Adjustable, preset and interchangeable head models accurate to within 4% clockwise and 6% counterclockwise easy to read analog dial face limiting clutch prevents overtorquing easy to read torque setting ideal for low torque applications. Easy adjustment thanks to attractive adjusting button secured against. Select a torque wrench so your working range falls near the mid point of its capacity. When the wrench is not in use, keep it set below 25% of capacity. When the torque wrench is not in use, ensure adjustment at the lowest torque. The information here supplied is an acceptable guide for normal conditions. Setting the wrench horizontal and pushing down is not acceptable for calibration. Operation of controltechtm micro wrench is not warranted in an eu member state if operating instructions are not in that states language.
Torque and angle mode is setup by first setting a target torque and units then a target angle before selecting torque and angle mode. Mount the torque wrench with the drive end on a torque tester and click the. For production line applications requiring a sealed torque setting. Operating instructions micrometer adjustable torque wrench. The tool was invented back in 1918 by conrad bahr while he was working for the new york city water department. Operating wrench too quickly or with too much force may cause you to miss the exact torque setting. The tire rack adjustable torque wrench is great for handling tire and wheel duties.
It is used for valve covers, valve bodies, and interior fasteners. Torque wrench setting conversion table newton metres to pounds feet newton metres pound feet newton metres pound feet newton metres pound feet newton metres pound feet 1 0. Torque tools part 4 torque tools pdf download gedore. There are few things more stressful than trying to remove a bolt with no head. Iso 724 metric threads dimensions of metric threads according iso 724. Small torque wrenches are ranging from 10 to 250 inft. Torque wrench user guide, how to adjust a torque wrench. If you leave the wrench set to over 50% of the wrench capacity for more than a few hours, set the wrench to the lowest setting and leave it for a few minutes before using it again. 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. Click wrench again to confirm desired torque setting.
Put the torque wrench in place to make your adjustment. This manual has been compiled by draper tools describing the purpose for. Please read and understand entire manual, including. Cem3 digital torque wrench cem3 quality inspections verify original tightened torque tightening mode light and buzzer when lo setting reached save actual tightening torque data confirm tightening with quality torque inspections. Before operating the torque wrench, please read this manual completely, and keep it nearby for future reference. This torque wrench has been calibrated within its range to an accuracy of.
Torque screwdrivers and torque wrench are the same for working. Program the value necessary following the instructions in the target torque setting section. After using the wrench, loosen the locking nut and set the wrench setting to zero before storing. There are generally two different types of torque measurements on a click style torque wrench, depending on its size and purpose. Turn the wrench until you hear two clicks, this means that youve reached the correct level of torque. Lock torque setting by turning lock nut clockwise until snug.
There are basically three types of torque wrenches, the beam type, the click type and the dial type. Improvised torque wrench improvised torque wrench with luggage scale. Whether tightening head bolts on an automobile engine, lugs for tire and rim installation or inspecting fastener tolerances on highperformance equipment, it is extremely important that proper care is used. A preset torque wrench must be preset using a torque analyzer. Torque screwdrivers and wrenches that apply a set torque to a fastener.
A torque wrench is a device used to apply a specific amount of torque. The click type and dial type wrenches have more moving parts than the beam, and are susceptible to wear and will require recalibration. Manufacturer of torque wrench torque screwdriver, tt torque wrench, tti tethered torque wrenches and professional torque wrenches offered by techno toolings, ahmedabad, gujarat. Torque wrench setting conversion table newton metres. No external scale, torque set by a torque driver tester. How to calibrate a torque wrench calculation with picture. There is the standard american foot or inchpound settings and newton meter settings. The micrometer scale divides the main scale markings into 5 divisions. Type ii setting torque tools click torque tools the release point must be determined at intervals of 20%, 60% and 100% of the. Operate torque wrench the same as a standard socket wrench to tighten nutbolt. Digitorqon hdh series is a digital torque measurement device mounted between the manual handle. Torque wrench square drive axis with vertical orientation.
The wrench is preset to the required torque value of the application and then the tool signals the user when torque is achieved. Torque wrench torque screwdriver manufacturer from. As nutbolt becomes snug, slow operation to a smooth, steady pull. Torque wrench with signal output for tightening completion counting page 2 fh accessory sbfh256, setting box wirelessly set up the channel, wrench id, and receiver mode. Lubricated bolts and reduced torque lubrication effect on bolt tension and torque. It allows the operator to set the torque applied to the fastener so it can be matched to the specifications for a particular application. A torque wrench is a tool which is used to tight the nut and bolt and to prevent over tightening bolt. Torque wrench setting conversion table pounds feet. Published under authority of the secretary of the air force 10 may 1993 change 11 6 may 2008. Avoid this disaster by knowing their proper torque ratings. Designed to retain calibration for 30,000 cycles under normal use. Torque wrenches can often withstand serious wear and tear. This is because the weight of the wrench can affect the reading.
Understand, maintain and service your torque wrench. Standard interchangeable drive preset torque wrench. The bicycle specific torque value chart is also available as a pdf file. Operation and service instructions torque indicating devices distribution statement a approved for public release. I wanted to show people how to use a torque wrench this video will help the absolute beginners. Ford zetec engine torque wrench settings formula ford. There are standard american inch or footpound settings and. It most commonly takes the form of a socket wrench with a special internal mechanism. Submit recommended changes or problems with this technical order to 580 cbssgblca.
Proper torque wrench use and maintenance a torque wrench is a precision instrument designed to apply a specific amount of force to a fastener. This is used to determine the torque setting of a previously tightened fastener. Accuracy is guaranteed in the clockwise direction from 20% of capacity to full capacity. I needed a torque wrench for working on my sons truck, i didnt realize how expensive a nice digital. It is used for engine accessories, some wheel nuts, break component, interior component etc. If you hear a click from the wrench, then its time to lift the weight and move it gradually toward the end of the wrench. The torque wrench must be operated in either a horizontal plane, or positioned vertically and operated in a vertical plane. Freely set torque values within the capacity range. With a torque wrench set and the manufacturers torque value in hand, the problem is solved. This article will discuss the basics of torque and torque wrench use. Dqldqle2 dual square drives type adjustable torque wrench.
At low torque settings, pull wrench slowly to observe click. Spring and tilt block design help prolong wrench life and repeatability. If wrench has not been used or has been uations visible with the marked arrow in storage for some time, operate it elementary scale up, unlock knurled severol times at a low torque setting. In this case we want to set the torque wrench to 76 ftlbs. An adjustable torque wrench features a torque scale that allows you to see and adjust the torque setting. Digital electronic torque wrench 60648 yellow jacket. Approached target torque setting t arget torque green led reach 80% of target torque reach.
Torque tools part 6 torque tools pdf download gedore. How to set a click style torque wrench it still runs. The specified torque value is easily set using the scale attached to the wrench. This torque wrench manual pdf walks through the process for a clickadjustable torque wrench. A torque wrench is a tool that applies a specific amount of torque to a fastener typically a nut or a bolt. There are usually two types of torque measurements on a clickstyle torque wrench, depending on its purpose and size. Do refer to makers handbook or recognized repair manual for correct. Tightening your bolts too much or not enough can cause a part to fail, and depending on the part, can put your life and the lives of the. When it reaches the setting programmed into the wrench, it will collapse click at that inchpound, footpound or nm setting. Set the torque wrench to the proper torque setting and tighten the nut or bolt until the torque wrench clicks. Learn valuable information regarding setting verification and calibration intervals, as well as preventive maintenance for torque wrenches. Metric bolts tightening torques engineering toolbox. At the instant the wrench clicks, torque setting has been reached. If your wrench gives lower torque from the setting value of the wrench then you have to carry over this state evidently, you maintain a horizontal position for the continuation of this step to get an accurate value.
These tools typically look like a socket wrench with mechanisms inside. Tips on proper torque wrench use and maintenance122208. If you are an active worker and require a tool that can allow you to apply a specific amount. In other words, a torque wrench set for 100 inlbs might tighten to 96 inlbs, or 104 inlbs. Setting your torque wrench to the right torque on a clickstyle wrench is pretty simple. A clicker torque wrench makes an audible click when youve reached the set torque, and with a beamstyle wrench, you just watch the scale and stop at the right number. A torque wrench is a tool used to apply a specific torque to a fastener such as a nut or bolt. A straight extension used between the adapter and the torque wrench does not affect the torque setting. When installing nvent lenton taperthreaded products, refer to the specific nvent lenton product instruction sheets andor governing building codes and approvals for the proper wrench setting. We calibrate each torque wrench at the factory using torque standards according.
Fasteners bolts, nuts and threaded rods torque, tension and loads. View and download snapon tqr400a user manual online. A guide to torque values it should be understood that the subject of torque tension loading is beyond the scope of this document. Setting the correct torque on a click style torque wrench is pretty easy. Grip the torque wrench and pull on the wrench with a slow, easy movement. This article includes a table of various torque recommendations. Torque wrench setting conversion table pounds feet to newton metres pound feet newton metres pound feet newton metres pound feet newton metres pound feet newton metres 1 1. If no adjustment is made, the fastener will not have the correct torque applied to it. Digitorqon hdhseries is a digital torque measurement device mounted between the manual handle.
1199 193 1520 87 947 466 1678 1289 1159 177 1004 766 295 333 529 1308 301 77 640 894 190 1009 193 1357 311 1192 363 455 3 834 499 858 1263 1228 1242 38 1250 258 1364 724 676 642 928 844 1416 316