SECTION IV
Contents
1. USER MANUAL HYTORC NUT 3 part tensioningnut HYTQRC Index 1 WELCOME HYTORC ccssscecessecesecsecesscsesecsesesscsesaesesesaeseseeacsnsatsestnansesesesneaesnsaeaee 3 2 GENERAL INFORMATION s s cessscecesescecesseceseesesesscsesaesesesacsesaesesessesesaeacensaeseseaeeeees 3 3 SAFETY INSTRUCTION c cccsssscecssseceseececesseseseesecessesessesesesaesnsaesesesaeseseacensaeseseaeeeees 3 4 PRINCIPAL OF THE HYTORC 5 5 HYTORC NUT INSTALLATION csseccececsecessesecesecseceesecessesecesesesaesecesesnsacsesseaeeeees 6 LLEN 6 5 2 DETENSIONEN LOOSENING 6 LUBRICATION INSTRUCTIONS c csssscecesseceseececessececesesesscsecesesesseseseacsnsaesesnaeeeees 9 FOR MOR INFORMATION HYTORC Clamp BV Platinawerf 8 6641 TL Beuningen NEDERLAND Tel 31 0 24 3 660 660 www hytorc nl HYTORC Benelux BVBA Ysselaarlaan 65B 2630 Aartselaar BELGI Tel 32 0 38 705 220 www hytorc benelux be Version 1 04 2011 1 WELCOME HYTORC Thank you for buying HYTORC equipment This user manual and safety instructions is designed to provide you with the basic knowledge required to operate and maintain your new HYTORC equipment Please read this2. Avoid premature tool starting The Pump Remote Control is for the TOOL OPERATOR only Stay clear during operation most cases the tool will allow hands free operation If the tool must be held or steadied during operation use alternative means of securing the tool to the application FOR MOR INFORMATION HYTORC Clamp BV Platinawerf 8 6641 TL Beuningen NEDERLAND Tel 31 0 24 660 660 www hytorc nl HYTORC Benelux BVBA Ysselaarlaan 65B 2630 Aartselaar BELGI Tel 32 0 38 705 220 www hytorc benelux be Version 1 04 2011 HYTQRC Guard against electric shock Ensure the pump is properly grounded and the proper voltage is being used Store equipment properly When not in use tools and accessories should be properly stored to avoid deterioration Use right tool Do not force small tools or attachments to do the job of a larger tool Do not use a tool for purposes not intended Proper safety attire When handling operation hydraulic equipment use work gloves hard hats safety shoes and other applicable clothing Use safety glasses with side covers Moving equipment Do not use hydraulic hoses uni swivels pump power or remote cords as means of moving the equipment Maintain your HYTORC equipment with care For top performance inspect tools power pack and accessories for visual damage frequently and always prior to use Always follow instruction for proper tool and pum
3. is 0 5 to 1 5 mm at the bottom side that relapses 3 For the use of a wrench at the HYTORC NUT convince yourself that the wrench and the NUT drive are placed properly The NUT drive needs to be installed like the photo shows to obtain the method of tensioning at the other side of the wrench there is written Tighten The driver turns clockwise Let the wrench operate to check if everything runs as it should be You only need to repeat this step when you change the tool or the driver part Other shaped HYTORC NUT s requires different NUT drivers but the working principle stays the same Fig 6 Avanti Dual with NUT drive 4 Refer to the conversion table delivered with the HYTORC and adjust the pump pressure at the desired bolt load It is restricted to place the NUT drive at the NUT at the time of pump pressure adjustment Turn the pressure regulation anti clockwise to adjust the pressure just below the desired final pressure Keep the start run button on the remote control pushed and turn slowly clockwise at the pressure regulator so that the pressure comes to the desired value Assure yourself of the adjusted pressure by keep pushing the start run button on the remote All these adjustments can be different from pump to pump type Fig 7 and 8 Adjustment pump pressure 5 place the wrench with the NUT drive on the HYTORC we have to position the inner splines of the NUT drive the s
4. manual carefully and follow the instructions provided If you still have any questions regarding HYTORC bolting equipment please do not hesitate and call us at 31 0 24 3660 660 or contact at info hytorc nl You also find more information on our website www hyiorc nl 2 GENERAL INFORMATION Your purchase of HYTORC equipment entitles you to the following HYTORC services Instructions to your employees by a HYTORC specialist within your organization Free annual inspection of your HYTORC equipment Free loaner equipment in case of failure under warranty If your HYTORC equipment cannot be repaired within 5 workdays you get an equivalent free loaner tool 24 hour service World wide warranty When you need help abroad No problem We help you HYTORC equipment according to the newest technology A full year complete warranty Qualified work force employable for solutions at difficult challenges 3 SAFETY INSTRUCTION Warning Your HYTORC equipment 15 a power tool and as with any power tool certain safety precautions should be observed to avoid accidents or personal injury The following instructions will assist you Read all instructions Keep work area clean and well lit Consider work area environment Electrical Pumps should never be used in atmosphere that can be considered potentially volatile If there is any doubt use an air pump Note Metal to metal contact can cause sparks precautions should be taken
5. nut loose again for an 360 degrees turn This is a bit dependable of the thread pitch Fig 2 Preparation Fig Hand tight fixing of the NUT s 2 The inner nut when installed correctly may come out more than 1 5 mm 1 16 above the top side of the outer nut If the inner nut protrudes more than 1 5 mm above the outer nut than hold the inner nut with your hand and turn the outer nut leftwards anti clockwise till the distance is reduced too max 1 5 mm from top side of the outer nut Turn after adjustment of the outer nut the complete HYTORC NUT firmly against the flange surface or construction surface Clarified The washer of the NUT will adapt fully to the surface THE INNER NUT HAS TO STAY FREE OF THE SURFACE BUT NOT MORE THAN 1 5 MM Max 1 5 mm E o 0 5 mm 3 Regard that the top side of the stud will not get stuck against the inner nut If that happens than shorten the stud or bolt or stick out the stud on the other side of the fixation Fig 4 washer lies against the surface and the Fig 4b to long stud inner nut sticks out not more than 1 5 mm FOR MOR INFORMATION HYTORC Clamp BV Platinawerf 8 6641 TL Beuningen NEDERLAND Tel 31 0 24 660 660 www hytorc nl HYTORC Benelux BVBA Ysselaarlaan 65B 2630 Aartselaar BELGI Tel 32 0 38 705 220 www hytorc benelux be Version 1 04 2011 6 Good this
6. part nut that replaces the standard nut The Inner nut 1 fits on the thread of the stud The outer nut 2 turns with a trapezium thread and fine pitch over the inner nut The washer 3 is connected with splines to the inner nut 1 The washer can move in axial direction but not turning By the special construction it is possible that the inner nut can move upwards without shear reaction or torsion forces The torque is transferred to stretch the bolt There is no unknown friction between the stud and the nut Fig 1 Working HYTORC NUT Summarized All frictions take place within the HYTORC NUT and are consistent and calibratable and do not take place between thread of the bolt and the surface of flanges FOR MOR INFORMATION HYTORC Clamp BV Platinawerf 8 6641 TL Beuningen NEDERLAND Tel 31 0 24 660 660 www hytorc nl HYTORC Benelux BVBA Ysselaarlaan 65B 2630 Aartselaar BELGI Tel 32 0 38 705 220 www hytorc benelux be Version 1 04 2011 5 NUT INSTALLATION 5 1 Tensioning tightning The HYTORC NUT is ready for use and furnished with lubrication Read chapter 6 lubrication instructions when the HYTORC NUT needs to be lubricated again 1 Turn the NUT downwards at the stud turn the inner nut tightly to the flange surface or the surface of the construction The NUT needs to fit nicely en well on the thread of the stud Turn the inner
7. d fully tensioned Fig 10 Tensioningof the NUT s with the remote control 5 2 Detensionen loosening The HYTORC NUT can be detached easily and reused again 1 Before you use the wrench on the NUT assure yourself that the wrench and the driving axle or NUT drive is connected as it should be Check the wrench and NUT drive by running it freely and be sure the rotation is anti clockwise You only repeat this step when there is a change of wrench or nut drive In general to detension the bolts the pump needs a higher pressure referring to the conversion table delivered with the HYTORC Adjust the pump pressure bit higher than the pressure you need to tension Don t push the pressure to its highest possible level This can cause damage to the NUT drive HYTORC Remove the NUT drive axle from the wrench Place the NUT drive to the NUT by position first the inner splines to the inner nut and after that turn the outer teeth of the drive and position this drive ring to the toothed outer nut Be aware that both parts of the drive are well connected to the HYTORC NUT Sometimes you need to turn the driver parts for better positioning Position the wrench on top of the NUT drive and install the retainer of the drive On top of the wrench we should see LOOSEN written Use the pump pressure to detension the HYTORC NUT until we can turn the NUT by hand Adjust the pressure step by step to find the
8. ed with the arrows The position O of the inner nut and the washer needs to ASSEMBLE THIS et GREASE be even at the bottom side of both Turn A the outer in time you keep the washer tight to provide the wanted position of the complete nut Follow the 2 mounting instructions at chapter 5 1 kyn j a At hot applications it is better to use graphite spray instead of grease lubricant The graphite mp spray or powder is more resistant against high ee temperatures and grease fat particles can give KA a lot of resistant when dried or burned 6 GREASE THESE SURFACES Fig 13 Lubrication and assemble instructions FOR MOR INFORMATION HYTORC Clamp BV Platinawerf 8 6641 TL Beuningen NEDERLAND Tel 31 0 24 660 660 www hytorc nl HYTORC Benelux BVBA Ysselaarlaan 65B 2630 Aartselaar BELGI Tel 32 0 38 705 220 www hytorc benelux be Version 1 04 2011 10
9. p maintenance Refer to the Operations Maintenance Section in chapter 10 for further clarification Stay alert Watch what you are doing Use Common sense Do not use power equipment under the influence of any mood altering substances Prior to operation Ensure that all hydraulic connections are securely connected and there is no leakage Verify that the hydraulic hoses are not kinked or otherwise damaged Ensure the square drive and its retainer are fully and securely engaged Be certain that all connectors elbows fitting and swivels not bent loose damaged Prior to use Check sockets for size quality and flaws do not use if questionable Cycle tool to ensure proper function Pressurize the system momentarily if the tool tends to ride up to stop and re adjust to a more solid and secure position Commentary pump units are exclusive for HYTORC tools and vice versa If other equipment is connected to the pump it can damage the pump unit When another brand pump unit is used no flawless operation can be guaranteed FOR MOR INFORMATION HYTORC Clamp BV Platinawerf 8 6641 TL Beuningen NEDERLAND Tel 31 0 24 660 660 www hytorc nl HYTORC Benelux BVBA Ysselaarlaan 65B 2630 Aartselaar BELGI Tel 32 0 38 705 220 www hytorc benelux be Version 1 04 2011 4 PRINCIPAL OF THE HYTORC NUT The HYTORC is a three
10. plines of the HYTORC After that we have to turn the toothed driving ring of the NUT drive clockwise by hand as far that the NUT drive fits completely in the HYTORC With other types or shaped HYTORC NUT 5 the splines or teeth look different but the principal is the same __ IMPORTANT If the teeth do not joint completely than probably the stud is to long as shown in Fig 4b Go back to chapter 2 for changing Reposition the inner nut check the possible too long stud This last 15 important Fig 9 Teeth fits each other FOR MOR INFORMATION HYTORC Clamp BV Platinawerf 8 6641 TL Beuningen NEDERLAND Tel 31 0 24 660 660 www hytorc nl HYTORC Benelux BVBA Ysselaarlaan65B 2630 Aartselaar BELGI Tel 32 0 38 705 220 www hytorc benelux be Version 1 04 2011 6 Tension the HYTORC NUT by pushing the start run HYTQORC button on the remote control repeatedly noting that you give the wrench enough time between the pushings at the run button to get back to its starting position Repeat this action till the adjusted pump pressure is reached To achieve the right bolt load in the stud we have to repeat the last stroke of the wrench and keep the start button pushed We give the wrench some time to crawl to the final position and the desired pump pressure which equals the right bolt load Repeat step 5 and 6 till all bolts are completely an
11. right value for loosening the Now we noticed the break loose point we also can determine if the right lubrication product is used Repeat step and 4 till all bolts are detensioned In some cases it is necessary to detension in more steps because of the high bolt load We advise to this method for all of the last bolts at any construction This releases the forces in the construction more equal FOR MOR INFORMATION HYTORC Clamp BV Platinawerf 8 6641 TL Beuningen NEDERLAND Tel 31 0 24 660 660 www hytorc nl HYTORC Benelux BVBA Ysselaarlaan 65B 2630 Aartselaar BELGI Tel 32 0 38 705 220 www hytorc benelux be Version 1 04 2011 When corrosion makes it impossible to unscrew the NUT after detensioning than use a hex spline adapter To use the hex spline adapter position the adapter like we did with the NUT drive Place a square drive hand tool wrench on top of the adapter and unscrew the HYTORC NUT from the bolt NO LISOd XX OL 135 Inner nut Outer nut Important Before we will reuse the it is very important and necessary to clean all parts completely and provide new lubrication from top to bottom please read the instructions in the next chapter Washer Construction flange Fig 11 Profile HYTORC NUT on bolt with NUT drive and wrench 6 LUBRICATION INSTRUCTIONS De lubrication instructions of the HYTORC NUT Use aclean
12. stiff bristle brush ATTENTION At balanced HYTORC NUT s you have to keep the parts of each NUT together STEP 1 Regard that all thread and splines are free of dir tand grit Lubricate the internal thread of the outer nut fully and completely to get a good coverage Fig 12 the 3 parts of the NUT STEP 2 Lubricate the external thread of the inner nut entirely with a brush to get a complete coverage STEP 3 Turn the inner nut section together with the outer nut section in a way that the splines at the outside of the inner nut stick out for placing the washer later Be aware that the teeth of the outer nut are at the opposite of the splines of the inner nut FOR MOR INFORMATION HYTORC Clamp BV Platinawerf 8 6641 TL Beuningen NEDERLAND Tel 31 0 24 660 660 www hytorc nl HYTORC Benelux BVBA Ysselaarlaan 65B 2630 Aartselaar BELGI Tel 32 0 38 705 220 www hytorc benelux be Version 1 04 2011 9 STEP 4 Turn assembled parts upside down Spread the waste lubricant to the bottom side of the outer nut and to the splines of the inner nut Ad some more lubricant when there is not enough for the splines STEP 5 Put some lubricant on the inside splines of the washer and at the top side to get full coverage at these surfaces SON SN STEP 6 Slide the washer on the assembled parts as shown in figure 13 and NESS RASS indicat
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