69097 datasheet(5/8 Pages) ETC2

5 / 8 page

408- 1697

of 8

Rev C

4. MAINTENANCE AND INSPECTION PROCEDURES

TE Connectivity recommends that a maintenance and

inspection program be performed periodically to

ensure dependable and uniform terminations. Dies

should be inspected at least once a month.

Frequency of inspection may be adjusted to suit your

requirements through experience. Frequency of

inspection is dependent upon:

The care, amount of use, and handling of the

dies.

The type and size of the products crimped.

The degree of operator skill.

The presence of abnormal amount of dust and

dirt.

Your own established standards.

Since there is a possibility of die damage in shipment,

new dies should be inspected in accordance with the

following instructions when received in your plant.

4.1. Cleaning

Do not allow deposits of dirt, grease, and foreign

matter to accumulate in the die closure surfaces and

on the bottoming surfaces of the dies. These deposits

may prevent the dies from bottoming fully and may

also cause excessive wear in the die closure

surfaces, thereby affecting the quality of the crimp.

The dies should be wiped clean frequently with a

clean cloth.

4.2. Visual Inspection

Visually inspect the die closure surfaces for broken,

pitted, or chipped areas. Although dies may gage

within possible limits, worn or damaged die closure

surfaces are objectionable and can affect the quality

of the crimp. Examples of possible damaged die

closure surfaces are shown in Figure 8.

4.3. Die Closure Inspection

Every die set is inspected for proper die closure

before packaging. An inspection should be performed

periodically to check the die closure for excessive

wear. The die closure inspection is accomplished

using the GO NO--GO plug gage. TE neither

manufactures nor sells plug gages. A suggested plug

gage design and the GO NO--GO dimensions of the

plug gage members are listed in Figure 9. The

following procedure is recommended for inspecting

the die closure.

Dies for the 69097 Tool

1. Clean oil and dirt from the die closure surfaces

and plug gage members.

2. Assemble the dies so that they are bottomed

but not under pressure. See Figure 10, Detail “A”.

Dies for the 69099 Tool

1. Clean oil and dirt from the die closure surfaces

and plug gage members.

2. Assemble and adjust the dies to meet the “gage

dimension” indicated in Figure 10, Detail “A”.

3. With the crimping dies assembled as described

in steps 1 and 2, check the wire barrel crimp die

closure using the proper plug gage. Hold gage in

straight alignment with the die closure and carefully

try to inset them without forcing the GO member

as shown in Figure 10, Detail “A”. The GO member

must pass completely through the die closure as

shown in Figure 10, Detail “B”.

4. Try to insert the NO--GO member. The NO--GO

member may enter partially, but must not pass

completely through the die closure. See Figure 10,

Detail “B”.

5. If the dies meet the GO NO--GO gage

conditions, the dies may be considered

dimensionally correct. If you find that the dies no

not conform with the GO NO--GO gage conditions,

contact your local TE Field Representative.

Figure 8

Chipped

Area

Flattened

Area

Pitted Area

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