1 of 2 ? 2015 te connectivity family of companies all rights reserved *trademark te connectivity, te connectivity (logo), and te (logo) are trademarks. other logos, product, and/or company names may be tra demarks of their respective owners. product information 1 - 800 - 522 - 6752 this controlled document is subject to change. for latest revisi on and regional customer service, visit our website at www.te.com . instruction sheet 408 - 8640 13 aug 15 rev c current part number previous part number description head size (mm [in.]) peset torque 1055258 - 1 2098 - 0275 - 54 type a for sma connectors 7.9 [5/16] 8 in. - lbs 1055516 - 1 2098 - 5642 - 54 type b for sma connectors 7.9 [5/16] 8 in. - lbs 1055850 - 1 2 598 - 5235 - 54 type a for smc connectors 5.9 [15/64] 2.6 in. - lbs 1055787 - 1 2598 - 5014 - 54 type a for ssma/ossm * connectors 6.4 [1/4] 5 in. - lbs 1055789 - 1 2598 - 5024 - 54 type a for ssma/ossm connectors 4.7 [3/16] 3 in. - lbs 1055853 - 1 2098 - 5243 - 54 type a for smb/smc connectors 5.6 [7/32] 8 in. - lbs 1055267 - 1 2098 - 0299 - 54 type a kit (includes 2 heads) 6.4 [1/4] and 7.9 [5/16] 8 in. - lbs 2119704 - 1 n/a type b for osmm connectors 4.8 [3/16] 3 in. - lbs +1.0/ - 0.5 figure 1 1. introduction the mini torque wrenches listed in figure 1 are used to properly install or disassemble the described connectors. figure 1 also lists the previous part numbers of the wrenches, description and size, and preset torque for each wrench. note all numerical values in this instruction sheet are in u.s. customary units. dimensions are in metric units [with u.s. customary units in brackets]. figures and illustrations are for reference only and are not drawn to scale. reasons for reissue of this instruction sheet are provided in section 5, revision summary. 2. description each mini torque wrench consists of a pro tective cover, torque wrench, and a fillister head screw (which permits replacement or change of various wrench heads). type a wrench is equipped with an open - end head, and type b wrench is equipped with a partially - closed socket head and extension arm. refer to figure 2 for head and extension arm replacement part numbers. the wrenches are designed to be used in the clockwise or counterclockwise direction. mini torque wrenches open - end head screw torque wrench protective cover type a wrench type b wrench partially closed socket head extension arm 114 mm [5.5 in.] original instructions
408 - 8640 rev c 2 of 2 replacement description (mm [in.]) 1055265 - 1 7.9 [5/16] type a open - end head 1055264 - 1 6.4 [1/4 ] type a open - end head 1403926 - 1 5 .9 [ 15/ 6 4 ] type a open - end head 1406702 - 1 4.7 [3 /16] type a open - end head 1055784 - 1 7.9 [5/16] type b socket head 1055786 - 1 type b extension arm 2119705 - 1 4.8 [3/16] type b socket head figure 2 3. operation note if a wrench has not been used recently, move the head back and forth several times, listeni ng for audible clicks. moving the head back and forth spreads lubricant throughout the internal mechanism to improve wrench performance. using the appropriate - sized head (refer to figure 1), and turn the wrench clockwise or counterclock wise until there is an audible click. this click indicates that the torque has been achieved. caution do not over - tighten the connector with the wrench. over - tightening could result in inaccurate torque settings. 4. replacement (refer to figure 3) type a heads are interchangeable. remove the screw securing the head to the wrench. remove the head. then install the appropriate head listed in figure 2. type b heads are replaceable. remove the screw securing the head and extension arm to the wrench. remove the head and extension arm. break the press fit between the head and extension arm. replace the components in the reverse order of removal. see figure 2 for replacement parts. order replacement parts through your te representative, or call 1 - 800 - 522 - 6752, or send a facsimile of your purchase order to 717 - 986 - 7605, or write to: customer service (38 - 35) tyco electronics corporation po box 3608 harrisburg, pa 1 7105 - 3608 5. revision summary ? added new part number and related information to tables in figures 1 and 2 figure 3 open - end head screw screw partially closed socket head extension arm
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