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techtalk:ref:tools025 [2020/05/23 23:46] hippysmack [Using a Torque Wrench] |
techtalk:ref:tools025 [2020/06/18 02:46] hippysmack [Dry Torque Specs ft/lb] |
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| {{:techtalk:ref:tools:torque_wrench_maintenance_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:ref:tools:torque_wrench_maintenance_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\ | {{:techtalk:ref:tools:torque_wrench_maintenance_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:ref:tools:torque_wrench_maintenance_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\ | ||
| + | |||
| + | Related videos: | ||
| + | * [[https://www.youtube.com/watch?v=DQdOgW0Vl5Y|Clicker type torque wrench repair]] (includes disassembly) | ||
| ====== Torque Wrench and Accuracy ====== | ====== Torque Wrench and Accuracy ====== | ||
| Line 210: | Line 213: | ||
| * Beam wrench: | * Beam wrench: | ||
| * As you pull tighter, you will notice the handle bend slightly. \\ This calibrated bending is the result of applied torque. Watch the end of the needle located just above the handle. \\ As the beam bends, the needle points to the amount of torque being applied. | * As you pull tighter, you will notice the handle bend slightly. \\ This calibrated bending is the result of applied torque. Watch the end of the needle located just above the handle. \\ As the beam bends, the needle points to the amount of torque being applied. | ||
| + | * Continue to turn the fastener, and allow the handle to rotate so that the pivot is the only thing contacting the beam. \\ Some handles have a pivot piece that you actually are holding. \\ Arrange it so the handle 'floats' with you instead of cocking sideways against the bending beam. | ||
| * Keep your eyes looking straight at the center bar end and the torque scale. \\ It's hard to impossible to judge when the pointer is on the right value looking from the side. | * Keep your eyes looking straight at the center bar end and the torque scale. \\ It's hard to impossible to judge when the pointer is on the right value looking from the side. | ||
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| * These are only generalized specs that do not take into account the difference in steel and aluminum threading. See your FSM or instruction manual for specific torque values per application. | * These are only generalized specs that do not take into account the difference in steel and aluminum threading. See your FSM or instruction manual for specific torque values per application. | ||
| + | | **Steel Fasteners** ||||||||||| | ||
| ^Size/Grade^1/4"^5/16"^3/8"^7/16"^1/2"^9/16"^5/8"^3/4"^7/8"^1"^ | ^Size/Grade^1/4"^5/16"^3/8"^7/16"^1/2"^9/16"^5/8"^3/4"^7/8"^1"^ | ||
| |SAE 2|6|12|20|32|47|69|96|155|206|310((Clymer 2004-2013 HD Sportster Repair Manual))| | |SAE 2|6|12|20|32|47|69|96|155|206|310((Clymer 2004-2013 HD Sportster Repair Manual))| | ||
| Line 475: | Line 480: | ||
| |SAE 7|13|25|44|71|110|154|215|360|570|840((Clymer 2004-2013 HD Sportster Repair Manual))| | |SAE 7|13|25|44|71|110|154|215|360|570|840((Clymer 2004-2013 HD Sportster Repair Manual))| | ||
| |SAE 8|14|29|47|78|119|169|230|380|600|700((Clymer 2004-2013 HD Sportster Repair Manual))| | |SAE 8|14|29|47|78|119|169|230|380|600|700((Clymer 2004-2013 HD Sportster Repair Manual))| | ||
| + | \\ | ||
| + | |||
| + | **The following torque values (from engineersedge.com) are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners**. ((https://www.engineersedge.com/material_science/torque_values_stainless_steel_13353.htm)) \\ | ||
| + | For other friction conditions, significant modifications may be required. \\ | ||
| + | The following chart is a reprint from this site. \\ | ||
| + | | **Torque Values for Stainless Steel and Nonferrous Fasteners (inch series)** ||||||| | ||
| + | ^Bolt Size^18-8 Stainless Steel \\ Torque in-lbs^316 Stainless Steel \\ Torque in-lbs^Silicon Bronze \\ Torque in-lbs^Monel \\ Torque in-lbs^Brass \\ Torque in-lbs^2024-T4 Aluminum \\ Torque in-lbs^ | ||
| + | |4-40|5.2|5.5|4.8|5.3|4.3|2.9| | ||
| + | |4-48|6.6|6.9|6.1|6.7|5.4|3.6| | ||
| + | |5-40|7.7|8.1|7.1|7.8|6.3|4.2| | ||
| + | |5-44|9.4|9.8|8.7|9.6|7.7|5.1| | ||
| + | |6-32|9.6|10.1|8.9|9.8|7.9|5.3| | ||
| + | |6-40|12.1|12.7|11.2|12.3|9.9|6.6| | ||
| + | |8-32|19.8|20.7|18.4|20.2|16.2|10.8| | ||
| + | |8-36|22|23|20.4|22.4|18.0|12.0| | ||
| + | |10-24|22.8|23.8|21.2|25.9|18.6|13.8| | ||
| + | |10-32|31.7|33.1|29.3|34.9|25.9|19.2| | ||
| + | |1/4-20|75.2|78.8|68.8|85.3|61.5|45.6| | ||
| + | |1/4-28|94|99|87|106|77|57| | ||
| + | |5/16-18|132|138|123|149|107|80| | ||
| + | |5/16-24|142|147|131|160|116|86| | ||
| + | |3/8-16|236|247|219|266|192|143| | ||
| + | |3/8-24|259|271|240|294|212|157| | ||
| + | |7/16-14|376|393|349|427|317|228| | ||
| + | |7/16-20|400|418|371|451|327|242| | ||
| + | ^Bolt Size^18-8 Stainless Steel \\ Torque ft-lbs^316 Stainless Steel \\ Torque ft-lbs^Silicon Bronze \\ Torque ft-lbs^Monel \\ Torque ft-lbs^Brass \\ Torque ft-lbs^2024-T4 Aluminum \\ Torque ft-lbs^ | ||
| + | |1/2-13|43|45|40|48.7|35.2|26| | ||
| + | |1/2-20|45|47|42|51|37|27| | ||
| + | |9/16-12|56|59|53|65|47|34| | ||
| + | |9/16-18|62|65|58|71|51|38| | ||
| + | |5/8-11|92|96|86|111|76|60| | ||
| + | |5/8-18|103|108|96|123|85|67| | ||
| + | |3/4-10|127|131|118|153|104|82| | ||
| + | |3/4-16|124|129|115|149|102|80| | ||
| + | |7/8-9|194|202|178|231|159|124| | ||
| + | |7/8-14|193|201|177|230|158|124| | ||
| + | |1 - 8|286|299|265|344|235|184| | ||
| + | |1 - 14|259|270|240|311|212|166| | ||
| ===== Wet Torque Value Chart for Lubed Threads From Allied Systems ===== | ===== Wet Torque Value Chart for Lubed Threads From Allied Systems ===== | ||
