EziTite IBS hydraulic nut rev2
Contents
1. Operating Instructions EziTite IBS Hydraulic Nut precision engineered solutions Technofast Industries Pty Limited 667 Boundary Rd Richlands Qld 4077 Ph 07 3375 1431 Fax 07 3375 9094 precision engineered solutions EziTite IBS Hydraulic Nut Fitting Instructions 3 D EziTite Hydraulic Nut Components 1 Nut Body screws onto the boom rope thread 2 Piston contains hydraulic pressure and seals 3 Spherical Washer designed to self correct seating and misaligned bolts also works as a bridge to allow the locknut to be wound down 4 Lock Ring to retain the load when hydraulic pressure is released 5 High Pressure Seals Seals 6 SHCS Used to deform the thread of the lockring to stop from releasing load when dragline is in operation 7 Locknut used to hold tension whilst the hydranut is returned to the home position 8 High Pressure Inlet 1 8 BSPP port with male hydraulic nipple 9 C Spanner Tommy Bar Hole to nip up lock ring YOUR EziTite HYDRAULIC NUT COMES ASSEMBLED AND READY FOR FITTING EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 2 of 13 techno precision engineered solutions a ac 4 P nn a nA 4 g ESN rf d E f ie i 5 x 4 k q f N i I Bisa aos i ee Safety Before attempting installation of EziTite Hydraulic Nuts it is imperative operators understand the installation and tensioning procedures contained in this manual DO NOT2. ALLOW UNTRAINED STAFF ATTEMPT INSTALLATION DO NOT allow personnel into the installation area without firstly instructing them on the safety hazards of hydraulic components PRE INSTALLATION SAFETY CHECKLIST 1 2 3 LI Are all persons in the installation area aware of safety procedures contained in this manual LI Have all persons in the installation area been issued with adequate eye and hearing protection devices LI Have all persons in the installation area been issued with suitable protective clothing LI Are installation personnel trained in the dangers of misuse of high pressure hydraulic equipment LI Is the installation area free of unnecessary obstructions which could endanger personnel performing their assigned tasks LI No person should be allowed in close proximity to hydraulic components while pressurising the system LI When pressurising the system the pump operator must remain at their station at the pressurising pump in case of emergency LI Set air regulator to achieve the correct oil pressure for the product before coupling and tensioning begins REMEMBER Fluids under high pressure can cause damage or injury if the device is improperly used Incorrect installation procedures can lead to major safety problems amp void warranty EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 3 of 13 ast 5 EZ precision engineered solutions Fitting EziTite IB
3. S Hydraulic Nut 1 The EziTite IBS Hydraulic Nut is supplied with a Locknut item 7 It should be wound into position on the bolt with the large chamfer side facing the outwards Lock Nut item 7 2 Place the Spherical Washer item 3 over the stud and nut Spherical Washer item 3 EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 4 of 13 ast precision engineered solutions 3 Using the machined hex on the top of the EziTite IBS Hydraulic Nut assembly wind the assembly onto the stud until it is engaged with the spherical washer 4 Nip up the assembly with a spanner to take up any slack from the joint 5 Connect the pressure pumping apparatus hose to the hydraulic male coupler provided To ensure the EziTite Hydraulic Nut has a full working stroke open the pressure relief port of the pump when connected The Screw action downwards will easily reset the stroke of the EziTite IBS Hydraulic Nut ee am EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 5 of 13 CEZITITE precision engineered solutions 6 Ensure that the lock ring remains free from the piston 7 Close the pressure relief port The EziTite IBS Hydraulic Nut is now ready for tensioning Tensioning EziTite hydraulic nut 8 Operate the pumping apparatus and slowly charge the EziTite Hydraulic Nut to requied pressure refer to load pressure graph suplied with EziTite Hydraulic Nut
4. UENTIAL OR SPECIAL OF WHATEVER KIND OR NATURE OR ANY OTHER EXPENSE WHICH MAY ARISE IN CONNECTION WITH OR AS A RESULT OF SUCH PRODUCTS OR THE USE OR INCORPORATION THEREOF IN A JOB THIS WARRANTY IS EXPRESSLY MADE IN LIEU OF ALL OTHER WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE NO EXPRESS WARRANTIES AND NO IMPLIED WARRANTIES WHETHER OF MERCHANT ABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE OTHER THAN THOSE EXPRESSLY SET FORTH ABOVE SHALL APPLY TO TECHNOFAST PRODUCTS EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 12 of 13 gt g ee oe a om a F dii J f 3 4 j A rd d E i i h a F d i i I Bia pc techno precision engineered solutions Points To Note The EziTite IBS Hydraulic Nut and all related intellectual property disclosed herewith is covered by Australian and International Patents Due to the nature of applications of these fasteners the manufacturer can accept no responsibility for their performance For Technical Advice please contact your nearest TechnoFast agent or contact Technofast directly Technofast Industries Pty Ltd 667 Boundary Rd Richlands Qld 4077 Brisbane Australia Telephone 61 73375 1431 Facsimile 61 7 3375 9094 Web site www technofast com EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 13 of 13
5. aged during removal new seals and lock ring can normally be fitted and the unit returned to service In most applications EziTite Hydraulic Nuts are unlikely to require any further care other than to ensure that they remain free from rust and deposits which could affect the operation of machined threads Replacement parts are available by request EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 11 of 13 techno precision engineered solutions ai ac a r ao ern Ne d 3 4 j By Y E E i i 5 x 4 r f d z 7 I aa D p W ee Limited Warranty Technofast manufactured products are warranted free of original defects in material and workmanship for a period of one year from the date of shipment to the first user This warranty does not include seals nor failures caused by lack of proper maintenance in compatible fluids foreign materials in the driving media in the pumped media or application of pressures beyond specified ratings Products believed to be originally defective may be returned freight prepaid for the repair and or replacement to the distributor authorised service representative or to the factory If upon inspection by the factory or authorised service personnel the problem is found to be originally defective material or workmanship repair or replacement will be made at no charge for labour or materials F O B the point of repair or replacement Any claim for Warranty must be add
6. and the dragline manufacturers specifications Do not advance the Nut Body too far out of the Piston or seal damage will occur Maximum Stroke is 30mm OIL FLOW EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 6 of 13 precision engineered solutions 10 Due the limited amount of stroke which the EziTite Hydraulic Nut has you may be required to screw the locknut down and return the EziTite Hydraulic Nuts to their home home position as below EziTite at full F Locknut wound stroke A home to hold load EziTite in homeposition EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 7 of 13 precision engineered solutions 10 Keep Repeating steps 9 amp 10 until the boom rope it tensioned to the required level 11 Once the required load is reached screw the lockring down so it is touching the face of the piston If the lockring is not contacting the face evenly repeat steps 9 amp 10 as this is because the piston is misaligned Once alignment is correct nip up the lockring Do not over tighten the lockring as this will make removal difficult 12 To prevent the EziTite IBS Tensioner from moving when the dragline is in operation the locknut is to be locked onto the base off the EziTite To do this wind the Locknut up to the base of the EziTite so that it contacts the Bridge Now pressurise the EziTite to 200 bar and wind the lockring down so that it contacts the piston as in the prev
7. ious step Pressurised EziTitewith Tensioned locknut hitting Lockring wound EziTite home locking the assembly in place 12 Tighten the SHCS item 6 This will deform the thread on the lockring to ensure that it does not become loose during operation underside of bridge 13 Your EziTite IBS Hydraulic Nut is now ready for service EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 8 of 13 techno precision engineered solutions a ac 4 i ae sie Mt r is 4 j R gt Y f 4 d E ear i X Me E i Pi i i p I or MAN eee Dii e a IMPORTANT 1 Ensure that the base or washer face of the EziTite Hydraulic Nut contacts the joint face evenly and is fully supported across its full diameter 2 DO NOT EXCEED indicated pressure or working stroke as damage to equipment may occur 3 The Lock Ring must contact the abutting face of the Piston evenly when tightened If not repeat the tensioning procedure DO NOT over tighten Lock Ring with excessive force only nip tight Removal To remove the EziTite IBS Hydraulic Nut from service a procedure much the reverse of that for tensioning is carried out 1 2 Couple the Pressure pumping apparatus to the EziTite IBS Hydraulic Nut Charge the EziTite IBS Hydraulic Nut to approximately 300 bar or until the Lockring loosens Unscrew the Lock Ring sufficiently to allow the bolt stud to return to its un tensioned length when Hydraulic pressure is
8. nside the Piston at the bottom of the seal surface y x lt x x oS Inner Seal Outer Seal 7 Carefully place the Nut Body inside the piston and push together 8 Inspect the nipple for wear or damage and replace if needed NOTE The nipple is to be tensioned to 50Nm 9 Screw the assembly onto a test stud with an appropriate thread size with the spherical washer in place Tighten only lightly against the seals Note if a test stud is unavailable this can be done on the studs being tensioned 10 Apply a quick charge of hydraulic pressure of between 1000 to 1500 psi to set the internal seals into place 11 Relieve the internal pressure Screw the EziTite IBS Hydraulic Nut to fully closed position This should be easy to do If not the seals may be trapped Therefore repeat all of the procedure EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 10 of 13 techno precision engineered solutions a wna ee a d F mn a fae N i ae i ks pi d a 4 F a Bia p Diii a er EziTite Hydraulic Nut Maintenance And Repair lf the EziTite IBS Hydraulic Nut should be damaged in service for example by overheating which may destroy the unit s seals it may be removed as a last resort by carefully splitting the Lock Ring When the Lock ring is removed the piston will retract normally If the outer thread of the Nut Body has not been dam
9. released this will also allow the Locknut to release from the underside of the Bridge Relieve the pressure in the Pumping apparatus and in the EziTite IBS Hydraulic Nut Whilst the Hydraulic hoses are still connected the EziTite Hydraulic Nuts the piston should be returned to a closed position by inserting the pin spanner and winding it in a clockwise direction to push the piston home Disconnect Hydraulic hose and fit protective covers to hose and fittings Unscrew the EziTite IBS Hydraulic Nut from the bolt EziTite IBS Hydraulic Nut Operation Manual Revision 2 May 2011 Page 9 of 13 techno precision engineered solutions SEAL REPLACEMENT Before seals are replaced the EziTite IBS Hydraulic Nut must be disassembled Remove the EziTite Hydraulic Nut from operation and follow these instructions ai ac a r ao ern Ne d 3 4 j By Y E E i i 5 x 4 r f d z 7 I aa DN pe W e ag 1 Attached an air supply to the male coupler and blow air into the EziTite Hydraulic Nut to separate the Nut Body from the Piston Note Do not use excessive pressure or sudden burst of air as this may cause the piston to fly off with excessive force 2 Remove old or damaged seals and clean all parts 3 Inspect the internal seal contact surfaces and repair where necessary That is polish off burrs and pick up marks Lightly oil the two surfaces Place the ID O ring over the spigot end of the Nut Body Place the OD O ring i
10. ressed to Technofast which shall at its discretion issue an Authority to Return in respect of such goods This Authority must be received before return shipment and include the following the original purchase date purchase order number model number and other pertinent data to establish a warranty claim and to expedite the return or replacement to the owner Any such warranty is void if the product has been disassembled and reassembled in a facility other than Technofast or a facility suitably and currently qualified by Technofast in conformance with its Quality Standards or substitute parts have been used at any time in place of factory manufactured parts or the product has been used in any manner not in accordance with the manufacturer s directions or where any modifications not qualified by Technofast in writing have been made to the product Any modifications to any Technofast product made by any party other than those suitably qualified by Technofast shall be the sole risk and responsibility of that party Technofast disclaims any and all liability obligation or responsibility for the modified product and for any claims demands or causes of action for damage or for personal injuries resulting from the modification and or use of such a modified Technofast Product TECHNOFAST S OBLIGATION WITH RESPECT TO ITS PRODUCTS SHALL BE LIMITED TO REPLACEMENT AND IN NO EVENT SHALL TECHNOFAST BE LIABLE FOR ANY LOSS OR DAMAGE CONSEQ
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