Instruction Sheet TerminatingHead58247-1 ForMTA-156ReceptacleConnectors 408--6930 UsingDiscreteWire 19APR 11 RevF Locating Wire Mass Termination Assembly (MTA)--156 Pawl Inserter Insulation Displacement Contact (IDC) Closed--End Receptacle Connectors Feed Slide Tool Base With Lock Without Lock With Lock, Without Lock, (Ramp) (Ramp) With Polarizing With Polarizing Adjuster Tabs Tabs (Insertion Rod) Figure 1 Wire Inserter forces the wire into the two slotted 1. INTRODUCTION beams of the contact. Note that it provides support for Terminating Head 58247--1 (shown in Figure 1) is the contact beams when applying insertion force on designed to terminate discrete wire in MTA--156 IDC the wire. closed--end receptacle connectors with or without lock Adjuster (Insertion Rod) is a piston for the wire (ramp) and with or without polarizing tabs. Slotted inserter and regulates wire inserter travel. contacts for insulation displacement termination are pre--assembled on 3.96--mm .156--in. centerlines in Feed Slide automatically positions the connector each color--coded housing for a specific wire size. after each termination. Locating Pawl (or Anti--Backup Pawl) aligns the The head must be installed in Pistol Grip Manual Handle Assembly 58074--1 or Pistol Grip Pneumatic connector for insertion, and retains it during Handle Assembly 58075--1. For head installation and termination. removal, refer to Instruction Sheet 408--6790 for the manual handle assembly and 408--6789 for the 3. SETUPANDTESTINSPECTION pneumatic handle assembly. The adjuster (insertion rod) is preset for wire sizes 26 through 18 AWG. If the wire is being inserted too For detailed connector description and application deeply or not deeply enough inside the contact, it may requirements, refer to Application Specification be necessary to adjust the depth of the wire inserter 114--1020. or, in addition, if the pneumatic handle assembly is Read these and all referenced instructions thoroughly being used, it may be necessary to adjust the air pressure. Proceed as follows: before using the head. 3.1. Setup All numerical values in this instruction sheet are NOTE in metric units with U.S. customary units in 1. Determine the wire size, and select the brackets . Dimensions are in millimeters and appropriate color--coded connector from Figure 2. i inches . Figures are not drawn to scale. WIRESIZE(AWG) CONNECTORCOLORCODE Reasons for reissue of this instruction sheet are 26 Blue provided in Section 8, REVISION SUMMARY. 24 Natural 22 Red 2. DESCRIPTION 20 Yellow The head serves as a guide and support for the 18 Orange connector during termination. Features of the head (shown in Figure 1) and their function are as follows. Figure 2 E2011 Tyco Electronics Corporation, a TE Connectivity Ltd. Company TOOLING ASSISTANCE CENTER 1--800--722--1111 This controlled document is subject to change. 1 of 5 All Rights Reserved PRODUCT INFORMATION 1--800--522--6752 For latest revision and Regional Customer Service, *Trademark visit our website at www.te.com LOCB TE Connectivity, TE connectivity (logo), and TE (logo) are trademarks. Other logos, product and/or Company names may be trademarks of their respective owners. ORIGINAL INSTRUCTIONS408-6930 2. Using a small knife, cut off the wire retainers For the pneumatic handle assembly, if the wire is (strain relief) of the connector. This will provide a inserted too deeply (more than the required wire clear view for inspecting the connector for a insertion depth), refer to Section 4, WIRE properly terminated wire in the contact. See INSERTION DEPTH ADJUSTMENT. If the wire is Figure 3. not inserted deeply enough (less than the required wire insertion depth), increase the air pressure by Wire retainers are removed in a connector for CAUTION 69 kPa 10 psi . Repeat the termination procedure testing only. DO NOT use such connectors for and check the insertion depth. Continue in this production application. 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 3. Make a test termination according to Steps 1 reached at 483 kPa 70 psi , return the air pressure through 5 of Section 5, TERMINATING to 276 kPa 40 psi , and refer to Section 4. PROCEDURE. 6. Inspect the termination according to 4. Push the connector out of the right side of the Paragraph 3.2. head. 5. Check that the wire insertion depth is within the 3.2. TerminationInspection (Refer to Figure 3) dimension given in Figure 3. Refer to 114--1020 for detailed explanation of the NOTE To obtain the wire insertion depth, measure from NOTE termination inspection requirements. the front of the contact beam to the center of the i wire as shown in Figure 3 -- or -- measure from i the front of the contact beam to the back of the wire and subtract the wire diameter divided by 2. 1 The required wire insertion depth is within the dimension given in Figure 3 (refer to Step 5 of If it is not, proceed as follows: Paragraph 3.1 for measurement). For the manual handle assembly, refer to Section 4, WIRE INSERTION DEPTH 2 The end of the wire extends past the contact ADJUSTMENT. beam by at least 1.52 mm .060 in Termination Inspection Test Connector Production Connector Contact (Partially Removed) 5 Wire Wire Extends Past Wire Wire Insulation Retainer (Strain Relief) Not Nicked or Cut 4 Lock (Ramp, Ref) Wire Retainer (Strain Relief) Removed 1 2 3 Contact Beams 2.41+0.46/--0.13 mm .095+.018/--.005 in. 1.52 mm .060 in. Min Not Deformed Wire Insertion Depth End of Wire Extends Past (Front of Contact Beam to Center of Wire) Contact Beam Figure 3 2 of 5 Rev F