TE Connectivity 2379255-1 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.
408-35137
27 DEC 2022 Rev B
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.
Figure 1: Heavy Head Hand Tool 2379255-1
1
Head
4
Stationary dies (anvils)
2
Movable dies (crimpers)
5
Insulation crimping adjustment pin
3
Handle
6
Ratchet
Heavy Head Hand Tool
(HHHT) 2379255-1

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1. INTRODUCTION
The Heavy Head Hand Tool 2379255-1 (Figure 1) is designed to crimp DEUTSCH stamped PIN and Socket
contacts onto the wires listed in Table 1.
Table 1: Crimping specifications
Crimp tool
Terminal
Wire type
Insulation range
Insulation
selector
Strip length
2379255-1
1060-12-02 (pin)
1062-12-02(socket)
10 TXL
3.81-5.21
[.150-.205]
1
6.35 ± 0.64
[.250 ± .025]
10 GXL
2
10 SXL
3
5.0 mm2
2
6.0 mm2
3
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.
2. DESCRIPTION
The Heavy Head Hand Tool consists of a crimp head containing two stationary crimping dies (anvils), two
moveable dies (crimpers), a locator, an insulation crimping adjustment pin, and handles with a ratchet. See
Figure 1.
This tool is a member of the CERTI-CRIMP™hand crimping tool family. The ratchet on this tool ensures full
crimping of the product. After it is engaged, the ratchet does not release until the handles are fully closed.
When closed, the crimping dies form a crimping chamber with two sections: an insulation barrel section and a
wire barrel section. The insulation barrel section crimps the insulation barrel of the product onto the wire
insulation. Simultaneously, the wire barrel section crimps the wire barrel of the product onto the wire
conductors.
The locator positions the product in the crimping chamber. The insulation crimping adjustment pin is used to
regulate the height of the insulation crimp.
CAUTION
The dies bottom before the ratchet releases. This feature ensures maximum tensile performance of the crimp. Do not re-
adjust the ratchet.

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3. CRIMPING
1. Select a wire of the correct size and insulation diameter for the terminal (see Table 1).
2. Strip the wire to the length listed in Table 1. Do not nick or cut wire strands.
CAUTION
Do not use wire with nicked or missing conductors.
3. Use Table 2 to determine the insulation setting.
Table 2: Insulation setting
Insulation size
Insulation setting
3.81-4.32 [.150-.170]
1
4.06-4.57 [1.60-.180]
2
4.32-5.21 [.170-.205]
3
4. Insert the insulation crimp adjustment pin in the position for the insulation setting (Figure 2).
Figure 2: Insulation crimp adjustment pin
5. Close the tool handles until the ratchet releases.
6. Allow the handles to open fully. The crimping dies open.

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7. Place the terminal in the locator so that the raised collar on the terminal body is bottomed in the
locator (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: Terminal locator (section view)
1
Terminal locator
2
Terminal
8. Close the handles of the tool until the contact is lightly held by the die set, but is not deformed to
the point where the wire cannot enter freely.
9. Insert the wire into the crimp barrel of the contact, centering the insulation in the transition area of
the terminal.
CAUTION
Do not allow the insulation to enter the terminal wire barrel.
10. While holding the wire in place, fully cycle the tool until the ratchet releases.
11. Release the tool handles and allow the handles to open fully.
12. Remove the crimped terminal.
13. Inspect the crimp as described in section 4. Do not use terminals that fail to meet the described
conditions.

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4. 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 1 and select a wire (maximum size) for each crimp section listed.
2. Refer to section 3, CRIMPING, and crimp the contacts accordingly.
3. Using a crimp height comparator, measure the wire barrel crimp height. If the crimp height conforms to
the value listed in Table 3, the tool is considered dimensionally correct.
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 3)
Table 3: Crimp height specifications
Wire
type
Insulation selector
Wire crimp
height
Wire crimp
width
Insulation
crimp height
Insulation
crimp width
10 TXL
1
3.81-4.32
[.150-.170]
2.44-2.59
[.096-.102]
3.56-3.71
[.140-.146]
3.68-4.19
[.145-.165]
4.11-4.42
[.162-.174]
10 GXL
2
4.06-4.57
[.160-.180]
4.27-4.52
[.168-.178]
10 SXL
3
4.32-5.21
[.170-.205]
4.32-4.83
[.170-.190]
4.17-4.47
[.164-.176]
5.0 mm2
2
4.06-4.57
[.160-.180]
3.68-4.19
[.145-.165]
4.11-4.42
[.162-.174]
6.0 mm2
3
4.32-5.21
[.170-.205]
2.49-2.64
[.098-.104]
3.61-3.76
[.142-.148]
4.44-4.95
[.175-.195]
4.17-4.47
[.164-.176]

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5. MAINTENANCE AND INSPECTION
5.1. Maintenance
Remove dust, moisture, and other contaminants with a clean, soft brush or soft, lint-free cloth. Do not
use 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.
Remove all lubrication and accumulated film by immersing the dies in a suitable commercial degreaser.
Store the tool in a clean, dry area.
5.2. 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 tool or dies. Refer to section 6, REPLACEMENT
AND REPAIR.
6. REPLACEMENT AND REPAIR
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.
7. REVISION SUMMARY
Since the last revision of this document, the following changes were made:
Corrected errors in Table 3
Reformatted to conform to current standard