Molex RHT-4754 Manuale utente

RHT-4754 Hand Crimp Tool

Doc No. 64003-7200 Release Date: 08-02-06 UNCONTROLLED COPY Page 1 of 6

Revision: A Revision Date: 08-02-06

Hand Crimp Tool

Operating Instruction and Specifications Sheet

Part No. 64003-7200

Eng. No. RHT-4754

(Replaces 19284-0024)

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



Insulation crimp adjustment allows a precise insulation crimp.



2-nested tool eliminates the need for additional tools

SCOPE

VibrakrimpFemale Non-Insulated Std. and Piggyback Quick Disconnects, 14–22 AWG.

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

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 Insul. Dia. Max.Terminal

No.

Terminal

Eng No. (REF) In. mm In. mm

190180001 AA-4173 .220 5.56 .130 3.18

190180002 AA-4173-032 .220 5.56 .130 3.18

190180005 AA-4176 .220 5.56 .130 3.18

190180007 AA-4180 .220 5.56 .130 3.18

190430002 PBT-4A .220 5.56 .180 4.45

Wire Size: 14-16 AWG 2.00 –1.30mm2

Wire Strip Length Insul. Dia. Max.Terminal Terminal

In. mm In. mm

190180011 BB-4174 .220 5.56 .130 3.18

190180014 BB-4177 .220 5.56 .130 3.18

190180016 BB-4181 .220 5.56 .130 3.18

190180017 BB-4181-032 .220 5.56 .130 3.18

RHT-4754 Hand Crimp Tool

Doc No. 64003-7200 Release Date: 08-02-06 UNCONTROLLED COPY Page 2 of 6

Revision: A Revision Date: 08-02-06

Figure 3

2ND

TAB LOCATOR

WIRE

TERMINAL

BARREL

INSULATION

PUNCH

CONDUCTOR

ANVIL

TERMINAL

LOCATOR

CONDUCTOR

PUNCH

INSULATION ANVIL

1ST TAB LOCATOR

Figure 2

TERMINAL

WIRE

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 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, and check for insulation closure. Molex offers a Crimp Inspection

Handbook for closed barrel industrial product. See our website or contact your sales engineer.

6. If the insulation part of the crimp needs to be adjusted, first loosen the M4 screw on the bottom tool jaw, then insert a 3/32 hex

wrench (supplied) into the bottom of the lower die. See Figure 4. A clockwise (CW) rotation decreases insulation crimp while a

counter-clockwise (CCW) rotation increases insulation crimp. After adjusting retighten the M4 screw.

LOCATOR

JAWS OPEN

TAB LOCATOR

ure 1

TERMINAL

RHT-4754 Hand Crimp Tool

Doc No. 64003-7200 Release Date: 08-02-06 UNCONTROLLED COPY Page 3 of 6

Revision: A Revision Date: 08-02-06

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 pin, pivot points and bearing

surfaces are protected with a thin coat of high

quality machine oil. Do not oil excessively. The

64003-7200 (RHT-4754) 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

LOOSEN

M4 SCREW

3/32”HEX

WRENCH

Figure 5

1.00

PRELOAD

TEST POINT

PRELOAD

TEST POINT

PRELOAD

ADJUSTMENT

LOCKING SCREW

RATCHET

RELEASE LEVER

PUSH UP

RHT-4754 Hand Crimp Tool

Doc No. 64003-7200 Release Date: 08-02-06 UNCONTROLLED COPY Page 4 of 6

Revision: A Revision Date: 08-02-06

“X ”NOT POSSIBLE TO PIN GAUGE, MEASURE A

CRIMPED UNINSULATED TERMINAL OR SLUG*

*SOLDER, LEAD OR

SIMILAR SOFT METAL

Tool Calibration

A Certificate of Calibration (See Last Page) was supplied with the tool. To recalibrate this Tool, a soft metal slug or solder should be

crimped in the conductor nest and the “X”Dimension measured 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 7) to recalibrate.

Wire Range “X”Dimension

Conductor Crimp

Nest Color Code

Awg mm²Mean Go No Go

Red 22 - 18 0.35 - 0.80 .052 .049 .060

Blue 16 - 14 1.30 - 2.00 .061 .058 .069

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.

RHT-4754 Hand Crimp Tool

Doc No. 64003-7200 Release Date: 08-02-06 UNCONTROLLED COPY Page 5 of 6

Revision: A Revision Date: 08-02-06

Figure 6

M4 X 25 LG

PAN HEAD SCREW

FOR SPRING

ACCESS SWING

OPEN COVER

SCREW AND PLASTIC

COVER FOR HANDTOOL

PRELOAD ADJUSTMENT

RATCHET

RELEASE LEVER

M4 X 12LG

PAN HEAD SCREW

M4 LOCKNUT W/

HEX NYLON INSERT

M4 FLAT WASHER

10 7

REPAIR KIT. ALL PARTS REQUIRED FOR

REPAIR. (ONLY MAIN SPRING SHOWN)

(2)

PARTS LIST

Item Order No Description Quantity

64003-7200 Hand Crimp Tool (Fig. 6)

1 64000-0076 Repair Kit (Springs, Pins and E-Rings) 1

2 63810-0000 Handle 1

3 64003-1175 Locator Assembly 1

4 64003-7270 Tooling Kit 1

Tooling Kit Only

5 64003-7202 Conductor Punch 1

6 64003-7201 Conductor Anvil 1

7 64003-7204 Insulation Punch 1

8 64003-7203 Insulation Anvil 1

9 N/A 4 mm Dia. by 5.0 mm Lg.Roll Pins 2**

10 N/A #10-32 by 5/16”Lg. Cup Pt. Set Screw 1**

** The following purchased parts are available from an Industrial supply company such as MSC (1-800-645-7270).

RHT-4754 Hand Crimp Tool

Doc No. 64003-7200 Release Date: 08-02-06 UNCONTROLLED COPY Page 6 of 6

Revision: A Revision Date: 08-02-06

Certificate of Calibration

Tool Order Number __________________

Tool Eng. Number ___________________

Tool Revision ___________________

Serial Number ___________________

Date of Manufacture__________________

Handle Load Range at 1 inch from the Tips =______________

Actual =_____________

Pin Gauge of Conductor Nest/Nests or Slug height if the nest is the “F”Crimp style.

Range Conductor Nest # 1 = ____________-- Actual = ______________

Range Conductor Nest # 2 = ____________-- Actual = ______________

Technician______________

Date of Calibration ______________

Calibration should be done every 5,000 cycles or 3 months.

Tools should be lubricated during this operation.

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