Molex RHT 2761-CC User manual

RHT-2761-CC Hand Crimp Tool

Doc No. ATS-640014700 Release Date: 11-04-03 UNCONTROLLED COPY Page 1 of 6

Revision: B Revision Date: 03-14-07

Hand Crimp Tool

Operating Instruction Sheet and Specifications

Order No. 64001-4700

Engineering No. RHT 2761-CC

(Replaces 19285-0033)

FEATURES



A full cycle ratcheting hand tool ensures complete crimps



Long handles for comfortable crimping with reduced crimping force



A precision user-friendly terminal locator wire stop holds terminals in the proper crimping position



Single color-coded crimp pocket eliminates the possibility of using the wrong pocket

SCOPE

Products: InsulKrimp™ Male and Female Fully Insulated Quick Disconnect Couplers, Perma-SealQuick Disconnect Couplers and Snap

Plug Receptacles 14 - 22 AWG, Conductor Crimp only.

Testing

Mechanical

The tensile test, or pull test, is a means of evaluating the mechanical properties of the crimped connections. The following charts

show the UL specifications for various wire sizes. The tensile strength is shown in pounds and indicates the minimum acceptable

force to break or separate the terminal from the conductor.

Wire Size (AWG) *UL - 310

22 8

20 13

18 20

16 30

14 50

*UL – 310 – Quick Disconnects and Couplers

The following is a partial list of the product part numbers and their specifications that this tool is designed to run. We will be adding to

this list and an up to date copy is available on www.molex.com.

Wire Size: 18-22 AWG 0.80-0.35mm²

Wire Strip Length Insulation Diameter

Maximum

Terminal No. Terminal Eng. No. (REF)

In. mm In. mm

19004-0001 AA-2260 .313 7.94 .145 3.68

19005-0001 AA-2261 .313 7.94 .165 4.19

19164-0015 SAA-9260 .313 7.94 .145 3.68

19164-0017 SAA-9261 .313 7.94 .165 4.19

19164-0052 SBRA-8156N .313 7.94 .130 3.30

19164-0053 SBRA-8180N .313 7.94 .130 3.30

RHT-2761-CC Hand Crimp Tool

Doc No. ATS-640014700 Release Date: 11-04-03 UNCONTROLLED COPY Page 2 of 6

Revision: B Revision Date: 03-14-07

Figure 3

2ND TAB

LOCATOR

WIRE

TERMINAL

BARREL

CONDUCTOR

ANVIL

TERMINAL

LOCATOR

CONDUCTOR

PUNCH

1ST TAB

LOCATOR

WIRE STOP BUILT

INTO TERMINAL

WIRE

TERMINAL

Figure 2

Wire Size: 14-16 AWG 2.00-1.30mm²

Wire Strip Length Insulation Diameter

Maximum

Terminal No. Terminal Eng No. (REF)

In. mm In. mm

19004-0005 BB-2262 .313 7.94 .170 4.31

19005-0005 BB-2263 .313 7.94 .165 4.19

19164-0048 SBB-9262 .313 7.94 .170 4.31

19164-0050 SBB-9263 .313 7.94 .165 4.19

OPERATION

Open the tool by first closing the jaws sufficiently for the ratchet mechanism to release.

Crimping Terminals

1. There are 2 tab locator blades supplied with the tool. One is for .187 and .250

tabs; the other is for .205 tabs and .110 Tabs. Make sure the proper blade is

installed on the top of the locator and the other is stored on the bottom of the

locator.

2. Push the terminal onto the tab locator all the way to the stop in the color-coded

nest. The barrel of the terminal should be up. See Figure 1.

3. Partially close the tool to hold the terminal in place. (See Figure 2.

4. Insert the properly stripped wire into the terminal barrel. See Figure 2 and 3. Cycle the tool.

Note: The tamper proof ratchet action will not release the tool until it has been fully closed.

5. Remove the crimp and inspect for proper crimp location. Molex offers a Crimp Inspection Handbook for closed barrel industrial

product. See our website or contact your sales engineer.

Note: Whenever crimping without the locator, make sure the seam of the terminal is oriented up or down in the tool if using

unbrazed product, as this will provide higher pull force values.

LOCATOR

JAWS OPEN

TAB LOCATOR

Figure 1

TERMINAL

RHT-2761-CC Hand Crimp Tool

Doc No. ATS-640014700 Release Date: 11-04-03 UNCONTROLLED COPY Page 3 of 6

Revision: B Revision Date: 03-14-07

Maintenance

It is recommended that each operator of the tool be made aware of, and responsible for, the following maintenance steps:

1. Remove dust, moisture, and other contaminants with a clean brush, or

soft, lint free cloth.

2. Do not use any abrasive materials that could damage the tool.

3. Make certain all pins; pivot points and bearing surfaces are protected

with a thin coat of high quality machine oil. Do not oil excessively. This

hand tool was engineered for durability, but like any fine piece of

equipment it needs cleaning and lubrication for a maximum service life

of trouble-free crimping. A light oil, such as 30 weight automotive oil

used at the oil points shown in Figure 4, every 5,000 crimps or 3 months

will significantly enhance the tool life and ensure a stable calibration.

4. When tool is not in use, keep the handles closed to prevent objects from

becoming lodged in the crimping dies, and store the tool in a clean, dry

area.

Miscrimps or Jams

Should this tool ever become stuck or jammed in a partially closed position, Do Not force the handles open or closed. The tool will open

easily by pressing the ratchet release lever. See Figure 5.

How to Adjust Tool Preload (See Figure 5)

Over the life of the tool, it may be necessary to adjust tool

handle preload force. Listed below are the steps required to

adjust the crimping force of the hand tool to obtain proper

crimp conditions:

1. Remove the screw and plastic cover washer. Note the

setting wheel position.

2. Lift the setting wheel off the axle. Turn the eccentric

axle with a screwdriver.

3. Turning the eccentric axle counter-clockwise will

increase handle force.

4. Replace the setting wheel to the axle, aligning the

nearest notch in the setting wheel to the dowel pin.

5. Replace the plastic cover washer and screw.

6. Check the crimp specifications after tool crimp force is adjusted.

LUBRICATION POINTS

(BOTH SIDES) LIGHT OIL

(EVERY 3 MONTHS OR

5,000 CRIMPS)

Figure 4

Figure 5

PRELOAD

ADJUSTMENT

LOCKING SCREW

1.00

PRELOAD

TEST POINT

PRELOAD

TEST POINT

RATCHET

RELEASE LEVER

PUSH UP

RHT-2761-CC Hand Crimp Tool

Doc No. ATS-640014700 Release Date: 11-04-03 UNCONTROLLED COPY Page 4 of 6

Revision: B Revision Date: 03-14-07

Tool Calibration

A Certificate of Calibration (see last page) was supplied with the tool. To recalibrate this tool,

pin gauge measurements should be taken in each conductor nest and compared to this chart.

The tool should be lubricated prior to recalibration to ensure consistent measurements. Handle

preload is factory set to 25-45 LBS. See How to Adjust Tool Preload (See Figure 5) to

recalibrate.

Wire Range “X” Dimension Conductor Crimp

Nest Color Code AWG mm²Mean Go No Go Crimp Inspection Marking

0.35-0.80

Blue and Red 14-22 1.30-2.00 .100 .097 .108 ---

Caution: Repetitive use of this tool should be avoided.

Warranty

This tool is for electrical terminal crimping purposes only. This tool is made of the best quality materials. All vital components are long

life tested. All tools are warranted to be free of manufacturing defects for a period of 30 days. Should such a defect occur, we will

repair or exchange the tool free of charge. This repair or exchange will not be applicable to altered, misused or damaged tools. This

tool is designed for hand use only. Any clamping, fixturing, or use of handle extensions voids this warranty.

Hand held crimping tools are intended for low volume, prototyping, or repair requirements only.

CAUTION: Molex crimp specifications are valid only when used with Molex terminals, applicators and tooling.

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