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58614-1 Datasheet(PDF) 4 Page - TE Connectivity Ltd |
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58614-1 Datasheet(HTML) 4 Page - TE Connectivity Ltd |
4 / 6 page 408-4228 4 of 6 Rev C 3. Position the contact so that the mating end of the contact is on the locator side of the tool, and so that the open "U" of the wire and insulation barrels must face the top of the tool. Place the contact up into the nest so that the movable locator drops into the slot in the contact. Refer to Figure 3. Butt the front end of the wire barrel against the movable locator. CAUTION ! Make sure that both sides of the insulation barrel are started evenly into the crimping section. Do not attempt to crimp an improperly positioned contact. 4. Hold the contact in position and squeeze the tool handles together until ratchet engages sufficiently to hold the contact in position. Do NOT deform insulation barrel or wire barrel. 5. Insert stripped wire into contact insulation and wire barrels until it is butted against the wire stop, as shown in Figure 3. 6. Holding the wire in place, squeeze tool handles together until ratchet releases. Allow tool handles to open and remove crimped contact. NOTE i The crimped contact may stick in the crimping area, but the contact can be easily removed by pushing downward on the top of the locator (see Figure 3). 7. Check the contact's crimp height as described in Section 6, Crimp Height Inspection. If necessary, adjust the crimp height as described in Section 7, RATCHET ADJUSTMENT. 6. CRIMP HEIGHT INSPECTION Crimp height inspection is performed through the use of a micrometer with a modified anvil, commonly referred to as a crimp-height comparator. Tyco Electronics does not manufacture or market crimp- height comparators. Detailed information on obtaining and using crimp-height comparators can be found in Instruction Sheet 408-7424. Proceed as follows: 1. Refer to Figure 1 and select a wire (maximum size) for each crimp section listed. 2. Refer to Section 5, CRIMPING PROCEDURE, and crimp the contact(s) accordingly. 3. Using a crimp height comparator, measure the wire barrel crimp height as shown in Figure 4. If the crimp height conforms to that shown in the table, the tool is considered dimensionally correct. If not, the tool must be adjusted. Refer to Section 7, RATCHET ADJUSTMENT. 7. RATCHET ADJUSTMENT (Figure 5) 1. Remove the lockscrew from the ratchet adjustment wheel. WIRE SIZE AWG (Max) CRIMP SECTION (WIRE SIZE MARKINGS) CRIMP HEIGHT DIM.(A) AND TOLERANCE (±) .05 [.002] 20 24-20 L 1.02 [.040] 18 18 1.30 [.051] 20 24-20 S 1.02 [.040] Figure 4 2. With a screwdriver, adjust the ratchet wheel from the locator side of the tool. 3. Observe the ratchet adjustment wheel. If a tighter crimp is required, rotate the adjustment wheel COUNTERCLOCKWISE to a higher-numbered setting. If a looser crimp is required, rotate the adjustment wheel CLOCKWISE to a lower- numbered setting. 4. Replace the lockscrew. 5. Make a sample crimp and measure the crimp height. If the dimension is acceptable, replace and secure the lockscrew. If the dimension is unacceptable, continue to adjust the ratchet, and again measure a sample crimp. Lockscrew (Typ) Ratchet Adjustment Wheel Screwdriver Figure 5 |
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