TE Connectivity 58644-1 Bedienungsanleitung

Ram

Insertion Rod Adjuster

Push Rod

Locating Pawl (Hidden)

Wire Inserter

Wire Guide

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1of 5

Instruction Sheet

TOOLING ASSISTANCE CENTER

1-800-722-1111



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

LOC B

408-4406

Mass Insertion Terminating Head 58644-1

for MTA (Mass Termination Assembly) 100

Feed-Through Receptacle Connectors 28 OCT 11 Rev C

Figure 1

1. INTRODUCTION

Mass Insertion Terminating Head 58644-1, shown in

Figure 1, is designed to terminate MTA 100 feed-

through receptacle connectors (positions 2 through

12) onto discrete wire sizes 28 through 22 AWG with a

maximum insulation diameter of 1.27 mm [.050 in.].

Refer to Figure 2 for reference connector part

numbers.

NOTE

This head is designed to terminate one connector

at a time.

NOTE

A complete list of current connector part numbers

cannotbemaintainedonthisdocument.Forallpart

numbers and their description, refer to Catalog

82056 or contact Product Information at the

number at the bottom of this page.

The head is used with Pistol Grip Manual Handle

Assembly 58074-1. For terminating head installation

procedures, and setup and operation of the handle

assembly, refer to Instruction Sheet 408-6790. Read

this and the referenced material before terminating

any connectors.

NOTE

Dimensions on this sheet are in metric units [with

U.S. customary units in brackets]. Figures are not

drawn to scale.

Reasons for reissue are provided in Section 8,

REVISION SUMMARY.

2. DESCRIPTION (Figure 1)

The terminating head, when properly installed onto the

handle assembly, serves as a guide for the connector

during termination.

Features of the head and their functions are as

follows:

Wire Inserter-supports each wire in individual wire

slots so that, during the insertion cycle, the wire forced

into the two-slotted beam of the contact.

Wire Guide-holds the wires in position over the wire

inserter.

Ram-locates and holds the connector while pushing it

down onto the wires.

Locating Pawl-holds connector in proper alignment to

the wire inserter.

Push Rod-used to push the terminated connector past

the locating pawl for removal.

Insertion Rod Adjuster-is a piston for the ram and

regulates the travel of the inserted wires.

WIRE SIZE

(AWG)

MTA 100 FEED-THROUGH RECEPTACLE CONNECTORS

(With Locking Ramp)■

COLOR CODE WITH POLARIZING TABS WITHOUT POLARIZING TABS

22 Red 644540 640620

24 White 644563 640621

26 Blue 644564 640622

28 Green 644565 640623

■Dash numbers indicate number of contact positions (-2 through -12 are applicable for this terminating head).

408-4406

2of 5

Rev C

Figure 2

Each wire is terminated in a connector contact using

the insulation displacement technique (a terminating

technique which inserts unstripped wire into a slotted

contact beam to form a reliable electrical connection

between the wire and the contact). Contact

termination is complete when the handle assembly is

actuated.

3. SETUP

3.1. Installing Head

The head can be installed onto the handle assembly

and used as a hand-held tool, or several tools can be

mounted onto a board to be used as a low-level

harness board fixture.

The board must have two 6.36-mm [.250-in.] holes

spaced 44.45 mm [1.75 in.] apart for each head.

Secure each head with screws. See Figure 3.

NOTE

Thehandle assembly is not quickto install ontothe

head; therefore, each head should have its own

handle assembly.

3.2. Test Termination

At least one test termination should be performed and

inspected before starting production. Determine the

wire size and select the appropriate color-coded

connector.

1. Using a small knife, cut off the wire retainers

(strain relief) from both sides of the test connector.

See Figure 4.

NOTE

Wire retainers must be removed from test

connectorstoprovideaclearviewforinspection-do

NOT use test connectors for production

applications.

2. Terminate the test connector according to Section

4and inspect the connector following the

requirements in Step 6. Make any insertion depth

adjustments to the terminating head according to

Section 5 before starting production.

Handle 

Assembly

(Ref)

Installing Head As

Harness Board Fixture

Figure 3

4. TERMINATING PROCEDURE

1. Starting with the wire slot closest to the head

frame, push one wire into one slot for each contact

position of the connector being terminated. See

Figure 5.

2. Insert the connector into the ram with the contact

insulation barrels facing the wire slots.

3. Using a screwdriver (or equivalent), push the

connector into the ram until the connector touches

the surface of the frame. Refer to Figure 5.

NOTE

To ensure proper alignment in the head, all

connector positions must touch the surface of the

head frame.

Terminated Test Connector

Wire Retainers Removed 

(Both Sides)

Contact Partially

Removed for

Inspection

Lead-In 

Transition

No Deformation of

Contact Beam

No Cuts 

in Wire

Terminated Production Connector

Contact Slot

408-4406

3of 5

Rev C

Figure 4

Wire Inserted into Wire Slot

Ram

Handle Assembly

Surface of Head 

Frame (Connector 

Must Start Here)

Figure 5

4. Actuate the handle assembly according to the

instructions packaged with the handle assembly.

CAUTION

Aftertheramcompletesthestroke,nowiresshould

be left in the wire slots. If any wires are still in the

slots, pull them up and out of the slots before

continuing.

5. Depress the push rod to move the terminated

connector beyond the locating pawl in the ram.

6. Then grip the wires on both sides of the

connector and carefully guide the connector out of

the ram.

7. Refer to Figure 4 and visually inspect the

connector according to the following. If wire

insertion depth is found to be improper, refer to

Section 5 for head adjustments.

CAUTION

Wire insulation tends to return to form after being

compressed. It is important to inspect the

connector within five minutes of termination;

otherwise, an improper inspection may result.



•Conductors are terminated past the lead-in

transition and halfway into the contact slot.

•Wires are not bottomed in contact slots.

•Wire insulation is not nicked or cut in any areas

except in the contact slots.

•Contact beams are not deformed. If damage is

evident, replace the damaged contact according to

the instructions packaged with the connector.

•Wire extends below the connector wire retainers.

NOTE

For detailed inspection information, refer to

Application Specification 114-1019.

5. INSERTION DEPTH ADJUSTMENT

The terminating head is preset for nominal wire

insertion depth; however, it may be necessary to make

adjustments to the head, due to the wide range of

cable sizes used, as follows:

1. Remove the head from the handle assembly.

Head Removed from

Handle Assembly

Insertion 

Rod 

Adjuster

Clockwise to

Decrease

Wire Insertion Depth

Counterclockwise

to Increase

408-4406

4of 5

Rev C

Figure 6

2. If the wires are too deep in the contact slots, turn

the insertion rod adjuster clockwise. A 1/6-

revolution will decrease the wire insertion depth by

approximately 0.20 mm [.008 in.]. If the wires are

not deep enough in the contact slots, turn the

adjuster counterclockwise. A 1/6-revolution will

increase the wire insertion depth by approximately

0.20 mm [.008 in.]. See Figure 6.

3. Install the head onto the handle assembly; then

terminate and inspect a test connector.

4. Repeat the adjustment as necessary until proper

wire insertion depth is obtained. DO NOT use a

tighter setting than required.

6. MAINTENANCE AND INSPECTION

TE recommends that a maintenance and inspection

program be performed periodically to ensure

dependable and uniform terminations.

6.1. Daily Maintenance

1. Remove dust, moisture, and other contaminants

with a clean, soft brush or a soft, lint-free cloth. Do

NOT use objects that could damage the head.

2. Make sure that all pins, rings, and other

components are in place and secure.

3. When head is not in use, store it in a clean, dry

area.

6.2. Periodic Inspection

Regular inspections should be performed by quality

control personnel. Though recommendations call for

at least one inspection a month, the frequency should

be based on amount of use, working conditions,

operator training and skill, and your established

company policies.

1. Remove all lubrication and accumulated film by

immersing the head in a suitable commercial

degreaser that will not affect paint or plastic.

2. Make certain all components are in place. If

replacements are necessary, refer to Section 7.

3. Check all bearing surfaces for wear. Replace

worn or damaged parts.

4. Inspect the head for flattened, chipped, or broken

surfaces. Replace worn or damaged parts.

7. REPLACEMENT AND REPAIR

Replacement parts are listed in Figure 7. A complete

inventory can be stocked and controlled to prevent lost

time when replacement of parts is necessary. Order

replacement parts through your TE representative, or

call 1-800-526-5142, or send a facsimile of your

purchase order to 1-717-986-7605, or write to:

CUSTOMER SERVICE (038-035)

TYCO ELECTRONICS CORPORATION

PO BOX 3608

HARRISBURG PA 17105-3608

For customer repair service, call 1-800-526-5136.

8. REVISION SUMMARY

Revisions to this instruction sheet include:

•Changed company name and logo

ITEM TE PART NUMBER DESCRIPTION QTY PER

ASSY

1904092-1 PAWL, Locating 1

223147-3 SPRING, Compression 1

3312149-1 ADJUSTER, Rod Insertion 1

422488-5 SPRING, Compression 1

5904087-1 RAM 1

62-22279-5 SPRING, Compression 1

7904093-1 ROD, Push 1

821003-1 SCREW, Flat Head Cap, 0-80 x .12 1

91-23147-2 SPRING, Compression 2

10 904086-1 CLAMP, Wire Guide 2

11 21949-1 PIN, Spiral Wrapped 5

12 904129-1 BLOCK, Wire 2

13 904085-1 GUIDE, Wire 1

14 1-21000-4 SCREW, Socket Head Cap, 4-40 x .38 1

15 21028-2 PIN, Slotted Spring 1

16 904084-1 BLOCK, Inserter 1

17 1-21000-7 SCREW, Socket Head Cap, 4-40 x .75 1

18 904083-1 HEAD 1

408-4406

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Rev C

Figure 7

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