Molex RHT-5771 User manual

RHT-5771 Hand Crimp Tool

Doc No. 64001-4500 Release Date: 10-24-03 UNCONTROLLED COPY Page 1 of 6

Revision: B Revision Date: 07-05-06

Hand Crimp Tool

Operating Instruction Sheet and Specifications

Part No. 64001-4500

Eng. No. RHT 5771

(Replaces 19285-0051)

FEATURES



A full cycle ratcheting hand tool ensures complete crimps



An economical tool for portable crimping and field repair



3-nested tool eliminates the need for additional tools

SCOPE

Perma-SealStep Down Butt Splices for 14-16 to 18-22 AWG and 10-12 to 14-16 AWG. FIQD Couplers Male and Female for

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 it indicates the minimum acceptable

force to break or separate the terminal from the conductor.

UL – 486 A* UL – 486 C** UL*310***

Wire Size (AWG) Min. Pull Min. Pull Min. Pull

22 8 8 8

20 13 10 13

18 20 10 20

16 30 15 30

14 50 25 50

12 70 35 70

10 80 40 80

*UL - 486 A - Terminals (copper conductors only).

**UL - 486 C - Butt Splices

***UL – 310 – 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.

RHT-5771 Hand Crimp Tool

Doc No. 64001-4500 Release Date: 10-24-03 UNCONTROLLED COPY Page 2 of 6

Revision: B Revision Date: 07-05-06

Figure 2

WIRE

TERMINAL

WIRE

CONDUCTOR

PUNCH

CONDUCTOR

ANVIL

Figure 3

LOCATOR

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

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

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

Wire Size: 14 –16 AWG 2.00 –1.30mm²

Wire Strip Length Insul. Dia. Max.

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

19164-0048 SBB-9262 .313 7.94 .170 4.32

19164-0050 SBB-9263 .313 7.94 .170 4.32

STEP DOWN BUTT SPLICE

Wire Size: 14 –16 AWG 2.00 –1.30mm²to

18 - 22 AWG .080-0.35 mm²

Wire Strip Length Insul. Dia. Max.Terminal No. Terminal Eng No. (REF)

In mm In mm

19164-0043 SBA-631 .281 7.14 .230 5.84

STEP DOWN BUTT SPLICE

Wire Size: 10 –12 AWG 5.00 –3.30mm²to

14 - 16 AWG 2.00-1.30 mm²

Wire Strip Length Insul. Dia. Max.Terminal No. Terminal Eng No. (REF)

In mm In mm

19164-0077 SCB-646 .281 7.14 .300 7.62

OPERATION

Crimping Terminals

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

1. Adjust the locator up or down until the terminal being run sits flat and straight in

the tool.

2. Position the locator for the proper color-coded nest by removing the #4-40 X

3/8”Lg. BHSCS under the bracket of the locator. Place it in the desired position that

corresponds with the color-coded nest being used. Tighten the BHSCS.

3. Place the terminal into the locator and push until the terminal is flush against the

locator face shown in Figure 1.

4. Partially close the hand tool jaws until the connector is held snug in place, See Figure 2.

5. Insert the properly stripped wire into the terminal barrel (See Figure 2 and 3).

6. Complete the crimp by closing the hand tool handles until they release.

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

TERMINAL

JAWS

OPEN

Figure 1

LOCATOR

RHT-5771 Hand Crimp Tool

Doc No. 64001-4500 Release Date: 11-06-03 UNCONTROLLED COPY Page 3 of 6

Revision: B Revision Date: 07-05-06

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

See our website or contact your sales engineer.

Crimping Butt Splices

When crimping butt splices, the locator must be removed.

1. Position the splice into the proper color-coded nest.

2. Partially close the tool to hold the splice in place.

3. Insert the properly stripped wire into the splice. The wires end

should butt against the tab in the terminal (See Figure 4). Cycle the

tool.

4. Remove the crimped splice. Inspect for proper crimp location.

5. Rotate the butt splice terminal 180°, so that the opposite end of

splice is in the nest.

6. Repeat steps 2 thru 4.

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.

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. The 64001-4500 (RHT-5771) 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 5, 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 6).

WIRE

Figure 4

CONDUCTOR

ANVIL

CONDUCTOR

PUNCH

TAB OF

TERMINAL

STEP DOWN BUTT

SPLICE TERMINAL

LUBRICATION POINTS

(BOTH SIDES) LIGHT OIL

(EVERY 3 MONTHS OR

5,000 CRIMPS)

Figure 5

RHT-5771 Hand Crimp Tool

Doc No. 64001-4500 Release Date: 11-06-03 UNCONTROLLED COPY Page 4 of 6

Revision: B Revision Date: 07-05-06

How to Adjust Tool Preload (See Figure 6)

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.

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

before 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

Red 18 - 22 0.35 - 0.80 .094 .090 .098 ---

Blue 14 - 16 1.30 - 2.00 .115 .110 .119 ---

Yellow 10 - 12 3.30 - 5.00 .161 .156 .167 ---

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.

Caution: Repetitive use of this tool should be avoided.

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.

Figure 5

PRELOAD

ADJUSTMENT

LOCKING SCREW

1.00

PRELOAD

TEST POINT

PRELOAD

TEST POINT

RATCHET

RELEASE LEVER

PUSH UP

PIN GAUGE IN

CONDUCTOR CRIMP

“Confining ”Crimp

“X ”

RHT-5771 Hand Crimp Tool

Doc No. 64001-4500 Release Date: 11-06-03 UNCONTROLLED COPY Page 5 of 6

Revision: B Revision Date: 07-05-06

Figure 6

M4 X 25LG

PAN HEAD SCREW

FOR SPRING

ACCESS SWING

OPEN COVER

SCREW AND PLASTIC

COVER FOR HANDTOOL

PRELOAD ADJUSTMENT

RATCHET

RELEASE LEVER

M4 X 12LG

PAN HEADSCREW

M4 LOCKNUT W/

HEX NYLON INSERT

M4 FLAT WASHER

4 REPAIR KIT. ALL PARTS REQUIRED FOR

REPAIR. (ONLY MAIN SPRING SHOWN)

#4-40 X 3/8”LG

SHCS

PARTS LIST

Item Order No Description Quantity

64001-4500 Hand Crimp Tool (Fig. 6)

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

2 63810-0000 Handle 1

3 64001-4575 Locator Assembly 1

4 64001-4570 Tooling Kit 1

Tooling Kit Only

5 64001-4502 Conductor Punch 1

6 64001-4501 Conductor Anvil 1

RHT-5771 Hand Crimp Tool

Doc No. 64001-4500 Release Date: 11-06-03 UNCONTROLLED COPY Page 6 of 6

Revision: B Revision Date: 07-05-06

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 Gage 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 =_____________

Range Conductor Nest # 3 =______________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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