TE Connectivity PRO-CRIMPER III User manual

Instruction Sheet
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PRODUCT INFORMATION 1-800-522-6752
This controlled document is subject to change.
For latest revision and Regional Customer Service,
visit our website at www.te.com.
408-9993
29 JUN 2022 Rev C
PROPER USE GUIDELINES
Cumulative trauma disorders can result from the prolonged use of manually powered hand tools. Hand tools are intended for occasional
use and low-volume applications. A wide selection of powered application equipment is available for extended-use production operations.
The PRO-CRIMPER III Hand Crimping Tool is a commercial-grade tool and is designed primarily for field installation, repair, maintenance
work, or prototyping in industrial, commercial, or institutional applications. Product crimped with this tool meets the wire barrel crimp height
requirement for hand tools in the appropriate 114 application specification, but might not comply with other feature parameters of the
specification.
Figure 1: PRO-CRIMPER III Hand Crimping Tool Assembly 58524-1 with Die Assembly 58524-2
1
Front of tool (locator side)
6
Back of tool (wire side)
2
Die assembly
7
Pivot pin
3
Moving jaw
8
PRO-CRIMPER III tool frame
4
Ratchet adjustment wheel
9
Stationary handle
5
Stationary jaw
10
Moving handle
PRO-CRIMPER™ III Hand Crimping Tool
Assembly 58524-1 with Die Assembly 58524-2

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1. INTRODUCTION
PRO-CRIMPER III Hand Crimping Tool Assembly 58524-1 for the .250 series FASTON™receptacle is the tool
and die set shown in Figure 1. The tool consists of the PRO-CRIMPER III Frame Assembly 354940-1
(instruction sheet 408-9930) and the die assembly listed in Figure 1. This tool is used to crimp the terminal
family listed in Table 1. For product part numbers that are in this terminal family, contact TE Product
Information by calling the phone number listed at the bottom of page 1.
Table 1: Crimping specifications
TE die
assembly
Terminal family
Wire
Wire size
AWG
Insulation diameter
mm [in.]
Strip length
mm [in.]
58524-2
.250 series
FASTON receptacle
18-16
3.05 to 4.32 [.120 to .170]
4.75 to 5.59 [.180 to .220]
14
NOTE
Dimensions in this instruction sheet are in millimeters with [inches in brackets]. Figures are for reference only and are not
drawn to scale.
Read these instructions thoroughly before crimping connectors.

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2. DESCRIPTION
The tool frame features two jaws, a handle, a ratchet adjustment wheel, and an emergency ratchet release.
Each die set consists of a crimper (upper die) and an anvil (lower die). The tool frame holds a die assembly
with two crimping chambers (see Figure 2). Die-retaining pins and die-retaining screws are used to secure the
dies in the tool frame.
The tool features a ratchet and an adjustment wheel with a range of settings. The ratchet ensures that the tool
has completed the cycle and does not release until the handles have been fully closed, unless the emergency
ratchet release is rotated to manually release the ratchet. The adjustment wheel controls the amount of handle
pressure exerted on the dies during the crimping procedure.
CAUTION
The dies bottom before the ratchet releases. This feature ensures maximum tensile performance of the crimp. Do not re-
adjust the ratchet unless you have verified that the crimp height is incorrect (see section 7, ADJUSTING THE RATCHET).
Figure 2: Parts of the PRO-CRIMPER III Hand Crimping Tool Assembly
1
Chamfer
5
Insulation anvil
2
Wire crimper
6
Tool frame
3
Wire anvil
7
Die retaining pins
4
Insulation crimper
8
Die retaining screws

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3. INSTALLING THE DIE SET AND LOCATOR ASSEMBLY
1. Open the tool handles and remove the two die-retaining screws from the tool jaws (see Figure 2).
2. Place the wire anvil and insulation anvil so that their chamfered sides and the marked surfaces face
outward when mounted in the moving jaw of the tool frame.
3. Insert the two die-retaining pins.
4. Insert a die-retaining screw through the jaw and through the anvil dies. Tighten the screw just enough
to hold the die in place. Do not tighten the screw completely.
5. Place the wire crimper and insulation crimper so that the chamfered sides and the marked surface face
outward when mounted in the stationary jaw of the tool frame.
6. Insert the two die-retaining pins.
7. Insert a die-retaining screw through the jaw and through the crimper dies. Tighten the screw just
enough to hold the die in place. Do not tighten the screw completely.
8. Carefully close the tool handles, making sure the anvil and crimper align properly. Continue closing the
tool handles until the ratchet in the tool frame engages sufficiently to hold the anvil and crimper in
place.
9. Tighten both die-retaining screws.
4. REMOVING THE DIE SET AND LOCATOR ASSEMBLY
1. Close the tool handles until the ratchet releases.
2. Remove the two die-retaining screws and the four die-retaining pins.
3. Slide the anvils and crimpers out of the tool jaws.
NOTE
The ratchet release has detents with audible clicks as the handles are closed. The ratchet releases on the sixth click.

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5. CRIMPING
NOTE
The tool is provided with a crimp adjustment feature. Initially, the crimp height should be verified as specified in Table 2. Refer
to section 6, INSPECTING THE CRIMP HEIGHT, and section 7, ADJUSTING THE RATCHET, to verify crimp height before
using the tool to crimp contacts and wire sizes.
1. Refer to Table 1 and select wire of the specified size and insulation diameter.
2. Strip the wire to the length indicated. Do not nick or cut wire strands.
3. Select an applicable contact and identify the appropriate crimp section according to the wire size
markings on the tool.
4. Hold the tool so that the back (wire side) is facing you. (See Figure 3.) Squeeze the tool handles
together and allow them to open fully.
5. While holding the contact by the mating end, insert the contact through the front of the tool and into the
appropriate crimp section.
6. Position the contact so that the mating end of the terminal is on the front side of the tool, and the U of
the wire and insulation barrels faces the top of the tool.
7. Place the contact up into the nest.
8. Rotate the tool so that you can see the front side of the wire crimper.
9. Position the terminal so that the front edge of the wire barrel is even with the front edge of the wire
crimper (Figure 3).
CAUTION
Make sure that both sides of the wire barrel are started evenly into the crimping section. Do not attempt to crimp an
improperly positioned contact.
Figure 3: Crimping
1
Back of tool (wire side)
5
Wire crimper
2
Wire
6
Strip length
3
Front of wire barrel (even with edge of wire crimper)
7
Wire barrel
4
Terminal (typical)
10. While holding the terminal in position, squeeze the tool handles together until ratchet engages
sufficiently to hold the terminal in position. Do not deform insulation barrel or wire barrel.

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11. Rotate the tool so that the back (wire side) faces you.
12. Insert the stripped wire into the terminal insulation and wire barrels until the end of the wire is even with
the edge of the wire barrel and wire crimper (Figure 3).
13. While holding the wire in place, fully cycle the tool until the ratchet releases and allows the handle to
open.
14. Remove the crimped terminal.
NOTE
If the crimped terminal sticks in the crimping area, remove it by pushing downward on the mating end of the terminal.
15. Check the terminal’s crimp height as described in section 6, INSPECTING THE CRIMP HEIGHT. If
necessary, adjust the crimp height as described in section 7, ADJUSTING THE RATCHET.
6. INSPECTING THE CRIMP HEIGHT
Crimp height inspection is performed using a micrometer with a modified anvil, commonly referred to as a
crimp-height comparator. TE Connectivity does not manufacture or market crimp height comparators. Detailed
information on obtaining and using crimp-height comparators can be found in instruction sheet 408-7424.
1. Refer to Table 2 and select a wire (maximum size) for each crimp section listed.
2. Refer to section 5, CRIMPING, and crimp the contacts accordingly.
3. Using a crimp height comparator, measure the wire barrel crimp height listed in Table 2.
If the crimp height conforms to that shown in the table, the tool is considered dimensionally correct.
If not, adjust the tool. Refer to section 7, ADJUSTING THE RATCHET.
CAUTION
Do not use damaged product. If a damaged contact is evident, replace it. Do not re-terminate contacts.
Figure 4: Crimp height
1
Modified anvil
2
Position point on center of wire barrel opposite seam
3
Crimp height (see Table 2)
Table 2: Crimp height specifications
Die assembly
Wire size max
mm2[AWG]
Crimp section
(wire size markings)
Crimp height mm [in.]
58524-2
18-16
18-16
1.55±0.05 [.061±.002]
14
14
1.83±0.05 [.072±.002]

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7. ADJUSTING THE RATCHET
The ratchet is preset prior to shipment, but it is important to verify the crimp height using a micrometer or
caliper. Use and wear can cause the tool to go out of adjustment. Inspect the crimp height and adjust the
ratchet, if necessary, on a regular basis.
To adjust the ratchet, complete the following steps.
1. Remove the ratchet wheel lock screw (Figure 5).
2. With a screwdriver, adjust the ratchet wheel from the front side of the tool.
If the crimp height is larger than recommended, rotate the adjustment wheel counter-clockwise ()
to a higher setting.
If the crimp height is smaller than recommended, rotate the adjustment wheel clockwise (–) to a
lower setting.
3. Reinstall the lock screw.
4. Make a sample crimp and measure the crimp height.
5. Repeat as required.
If the crimp height cannot be made to conform to the recommended crimp height, replace the tool or die
set. See section 9, REPLACEMENT AND REPAIR.
Figure 5: Ratchet adjustment
1
Screwdriver
2
Ratchet adjustment wheel
3
Lock screw (typical)

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8. MAINTENANCE AND INSPECTION
8.1. Maintenance
Remove dust, moisture, and other contaminants with a clean, soft brush or soft, lint-free cloth. Do not
use hard or abrasive objects that could damage the dies or tool.
When the tool is not in use, keep the handles closed to prevent objects from becoming lodged in the
dies. Store the tool in a clean, dry area.
Remove all lubrication and accumulated film by immersing the dies in a suitable commercial degreaser.
8.2. Visual inspection
Inspect the tool and dies on a regular basis to ensure that they are not worn or damaged.
Make sure that the die retaining screws are properly secured.
Inspect the crimping chambers of the die assembly for flattened, chipped, worn, or broken areas. If
damage or abnormal wear is evident, replace the dies. Refer to section 9, REPLACEMENT AND
REPAIR.
9. REPLACEMENT AND REPAIR
Customer-replaceable parts are listed in Table 1.
Repair Kit 679221-1 (available separately) includes a replacement nut and a variety of pins, rings, screws, and
springs.
If the dies are damaged or worn excessively, they must be replaced. Order replacement dies through your TE
representative. You can also order parts by any of the following methods:
Go to TE.com and click the Shop TE link at the top of the page.
Call 800-522-6752.
Write to:
CUSTOMER SERVICE (038-035)
TE CONNECTIVITY CORPORATION
PO BOX 3608
HARRISBURG PA 17105-3608
For customer repair services, call 800-522-6752.
10. REVISION SUMMARY
Revisions to this instruction sheet include:
Updated Table 2: Crimp height specifications
Reformatted to conform to current standard for instruction sheets

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Figure 6: Tools that can use Die Assembly 58524-2
PRO-CRIMPER III Hand Tool 354940-1
(instruction sheet 408-9930)
SDE PEW-12 Hand Tool 9-1478240-0
(instruction sheet 408-8851)
SDE Bench Terminator 1490076-2
(customer manual 409-10052)
626 Adapter 679304-1
(instruction sheet 408-4070)
Battery Tool (Shouldered Die) 1725837-1, -2
(customer manual 409-10053)
Battery Tool (Pin Die) 1213890-1, -2
(customer manual 409-10065)