�#N]H_���z"��h��i��|��Fu_:�� ��! Facilities are provided to enable the breaker to be repositioned at a later time if so required . Continued tightening to the recommended torque level will over insert the bushing. People will always tighten vise … I accuse a co worker of being engaged in a tightening contest with me. The table is also available as a PDF file. Table 1 Clip Size (in.) %PDF-1.6 %���� Adobe InDesign CS3_J (5.0.2) Threads per inch Tensile Stress Area (sq. ?����?�X�lu�2gn,��\ ��}�;~6���e9ԅ���Z�R���6۝�P��_�&ͤ��̯�tй��I�T��i�ui���nH ��͊� Doing a bolt up to the specified torque should set the tension in the bolt to approximately 85% of the proof load given in the table on page 6. Note) To achieve stable accuracy when tightening the LM 355 0 obj <> endobj 402 0 obj <>/Encrypt 356 0 R/Filter/FlateDecode/ID[<09662620C8504D9FB9EDBEDE997BC876>]/Index[355 111]/Info 354 0 R/Length 182/Prev 620274/Root 357 0 R/Size 466/Type/XRef/W[1 3 1]>>stream Tightening Torque Tightening Torque Tightening Torque Tightening Torque The torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. Tighten fasteners to the specified torque using a good quality torque wrench. 5/16" sizes are in . "BA CAMSHAFT SPROCKET BOLT TIGHTENING (1) Using a wrench, hold the camshaft at its hexagon and tighten the bolt to the specification. naval ships’ technical manual chapter 075 fasteners this chapter supersedes nstm chapter 075 dated 15 september 1997 distribution statement a: approved for public release; distribution is The system comprises a tightening bolt head which shears off when the correct torque is reached . �r�9v order with a tightening force just enough to have the rail closely contact the side mount-ing surface. N m 8 11. ASTM A574 Clamp Load (lbs) Tightening Torque K = 0.15 K = 0.17 K = 0.20 Coarse Thread Series #1 0.0730 64 0.0026 275 3.0 in-lbs 3.4 in-lbs 4.0 in-lbs This expression is often called the short-form equation. After reaching the recommended bolt torque value once, stop. Torque control method Bolt tightening is controlled by specific torque value. MD998785 (2) Loosen the bolt and remove the sprocket. As the clamping force is a linear function of both the turning angle of the screw and the pitch of the thread, there is a direct relation between the clamping force and the tightening torque within the elastic range of the screw elongation. dane, Just curious about something I learned – one design called for 1 1/2″ Gr 8 bolt with 2200 ft-lb tightening torque. inch lb. uuid:cce8dd93-7780-42ff-9806-c5493935c29d h�bbd```b``����@$C0�d�"��@$[X��� LNG�Y����`�`6�4�;l�T)Xf����l�^F�u`�6���.�������&��H�F�ҫ��f��,��$#صLe`��|��Ôf��I�J�Kl�� �ߡ&F���0a`%�D�g`�:` �� endstream endobj startxref 0 %%EOF 465 0 obj <>stream 3. Minimum No. cast in multiple segments. An alternate method is called the ‘turn of the nut’ wherein you tighten the bolt until it ‘feels snug’ before rotating it … All figures in the table below are in Newton meters and inch-pounds. 1. in.) �. H��Wko�:�n ��_p�ƌH���h The lever must … * If lubrication has been applied to the bolt and/or the nut (other than the normal protective oil … A torque wrench is a tool used to apply a specific torque to a fastener such as a nut, bolt, or lag screw.It is usually in the form of a socket wrench with special internal mechanisms.. A torque wrench is used where the tightness of screws and bolts is crucial. All other torque values are in foot lb. 50 63 80 50 63 80 Dog Switch application/pdf above 1". 2013-11-29T11:24:46+09:00 from failing when tightening. The fatigue strength of bolt under repeated load should not exceed the specified tolerance. The maximum recommended torques given in the table below assume that the threads are lightly oiled. To install the larger sizes align the tongue and pocket of the couplings appropriately and tighten the nuts alternately to the specified bolt torque. �wF��{�0���-�X�ʔ���@G��r0��Ԓ����T���,`���6�?��î!��imo�+Sl�jkO��"�2%�~�D6�ʤ�I�{C��X�Ubv_�v�.���{����V�GYЏ�`6������"����0��i��GA�#ވ]B"�5���˒܍�=و�Ps��%�7���hW翗��e "㨚)��A,�6ȽLbEq�[�K�}�߇O$O�&�G*��=Ԇ�(����/�VZy'8]J �e܋ As torque is applied to the nut of the coupling, an inward radial ... • By use of a tension band and a means of tightening the band, the retainer is brought to bear directly upon the component ... • T-Bolt Latch should be used for semi-permanent closures and for additional safety on pressure vessels. APFH-4.12 use torque wrench to retighten nuts to recommended torque. Turn until the wrench “clicks” to ensure proper seating and tightness. now the engineer claimed that by specifying a 1000 ft-lb tightening torque will be adequate based his calculation. STEP 6: (Torquing the bolt) When tightening bolts, particularly TITANIUM rods, bolts must be torqued to 20% of the total required torque and then in one smooth motion torque the bolt to the final torque spec without stopping. 2. (b) the load will be 90% of the bolt yield strength (c) the coefficient of friction (µ) is 0.14 (d) the final tightening sequence is achieved smoothly and slowly, until the torque tool indicates full torque has been obtained. �M��7ǖ��٣��ܬ_���抢e�{��L!5f�df�k��#���f�6�Ž�w�$ �Hq��Pfġ�v��#� ��NAAe�p��Ҥ':�V� 10. ** Torque values for 1/4" and . govern lock nuts . �M�Y�rS�>�3X endstream endobj 3 0 obj <> endobj 6 0 obj <> endobj 11 0 obj <> endobj 12 0 obj <> endobj 14 0 obj <> endobj 13 0 obj <> endobj 10 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>/MC1<>/MC2<>/MC3<>/MC4<>/MC5<>/MC6<>>>>>/Rotate 0/StructParents 0/TrimBox[36.8499 36.85 1068.66 765.354]/Type/Page>> endobj 15 0 obj <>stream 2013-11-29T11:24:46+09:00 Recheck all bolt torque values after the initial drive run-in, and periodically … IFI-100 does not . The breaker range comprises single pole, single pole with switched neutral, double of Clips Amount of Rope to Turn Back in Inches * Torque in Ft.Lbs. Repeat the tightening process with the torque wrench on the non-drive side. On bolt torque- machinists are apes when it comes to tightening bolts! where T = torque, K = nut factor, sometimes called the friction factor, D = bolt diameter, and F = bolt tension generated during tightening. Clamp loads estimated as 75% of proof load for specified bolts. 1 0 obj <> endobj 5 0 obj <>/Font<>>>/Fields[]>> endobj 2 0 obj <>stream 4) Remove the stopper bolt of the head cover, and mount a different stopper bolt for other angles using the tightening torque below. Loosen the pinch bolt, then install the front wheel into the fork dropouts. The minimum value will create a leakproof seal under most conditions. (Confirm the direction of the angle display.) Torque … Close the lever. ( Fig.9 ) (4) Tighten the mounting bolts at the designated torque using a torque wrench. 8a N m 8b 8 10. Open the axle lever and pinch bolt. tightening torque. Applying torque values greater than the maximum recommendation will distort and/or crack the fitting. �$,�/�%�;��b�*�G0a�֩?���(�7&�Ã��"�� ߌ��t(����x,�No��#�+��P&��Q\�U׃���?�6�^&��J6� ��wEV�qq��ݲX^��j�;6�V�MU�,[��yVW��\\u�Nu�?P9��N$���7�4x�כ��������yE����!�C�҇�r�C���Icn�4e&��H�q��nVՍ[�̻^���;�36%�׋jS��Ա8se�������*[^9��auE>�":��l�n0��oX5g5XyE����u�r˫z�nn�����u��E5cŚm�n�I�n�҈[ �i����`�#�ؽ!�ZN�7꜁�>���Z��].�l�FeY�������������$R��T�CDr�-����Wyͥ��Z&o�� 7�M�fn>�ղ�r�l�2oj��C=S|�� �n (See Fig.10 , and Table1 and Table2 on B .) Page 12 1-4 GENERAL INFORMATION Before Servicing Tightening Torque Incorrect torque applied to a bolt, nut, or screw may lead to serious damage. This is the most widely used method. Tighten plastic insert or crimped steel-type lock nuts to approximately 50 percent of the dry torque shown in the chart, applied to the nut, no to the bolt head. 2013-11-29T11:24:46+09:00 Using a torque wrench, tighten the drive side bolt by turning towards the front of the bike to 8Nm maximum (8b). Below is a table of torque equivalents and formulas for conversions follow the torque table. Record this torque spec as this is the exact torque spec that you will be using to install your rods in the motor. NOTE: Sizes 16" and larger are * Refer to page 26 with bolt torque table. Often, the tightening sequence is followed twice-initial tightening and final tightening with torque wrench. Table 1 Model Selection ... Then mount the switch cassette using the tightening torque below. However, only about 10% of the torque applied is transferred into clamping force. When properly assembled there will be a small equal gap between the adjacent bolt pads. In accordance with good rigging and maintenance practices, the wire rope end termination should be inspected periodically for wear, abuse, and general adequacy. _���9C�h\�:��5y��qq�G�! You can look up the recommended tightening torque for a given fastener size in my bolt sizing calculator or in a table like the one found here. breaker connections are tightened to the correct torque . spread out. Tighten toothed or serrated-type lock nuts to the full torque value. Page 30 (2) Tighten the camshaft sprocket bolt to the specified torque. The values shown in the chart are to be used as a mid-range guideline. A washer is a thin plate (typically disk-shaped, but sometimes square) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a bolt or nut.Other uses are as a spacer, spring (Belleville washer, wave washer), wear pad, preload indicating device, locking device, and to reduce vibration (rubber washer). )حY�MuԂ�s ʃ��0�7� P *|. Slide the axle through the drive side dropout and hub. It allows the operator to set the torque applied to the fastener so it can be matched to the specifications for a particular application. I think we had the discussion when we were mapping Al’s Bport table. Adobe PDF Library 8.0 4. my comment to him was that then don’t use 1 1/2″ size bolt and go to a 7/8″ or whatever, so that I can save some money. Rope Size (in.) Hold the non-drive bolt with the hex wrench (8a). Turn the axle clockwise 5-6 complete turns into the axle nut. The torque values in the following table give minimum and maximum torque recommendations. Note that some companies do not specify torque for … �m�l�t��~�/�L��*Vj�7�^���R'v���{��h��ș�̙3���lU�W��/�������o޽=_�Y�f����D/� �JcI��~��cĮփDq#%�>��&�B���� * Tightening Torque (in-lbs through M8; M10 & over ft-lbs) METRIC FASTENERS Nominal Size or Basic Screw Dia. The turn of the nut method is a very popular and reasonably reliable method for tensioning A325 and A490 structural bolts without the need for expensive torque wrenches or tension measuring devices.It is a simple guide that tells the user to rotate the nut a specified amount depending on the bolt length and slope of the items being bolted together. of the bolt proof loads specified for SAE J-429 Grade 8, and ASTM A-354 Grade BD bolts. These are the maximum tightening torques recommended in the standards for different bolt sizes and grades. %PDF-1.6 %���� This is because over-tightening a coupling may result in overstressing and/or cracking. 9. Re-torque the bushing bolts after Step 8. uuid:826d1d7a-f55f-4cbd-b650-105fc3ea1f2b Bicycle Torque Specifications.

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