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2-21002-4 Datasheet(PDF) 4 Page - TE Connectivity Ltd |
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2-21002-4 Datasheet(HTML) 4 Page - TE Connectivity Ltd |
4 / 6 page 408-2823 4 of 6 Rev Z 4. When the tool is not in use, keep handles closed to prevent objects from becoming lodged in the crimping dies. Store the tool in a clean, dry area. 5.2. Periodic Inspection A. Lubrication Lubricate all pins, pivot points, and bearing surfaces with SAE 20 motor oil as follows: — Tool used in daily production-lubricate daily — Tool used daily (occasional)-lubricate weekly — Tool used weekly-lubricate monthly Wipe excess oil from tool, particularly from crimping area. Oil transferred from the crimping area onto certain terminations may affect the electrical characteristics of an application. B. Visual Inspection 1. Close tool handles until ratchet releases and then allow them to open freely. If they do not open quickly and fully, the spring is defective and must be replaced. See Section 6, REPLACEMENT AND REPAIR. 2. Inspect crimping area for worn, cracked, or broken dies. If damage is evident, return the tool for evaluation and repair. See Section 6, REPLACEMENT AND REPAIR. C. Ratchet Inspection The ratchet feature on these hand tools should be checked to ensure that the ratchet does not release prematurely, allowing the dies to open before they have fully bottomed. 1. Squeeze the tool handles together, and count the number of ratchet stops. Five stops, including the release position, should be indicated by the movement of the ratchet pawl and the clicking sound associated with its movement. Refer to Figure 1. 2. If fewer positions are indicated, the ratchet pawl and ratchet handle must be replaced. Refer to Section 6, REPLACEMENT AND REPAIR. 3. If dies do not bottom after 5 ratchet stops, return tool for repair. Refer to Section 6, REPLACEMENT AND REPAIR. When the tool passes the ratchet inspection, lubricate it with a THIN coat of any good SAE 20 motor oil. D. Gaging the Crimping Chamber (Figure 5) 1. Remove traces of oil or dirt from the crimping chamber and plug gage. 2. In order to properly gage this tool, a terminal must be crimped in the crimping chamber being inspected. In place of a terminal, a soft material such as brass or solder may be used to seat the tooling. Figure 5 3. Close the tool handles until the crimping dies have bottomed; then hold in this position. DO NOT force the dies beyond initial contact. 4. Hold locator assembly away from crimping dies. Carefully insert GO element into the corresponding crimping chamber; do not force it. The GO element must pass completely through the crimping chamber. 5. In the same manner, try to insert the NO-GO element into the same crimping chamber. The NO- GO element may start entry, but must not pass completely through the crimping chamber. See Figure 5. CRIMPING CHAMBER COLOR CODE GAGE ELEMENT DIAMETER “W” (Width) Max GO NO-GO Red 1.981-1.988 [.0780-.0783] 2.181-2.184 [.0859-.0860] 4.69 [.185] Blue/Green 2.336-2.344 [.0920-.0923] 2.537-2.540 [.0999-.1000] 5.33 [.210] Yellow/Black 3.251-3.258 [.1280-.1283] 3.451-3.454 [.1359-.1360] 6.85 [.270] Suggested Plug Gage Design for Wire Crimping Chamber Inspection of Wire Crimping Chamber GO element must pass completely through the wire crimping chamber only. NO-GO element may enter partially, but must not pass completely through the wire crimping chamber. |
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