wire barrel.

Figure 2

Insulation
Barrel

Wire
Barrel

Typical
Terminal

Locator
Slot

Wire Strip
Length

Terminal Wire Barrel
.76 [+.030 in.].

NOTE

CAUTION

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