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 INSTRUCTIONS 408-6930 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 toFigure3) 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 408-6930 3 — The contact beams are NOT deformed. If 5. TERMINATINGPROCEDURE (Refer toFigure5) damage is apparent, replace the contacts in There is no wire preparation required. NOTE accordance with the instructions packaged with the connector. i 4 — The wire insulation is NOT nicked or cut in any area other than the two contact slots. 1. Insert the connector into the left side of the 5 — The wire extends past the wire retainer (strain head. relief) of the connector. 2. Align the contact to be terminated with the wire inserter of the head (shown in Figure 1). Make sure that the locating pawl rests between the connector 4. WIREINSERTIONDEPTHADJUSTMENT (SeeFigure4) index ribs. 1. Remove the head from the handle assembly. 3. Insert an unstripped wire into the funnel area 2. If the wire is inserted too deeply (more than the between the contact and the wire inserter until it required wire insertion depth), reduce the wire bottoms on the tool base. 1 insertion depth by turning the adjuster / of a 6 4. Squeeze the cam handle (manual) or depress revolution clockwise. The wire insertion depth will the trigger (pneumatic) of the handle assembly, be reduced by approximately 0.20 mm [.008 in.]. and hold it until the ratchet releases (manual) or the wire inserter bottoms (pneumatic). If the wire is bottomed in the contact slot, this CAUTION indicates that the adjuster is set to the maximum 5. Release the cam handle or trigger. The wire wire insertion depth — DO NOT turn the adjuster inserter will retract and the feed slide will ! counterclockwise; otherwise damage to the head automatically advance the connector to the next may occur. contact position. If the wire is not inserted deeply enough (less than The locating pawl will move up and down as the NOTE the required wire insertion depth), increase the wire connector is automatically advanced through the 1 insertion depth by turning the adjuster / of a 6 head. However, if movement is obstructed, or if i revolution counterclockwise. The wire insertion desired, the locating pawl can be depressed and depth will be increased by approximately 0.20 mm the connector moved manually out of the RIGHT [.008 in.]. side of the head. When turning the adjuster counterclockwise, 6. Repeat Steps 2 through 5 until all contacts have CAUTION been terminated. make sure to check the wire insertion depth after 1 EACH / revolution. If the adjuster is set past the 6 ! 7. Inspect each termination according to maximum setting, damage to the head may Paragraph 3.2. occur. 6. MAINTENANCEANDINSPECTION Wire Insertion Depth Adjustment 6.1. DailyMaintenance 1. Remove dust, moisture, and other contaminants with a clean, soft brush or lint--free cloth. DO NOT Turn CLOCKWISE to use objects that could damage the head. Reduce Wire Insertion Depth 2. Make sure that all components are in place and properly secured. 3. Actuate the tool to make sure that the mechanisms inside the head function smoothly. Adjuster 6.2. PeriodicMaintenance Turn COUNTERCLOCKWISE to 1. Remove any accumulated film with a suitable Increase Wire Insertion Depth cleaning agent that will not affect plastic. DO NOT Turn Past Maximum Setting 2. Make sure all components are in place and Refer to CAUTION properly secured. 1 Note: / Revolution Equals 0.20 mm [.008 in.] Adjustment 3. Check for chipped, cracked, worn, or broken 6 areas on the head. If damage is evident, repair or Figure 4 replace the head. Rev F 3 of 5 408-6930 Locating Pawl Wire Feed Slide Funnel Area Index Rib of Connector Pistol Grip Handle Assembly (Manual Shown) Tool Base Left Side of Head Figure 5 quality and reliability. Order replacement parts 6.3. Inspection through your representative, or call 1--800--526--5142, Regular inspections should be performed by quality or send a facsimile of your purchase order to control personnel with a record of quality control 717--986--7605, or write to: inspections remaining with the personnel responsible for the head. One inspection per month is the CUSTOMER SERVICE (038--035) recommended frequency; however, operator training TYCO ELECTRONICS CORPORATION and skill, amount of use, working conditions, and PO BOX 3608 established company standards are all factors to be HARRISBURG PA 17105--3608 considered in establishing inspection frequency. For customer repair service, call 1--800--526--5136. 7. REPLACEMENTANDREPAIR 8. REVISIONSUMMARY Customer--replaceable parts are listed in Figure 6. A complete inventory should be stocked and Revisions to this instruction sheet include: controlled to prevent lost time when replacement of S Updated document to corporate requirements parts is necessary. Parts other than those listed S New logo should be replaced by TE Connectivity to ensure 4 of 5 Rev F 408-6930 88.9 mm [3.50 in.] A A 25.4 mm [1.00 in.] 5 Section A--A 1 2 8 6 7 4 3 10 11 9 28.58 mm [1.125 in.] 12 15 Weight: 85g[3oz] 14 13 REPLACEMENTPARTS ITEM PARTNUMBER DESCRIPTION QTYPERHEAD 1 312150--1 HEAD, Finished 1 2 312138--3 HOUSING, Insert 1 3 6--22278--5 SPRING, Compression 1 4 312147--1 PAWL, Locating 1 5 4--22430--8 SCREW, Machine(4--40¢.875in. L) 4 6 21041--7 PIN, SpiralSpring 1 7 312192--1 PAWL, Feed 1 8 312154--1 INSERTER, Wire 1 9 22488--5 SPRING, Compression 1 10 312149--1 ADJUSTER, RodInsertion 1 11 312148--1 ROD, Inserter 1 12 3--21028--2 PIN, SlottedSpring 1 13 312153--1 CAM, TraverseSlide 1 14 1--23147--2 SPRING, Compression 1 15 312151--1 SLIDE, Feed 1 Figure 6 Rev F 5 of 5