InstructionSheet Feed-ThroughHeadAssembly58443-1 408--9607 ForDiscreteWireMTA-156Receptacles 20DEC 10 RevC Locating Feed Pawl Slide Insert Housing Wire Subassembly Retainer Rod Inserter Adjuster Wire Inserter (Hidden) Figure 1 Features of the head assembly (shown in Figure 1) 1. INTRODUCTION and functions are as follows: Feed--Through Head Assembly 58443--1 is used to terminate discrete wires onto MTA--156 Receptacles Wire inserterforces the wire into the two slotted 640599-- (for wire size 18 AWG) and Receptacles beams of the contact. Note that it provides support for 640604-- (for wire size 26 AWG) with a maximum the contact beams when applying insertion force on insulation diameter of 2.41 mm .095 in Read these the wire. instructions thoroughly before using the head. Rod inserter adjusteris a piston for the wire inserter The head must be mounted onto one of the following and regulates wire inserter travel. tools (for operating procedure for the tool, refer to the instructions packaged with the tool): Feed slideautomatically positions the receptacle after each termination. Pistol Grip Manual Handle Assembly 58074--1 (408--6790) Locating pawlaligns the receptacle for insertion, Electric Power Unit 931800--1 (409--5746) and retains it during termination. The locating pawl is sometimes referred to as the anti--backup pawl. Pistol Grip Pneumatic Handle Assembly 58075--1 (408--6789) Insert housingholds the receptacle in place in Pneumatic Power Bench Assembly 58338--1 relation to the wires. (408--9393) Wire subassembly retainerholds the wires in place All numerical values in this instruction sheet are NOTE in relation to the receptacle. in metric units with U.S. customary units in brackets . Dimensions are in millimeters and i inches . Figures are not drawn to scale. 3. TESTCRIMPANDHEADADJUSTMENTS Reasons for reissue of this instruction sheet are 3.1. TestCrimp provided in Section 8, REVISION SUMMARY. 1. Make a termination according to Section 4, Steps 1 through 6. If the receptacle cannot be 2. DESCRIPTION inserted into the head, or if the receptacle is too The head serves as a guide and support for the loose in the head, adjust the insert housing receptacle during termination. according to Paragraph 3.2. E2010TycoElectronics Corporation, Berwyn, PA TOOLING ASSISTANCE CENTER1--800--722--1111 This controlled document is subject to change. 1 of 5 PRODUCT INFORMATION1--800--522--6752 Forlatest revision and Regional CustomerService, All Rights Reserved visit ourwebsite atwww.tycoelectronics.com TE logo and Tyco Electronics are trademarks. LOCB *Trademark. Otherproducts names, logos, orcompany names might be trademarks of theirrespective owners. ORIGINAL INSTRUCTIONS408-9607 Feed-ThroughHeadAssembly58443-1 2. After making the test crimp, depress the locating 3.3. WireInsertionDepthAdjustment pawl and push the receptacle out of the RIGHT 1. Remove the head from the tool. side of the head. 2. If the wire is inserted too deep, turn the rod 3. Inspect the termination according to Section 5. inserter adjuster clockwise one--sixth of a If necessary, make the following adjustment: revolution (the wire insertion depth will be For the manual handle assembly or electric decreased by approximately 0.20 mm .008 in. ). power unit, if the wire is inserted too deep or not If the wire is not inserted deep enough, turn the rod deep enough in the contact slot, adjust the wire inserter adjuster counterclockwise one--sixth of a insertion depth according to Paragraph 3.3. Then, revolution (the wire insertion depth will be repeat the termination procedure and inspection. increased by approximately 0.20 mm .008 in. ). For the pistol grip pneumatic handle assembly RefertoFigure4. or pneumatic power bench assembly, if the wire is inserted too deep in the contact slot, adjust the 4. TERMINATIONPROCEDURE wire insertion depth according to Paragraph 3.3. If the wire is not inserted deep enough in the 1. Determine the wire size and select the contact slot, increase the air pressure by 69 kPa appropriate receptacle (receptacles are 10 psi , and repeat the termination and inspection color--coded according to wire size). procedure until either the proper insertion depth is obtained or the air pressure is set to 483 kPa 2. Install the head onto the tool according to the 70 psi . If the proper insertion depth is not reached instructions packaged with the tool. at 483 kPa 70 psi , return the air pressure to 3. Refer to Figure 2, and: 276 kPa 40 psi , and adjust the wire insertion depth according to Paragraph 3.3. Then, repeat for the electric power unit, insert the receptacle the termination procedure and inspection. into the LEFT side of head (in the direction of the arrow) until the first contact aligns with the wire 3.2. InsertHousingAdjustment inserter. If the receptacle cannot be inserted into the head, or for the manual handle assembly, pistol grip if the receptacle is too loose in the head, loosen the pneumatic handle assembly, and pneumatic power two screws on the insert housing, and adjust the bench assembly, depress and hold the trigger or insert housing until the receptacle fits properly in the foot pedal (the wire inserter should extend), and head. insert the receptacle into the LEFT side of head (in Discrete Wires Wire Inserter Locating (Hidden) Pawl Funnel Area Index Ribs of Receptacle Left Side of Head Wire Sub--Assembly Retainer Retainer Latch Pistol Grip Manual Handle Assembly (Ref) Feed Slide Receptacle Figure 2 2 of 5 TycoElectronicsCorporation RevC