Tyco Electronics 58443-1 Manuel utilisateur

Instruction Sheet

Feed–Through Pistol Grip

Terminating Head Assembly 58443–1 408–9607

(was IS 9607)

LOC B

1 of 4

2003 Tyco Electronics Corporation, Harrisburg, PA

AllInternationalRightsReserved

AMP and Tyco are trademarks. *Trademark

Other products, logos, and company names used are the property of their respective owners.

TOOLINGASSISTANCE CENTER1–800–722–1111

FAX/PRODUCTINFO1–800–522–6752

For Regional Customer Service, visit our website at

www.tycoelectronics.com

This controlled document is subject to change.

For latest revision, call the FAX/PRODUCT INFO number.

16 JUL 03 Rev A

for Discrete MTA–.156 Connectors

Figure 1

Adjuster(Insertion

Rod) For Setting

WireInserter

Adjustment

Locating

Pawl

WireInserter

(NotShown)

Feed

Slide

WireSub–Assembly

Retainer

InsertHousing

1. INTRODUCTION

This instruction sheet covers operation and

maintenance of Terminating Head 58443–1 for use in

Electric Power Unit 931800–1, Pistol Grip Pneumatic

Handle Assembly 58075–1, or the Bench–Mount

Power Assembly 58338–1. Read these instructions

thoroughly before using the head.

For head installation and removal procedures, refer

to:

408–6789 (Pistol Grip Pneumatic Handle

Assembly 58075–1)

408–9393 (Bench–Mount Power Assembly

58338–1)

409–5746 (Electric Power Unit 931800–1)

Dimensions in this instruction sheet are in metric

units [with U.S. customary units in brackets].

Figures are for reference only and are not drawn

to scale.

Feed–ThroughHead 58443–1was designedfor

prototype cable assemblies, repair of cable

assemblies, and as an engineering tool. This

head was not designed for production type

environments.

Reasons for reissue of this instruction sheet are

provided in Section 8, REVISION SUMMARY.

2. DESCRIPTION

Feed–Through Head 58443–1 is used to terminate

18 to 26 AWG wires in MTA–156 Receptacles 640599

(with polarizing tabs) and 640604 (without polarizing

tabs). Refer to Catalog 82056 for connector informa-

tion. Slotted contacts for insulation displacement

termination are located .156–in. centerlines. Housings

are color–coded to correspond with specific wire

sizes.

The head, which is inserted into an electric power as-

sembly or bench–mount power assembly, serves as a

guide and support for the connector during termina-

tion. Features of the head (shown in Figure 1) and

functions are as follows:

Wire inserter

—forces wire into the two slotted beams

of the contact. Note that it provides support for the

contact beams when applying insertion force on the

wire.

Adjuster (insertion rod)

—is a piston for the wire

inserter and regulates wire inserter travel.

Feed slide

—automatically positions the connector

after each termination.

Locating pawl

—aligns the connector for insertion, and

retains it during termination. The locating pawl is

sometimes referred to as the “anti–backup pawl.”

NOTE

CAUTION

408–9607

MTA Terminating Head 58443–1

Rev A2 of 4

Figure 2

Test

Connector

Lock

(Ramp) WireRetainer

(Removed)

Lance

Contact(Partially

Removed)

Production

Connector

Cut in Wire

Deformation

Correct

FrontBeam

Contact

Slot

Lead–In

Wrong Wrong

3. SETUP ADJUSTMENTS AND TEST

The adjuster (insertion rod) of the wire inserter is pre-

set for 18–26 AWG wire. If the wire is being inserted

too deeply or not deeply enough inside the contact, it

may be necessary to adjust the air pressure or the

depth of the wire inserter.

3.1. For Electric Power Unit 931800–1

1. Determine the wire size, and select the

appropriate color–coded connector.

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

(strain relief). This will provide a clear view for

inspecting the connector for a properly terminated

wire in the contact. See Figure 2.

3. Place connector in tool and make a test

termination using procedure described in Section

4, TERMINATING PROCEDURE, Steps 1 through

6. If the connector cannot be inserted into the

head, or if the connector is too loose in the head,

loosen the two screws on the insert housing (see

Figure 1) and adjust the insert housing until the

connector fits properly in the head.

4. Push the connector out of the right side of the

head.

5. Inspect termination in accordance with Section

5, INSPECTION, Steps 1 through 6.

If the wire is inserted too deeply, refer to the proce-

dure in Paragraph 3.3, Wire Insertion Depth

Adjustment.

3.2. Pistol Grip Pneumatic Handle Assembly 58075–1

and Bench–Mount Power Assembly 58338–1

1. Perform the procedure outlined in Paragraph

3.1, For Pistol Grip Manual Handle Assembly,

Steps 1 through 4.

2. Inspect termination to ensure that conductor is

terminated past the lead–in transition and is

positioned about halfway into the contact slot. See

Figure 2.

3. Inspect termination to ensure that insulation is

2.29 to 2.74 [.090 to .108] beyond the front contact

beam.

4. If, upon inspection, it is determined that the wire

is not inserted deeply enough, increase the air

pressure by 69 kPa [10 psi], and repeat the

termination and inspection procedure. Continue in

this manner until either the proper insertion depth

is obtained or the air pressure is set to 483 kPa

[70 psi]. If the proper insertion depth is not reached

at 483 kPa [70 psi], return the air pressure to

276 kPa [40 psi] and follow the procedure in

Paragraph 3.3, Wire Insertion Depth Adjustment.

If the wire is inserted too deeply, refer to the proce-

dure in Paragraph 3.3, Wire Insertion Depth

Adjustment.

3.3. Wire Insertion Depth Adjustment(Figure 3)

A. Wire Too Deep

If the wire is inserted too deep in the wire contact slot,

remove the head from the tool, and turn the adjuster

clockwise

one–sixth of a revolution. The wire insertion

depth will be reduced by approximately 0.20 [.008].

Repeat the test procedure as described in Paragraph

3.1.

408–9607

MTA Terminating Head 58443–1

3of 4Rev A

B. Wire Not Deep Enough

If the wire is not inserted deeply enough in contact

slot, remove the head from the tool and turn the

adjuster

counterclockwise

one–sixth of a revolution.

The wire insertion depth will be increased by

approximately 0.203 [.008]. Repeat the test procedure

as described in Paragraph 3.1.

Figure 3

Adjuster

Counterclockwiseto Increase

Wire Insertion Depth

Clockwiseto Reduce

Wire Insertion Depth

Note: 1/6turn equals 0.20 [.008] adjustment.

4. TERMINATING PROCEDURE (Figure 4)

Determine the wire size and select the appropriate

connector. Connectors are color–coded according to

the wire sizes they will accommodate.

1. Insert connector into left side of head as shown

in Figure 4.

2. Align the contact to be terminated with the wire

inserter.

3. Be sure the locating pawl rests between the

connector index ribs.

4. Insert an unstripped wire into the funnel area

between the contact and the wire inserter until it

bottoms on the tool base.

5. Depress trigger (or squeeze cam handle) of

pistol grip handle assembly and hold it until the

inserter bottoms or the ratchet releases.

6. Release trigger (or cam handle). The inserter

will retract and the feed slide will automatically

advance connector to next contact position.

The locating pawl will move up and down as the

connectoris automaticallyadvanced throughthe

head. However, if movement is obstructed, or if

desirable, the locating pawl can be depressed

and the connector moved manually out the

RIGHT side of the head.

7. Repeat Steps 2 through 6 until all contacts have

been terminated.

8. Inspect each termination according to the

procedure in Section 5, INSPECTION, and

according to Application Specification 114–1032.

Figure 4

LocatingPawl

WireSub–Assembly

Retainer

FeedSlide

PneumaticPistol

GripHandle

Assembly

LeftSide

of Head

IndexRib

Wire(s)

NOTE

408–9607

MTA Terminating Head 58443–1

Rev A4 of 4

5. TERMINATION INSPECTION (Figure 2)

Inspect each termination to ensure the following:

1. Conductor is terminated past the lead–in

transition and is about halfway in the contact slot.

2. Insulation is 2.29 to 2.74 [.090 to .108] beyond

the front contact beam.

3. Wire is NOT bottomed in contact slot.

4. Contact beams are NOT deformed. If damage is

apparent, replace contacts in accordance with the

instructions packaged with the connector.

5. Insulation of wire is NOT nicked or cut in any

area other than the two wire slots.

6. Wire extends below the strain–relief features of

the connector.

Refer to Application Specification 114–1032 for more

inspection information.

6. TOOLING INSPECTION/MAINTENANCE

The following procedures have been established to

ensure the quality and reliability of your tooling. The

tooling should be checked daily, and a more detailed

inspection should be performed by your quality control

group on a regular basis.

6.1. Daily Maintenance

Each operator should be aware of, and responsible

for, the following steps of maintenance:

1. Remove dust, moisture, and other contaminants

with a clean brush, or soft, lint–free cloth. Do NOT

use objects that could damage the tool.

2. Make sure all components are in place and

properly secured.

3. Actuate the handle assembly to ensure

mechanisms inside the head move smoothly.

6.2. Quality Control Maintenance

Regular inspections should be performed by your

quality control personnel. A record of quality control

inspections should remain with the personnel respon-

sible for the tool. We recommend one inspection a

month; however, operator skill, amount of use, ambi-

ent working conditions, and your company’s

established standards are all factors in establishing

frequency of inspections.

1. Remove any accumulated film with a suitable

cleaning agent that will NOT affect plastic material.

2. Make sure all components are in place and are

properly secured.

3. Make a few test terminations and inspect the

termination in accordance with Section 5,

INSPECTION.

4. Check for chipped, cracked, worn, or broken

areas. If damage is evident, repair is necessary.

See Section 7, REPAIR.

7. REPAIR AND REPLACEMENT

Customer–replaceable parts are listed on customer

drawing 58443. A complete inventory should be

stocked and controlled to prevent lost time when

replacement of parts is necessary. Parts other than

those listed should be replaced by Tyco Electronics to

ensure quality and reliability. Order replacement parts

through your Tyco Electronics Representative, or call

1–800–526–5142, or send a facsimile of your

purchase order to 717–986–7605, or write to:

CUSTOMER SERVICE (038–035)

TYCO ELECTRONICS CORPORATION

PO BOX 3608

HARRISBURG PA 17105–3608

For customer repair service, please contact a Tyco

Electronics Representative at 1–800–526–5136.

8. REVISION SUMMARY

Revisions to this instruction sheet per EC

0990–0826–03 include:

Updated document to corporate requirements

Deleted Paragraph 3.4 from document

Deleted reference to “Feed Adjustment Screw”

in Figure 4

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