flange alignment procedure If runout exceeds . Center the transmission main shaft in the four-jaw chuck using a light half-inch grip along with the steady rest. This will give you a good foundation to work from when checking the bell housing alignment. described in subparas. This allows quick and easy measuring of the parallelism of cardan shafts. Jack Load Testing or Jack-up method is one of the methods to verify shaft alignment. 4. Determine alignment tolerances. 6. I would like to come visit sometime. Lokrites are magnetic, pinch-point free, and … LOKRITE BACKUP WRENCH Read alignment and possible damage to sleeve material. In addition to a shaft alignment specification, also shaft alignment calculations may be required for approval. 3 tool function 4. range of application 5. Ltd. PRUFTECHNIK relies on the latest laser technology for all its service calls, drawing on the complete range of in-house alignment equipment Eliminate rework with perfect flange alignment and bolt hole orientation. note: although this diagram shows 24 bolts, the same basic procedure should be used with flanges having more or less bolts. 5 mm and parallelism (rotation) is within 0. Fig­ure 7-44 shows one type of flange square and its use in vertical and horizontal alignment. 6 In assembly of socket weld joints, the pipe or tube shall be withdrawn a distance of approximately 1/ 16 in. With the coupling broken, mount the fixture to the stationary shaft or coupling hub. The first step is to assemble the flywheel to the crankshaft flange. The reading of indicated gauges shall be demonstrated to be repeatable. This helps to remove some of the "mystery" from the language, as well as from what actually occurs during alignment procedures. Our tools are powerful, precise, and easy to use on a vast range of machinery—they can measure for the most demanding alignment jobs, including a bore of almost any diameter, and/or any surface Lap Joint flange dimensions are covered in ASME B16. The original recommendations of the press manufacturer, if available, should always supersede the procedures described below. TWO HOLE is the standard procedure because most valves, strainers, and devices attached to flanges are manufactured TWO hole. Disconnect the negative battery cable. Another form of fillet weld used in pipe fitting is a seal weld . 6. Alignment requires the distance flanges are rated. The flange alignment procedure is made up of three monotonous, but necessary, steps. following a prescribed pattern: Step 1: Spanner tight ensuring that 2-3 threads extend above nut. Step 1 Press the flange into place on the open drain hole. 5 flanges from 1/2″ through 24″ in classes 150, 300, 400, 600, 900, 1500 and 2500. First, correct the vertical misalignment by shimming under the equipment feet. Take the flange coupling from the Couplings 1 Panel. 1 lateral misalignment 6 4. These guidelines are intended for bolting of PVC flange adapters. The alignment tool is used by straddling the joint opening with the yoke. Flange Alignment Hydraulic Flange Alignment, Linear & Rotational tools can be used to align or re-align flange joints during pipework construction, commissioning or during routine maintenance. One piece is a sleeve called a ‘Stub-end” and is shaped like a short piece of pipe with a weld bevel on one end and a narrow shoulder on the other end called the hub. /ft), measured across any diameter. 3. Use the four adjusting-set screws to center the bearing. The unit will be in parallel alignment when the straight edge rests evenly on the coupling rim at all positions. Outline of Alignment Procedure. 07 mm) feeler gauge at 90-degree intervals (Figure 3). 9. The procedure for determining whether the engine mounts are holding the engines steady is very simple, it is called the Back Down Test. g. Types of Flange Coupling Unprotected type – In this type of coupling each shaft is keyed to the boss of a flange with counter sunk key and both flanges are coupled together A flange alignment tool for facilitating connection of large diameter, flanged pipe sections. 13. Before correcting misalignment , the following procedures are to be performed: Perform pre-alignment checks and corrections. 4. Flange Bolt Torque Guidelines. Remove and DISCARD the six propeller shaft bolts at the rear pinion flange (Figure 30). Lap Joint flanges are very similar to Slip On flanges. Adjust the position of the nuts to insure that 2-3 threads is visible above the top of the nut. Be sure to tighten the feet of the moveable machine back down before beginning alignment. Now the shaft alignment measurement procedure can begin. com/product/flange-alignment-pins/*** Tool Description ***Titan flange alignment pins from SMP are safe, fast, and effective. com PRE-ASSEMBLY OF FLANGES• Two bolts shall be installed diametrically opposite to each other & one bolt half way between the previously installed bolts for retaining the gasket. Step 3: Increase the torque to two-thirds following the pattern shown above. The museum looks cool. It is important to understand the definition of terms commonly used in alignment. Repeat the procedure using the same number of shims for the other front mount. 1. For the TAPER-LOCK flange, secure the flange assembly to the shaft by positioning the assembly onto the shaft allowing for small axial movement which will occur during tightening procedure. 3. 2. 4. The distance between tube and yoke flanges should be as shown in Figure 4. Improper Flange Alignment. For a successful butterfly valve installation in Aquatherm piping the following procedures should be observed: Dry-fit the connecting pipe flange adapters and the valve on a bench to ensure proper alignment prior to the actual valve installation. All ferrous flange facings shall be coated with anti rust material. Sometimes flanges require alignment. Check flange alignment ASME B31. And the flange face extending a sufficient distance from the pipe end, so as to apply a weld on the inner diameter. Hydraulic Fixed Flange and Rotational Alignment Tool 9 T (90 kN) from 10,000 psi (700 bar) of hydraulic pressure 4 – FLANGE MISALIGNMENT DETERMINATION PROCEDURE The tool being used must not be attached to a flanged joint prior to the misalignment procedure being carried out. If both measurements are not within 1/16" (1. d. Insert the bolt with insulating washers against the flanges followed by the steel washer and nut. Step 1. Slide the two retaining bolts used to connect the flange to the toilet into the long channels along opposite sides of the flange. Insert the remaining bolts and tighten nuts to finger tight. Span the body with flange bolts. Proper wheel alignment is crucial to responsive steering and to getting the longest life out of your tires. [1] ii) The Standard also provides methods for doing a flexibility analysis for a piping system and calculating However always check plant-approved installation procedures first. ¾ Black Anodized, or Bare Aluminum – Alignment is required whenever the engine bell-housing bolts have been loosened, unless the alignment procedure was previously accomplished, as indicated by the presence of all four dowel pins and two oval index plates. Progressively tighten bolts to 60 ft·lbƒ (82 N·m) torque. flange assembly. Repeat the procedure on the sides of the coupling flanges to correct for rough horizontal alignment. 2. A lack of flange flatness can also be considered damage. 5. 0 March 2011 HDP Film Cartridge Alignment Procedure Added new pictures Revision 1. Ensure horizontal alignment of pipe flanges with a level rod that runs between two alignment pins. 3. The small compact, robust and chain-like design allows for easy access to flanged connection in tight areas. 3 Process Piping: flange faces must be parallel within 1/16" per foot of diameter, and flange bolt holes must be aligned to within 1/8" maximum offset. 3 Process Piping Guide Rev. A typical configuration of an alignment tool consists of a yoke, threaded adjusting rod, gap plate, and root bar. Since the main shaft was considered as a fixed, the intermediate bearings positions were adjusted to obtain the specified offsets. es, procedures and documentation. 3-G, ASME B31. Repeat the procedure of tightening and loosening of foundation bolt to get alignment reading and level reading with in the tolerance . This low maintenance flow measurement device simplifies the plate inspection and removal process with one tool required for flange separation. Figure2: Flange Alignment Problem (discovered after removing bolts) Figure 4 Angular Misalignment of Flange (creating pipe strain) Figure 3: Gap in piping due to improper installation (pipe strain will occur when bolts are tightened) 2 www. Attach the drywall suspension system to the light cove trim with an AXTBC 2. For the clearance fit straight bore (FBX) flange, tighten the set screws to values listed in MISTRAS has developed a proven ultrasonic procedure to inspect flange faces in HF Alky service using phased array technology, offering the ability to detect corrosion damage in-situ and on-stream, providing critical data for system integrity while eliminating manpower and safety issues. 2. That's only part of the story. Tack welds, for maintaining the alignment, of pipe joints shall be made only by qualified welders using approved Welding Procedure Specification. Coupling of main engine with shaft line to be performed according to shaft calculation, SAG and GAP for the flange coupling between intermediate shaft / engine crankshaft. e. Choose from our selection of alignment dowels, including mating locating pins and hole liners, locating pins, and more. Raise the vehicle on a hoist. 9. This can occur because of excessive loads on the flange or as the result of errant machining of the flange surface. The flange can be removed by applying some pressure to the base of the flange. taping flange of the trim into the drywall suspension system. Engine alignment also can be confirmed by installing the laser in the coupling shaft bore and shining it aft to targets placed in the bearings. Before doing this, with the vessel hauled, check the position of the shafts relative to the bearings. Remove attaching hardware from coupling flanges. The ID of flange can vary +/- 1/8” (3 mm) to the ID of the pipe and still align perfectly. One piece is a sleeve called a ‘Stub-end” and is shaped like a short piece of pipe with a weld bevel on one end and a narrow shoulder on the other end called the hub. 6 ANVIL® PIPE FITTERS HANDBOOK GRUVLOK® INSTALLATION AND ASSEMBLY Figures 7400 & 7401 Couplings 1. 3. 2. To solve this problem the alignment procedure with 2 lasers was proposed: the first laser is placed on the main shaft flange, the second one is on the gear box flange. Vehicle-specific Toyota/Lexus repair manuals do offer procedures for sectioning of various parts. If this is an entirely new installation, begin with step 1. Hold coupling faces tightly together and check for a gap between coupling faces with a. For that, you need to get an eye bolt on the top of the turret and get the gantry crane out. Step 4: Pressure is released and the tool removed. after the flange faces are in contact with the gasket, tighten the bolts to 30% of the final torque and repeat to 50%-60% of final and then proceed with final torque using the same sequence for all levels. You can now use your ¾ Gold Anodized (2007+) – Alignment is permanent. Procedure for checking alignment on a light aircraft. Held at the spindle backside flange Suitable for large diameter workpieces (8” or more), held by suspending at the front side of the spindle from the gate-shaped frame Spindle thermal expansion/ contraction Small thermal influence as the spindle is short and held at the flange Small influence as the spindle is short and held at the front side necessary to maintain alignment or to prevent closing of the root opening during root pass welding. 5, B16. If alignment has moved then you have pipe stress. By implementing the Flange Alignment Pin into bolting procedures, you can quickly and easily align bolt holes in a safe and controlled method. Flange bolt holes have to be aligned within a maximum 3 mm offset, and in any case, when flanges are coupled, hold down bolts should freely slide without any interference through holes. Pre-alignment preparation includes the gathering of all of the necessary tools and doing a review of the machinery history files, including operator complaints, repair work orders and inspection reports. 3. Properly align the agitator flange to vessel flange and install the flange to vessel hardware (customer supplied). If it's out of tolerance, it means that the piping is putting stress on the equipment, and the situation must be corrected. 125-inch (3. The use of these The process is a simple matter using a straightedge set on top of the flange to gauge the angle. The tool is attached to the flange joint where misalignment is at its greatest and then simply push and pull the flanges into correct alignment. Make corrections as stated in the following procedures to eliminate pipe stress. The Easy-Laser® E950 Bore alignment system makes the control and adjustment work of bearings and bearing journals easier thanks to the wireless detector unit and measurement programs that guides you through the measurement process. Alignment of Pipes, Branches, Flanges and Fittings Tack Welding WORKMANSHIP Striking the Arc Slag Removal and Inter Run Inspection Continuity Current Control Earthing WEATHER Climatic Conditions Temperature WELDING PROCEDURES, WELDERS AND WELDING QUALIFICATIONS INSPECTION AND TESTS OF WELDED JOINTS External Inspection Place the valve between the flanges with the flange bores and valve body bore aligned properly. Figure 7-43. These factors are referred to as macro effects. Flange alignment As noted in Part 1 the intended bolt-up force can only be predicted if alignment of the mating flanges is within allowable limits. ♦ Check and record the alignment between the pump shaft and the turbine rotor. 5 Flange Standard Dimension. 1. Check for any angular misalignment. (See Figure 3). 005" (. 3. Torque bolts to the value ing procedure: ReInove the propeller shaft froIn the truck by taking out four capscrews at each end holding the flange type bearings to the fitting yokes, being careful not to let the flanged bearings fall off and perInit foreign Inatter to enter the rollers. The dial indicator plunger must be centered for equal positive and negative travel. Step 2: Tighten each bolt to one-third of the final required torque following the pattern as shown above. The alignment's accuracy relies on using the face of the coupling as a datum surface and the squareness of this face to the axis of rotation. Fillet weld sizes, as shown on the Welding Procedure Specification shall be used unless otherwise detailed on the engineering drawing. 1. Slide it and the packing gland ahead on the shaft. b) Lubricate the nut and bolt threads, and the contact face of the nut on the flange. The process with ROTALIGN® PRO is identical, except that the adjustment is monitored by observing beam movement in the coordinate display screen. 2-millimeter) thick shims under the motor feet. Check flange alignment: Tolerance limited to 3/32" up to 24" flange diameter and 1/16" on flanges greater than 24". Coat flange faces with a grease type rust preventive, and cover faces with plywood, hardboard, steel or equivalent covers securely wired or bolted to the flange proper on at least four bolt holes. Prop Shaft Alignment 1. BetaMachinery. com The flatness of the flange also affects a gasket’s ability to seal. If 2 dimensions are not within 1/8" Measure distance "W" at each side. For proper alignment insert bolts every 2nd or 3rd bolthole. Flange alignment tools are used to align or re-align flange joints during pipework construction, commissioning or during routine maintenance. If your car is showing uneven or unusually rapid tire wear, is pulling to one side or vibrating PRUFTECHNIK offers all alignment services to achieve the required geometric precision of machines and assets. The tag will be attached to the most visible spot at the 12, 3, 6, or 9 o’clock position of the flange. Measure distance "X" at each side. In stock and ready to ship. See full list on pumpsandsystems. Our laser alignment tools help you easily check and adjust your machine geometries for: straightness, flatness, level, inclination, plumbness, parallelism, and right angle check. Types of Wheel Alignment and Procedures . Refer to Procedure 005-012 (Fuel Injection Pumps, In-Line) in Section 5. This allows for adjustments that will be required during final alignment. Both of these checks are described in the fuel injection pump replacement. the flange face, flange alignment, and pipe or equipment alignment. · Easier alignment · Low hub on slip-on flanges due to pipe slips in the flange · Interior and outer welding of flange · Leak prevention. Regardless of the method used you must correct the alignment in the vertical and the horizontal plane. The opposite connecting pipe flange face may not be more than 1/4 inch away from the valve flange face. Slip On Flange vs Weld Neck Flange. Finger tighten nut back onto blade flange. Align the opposite flange of the expansion joint with the pipe flange. 5. Step 8 As a final alignment step, bring the piping to the equipment. Offer the adjoining flange to the bolts, taking care to maintain alignment and support of the components. So to position the motor for proper shaft alignment, these two methods must be utilized. Improper Swivel ring flanges facilitate the alignment of the bolt holes between the two mating flanges, a feature that is helpful in many circumstances, such as the installation of large diameter pipelines, subsea and offshore pipelines, pipe works in shallow waters and similar environments. The alignment of the pump flanges to the connecting piping is called flange alignment. b. Revision 2. which are necessary for correct erection of the shafting onboard. The indicator will tell you if the bearing is closer to one side or the other of the bore. Setup the Rim-Face fixtures. Here is the procedure we used: We aligned the motor-pump to within tolerance, then aligned the pipe flanges to pump flanges using squares, to assure parallel and angular flange alignment, proper axial spacing for gasket, and verify flange bolts have free movement. If within . Span the coupling with a rod. Figure 7-44 shows one type of flange square and its use in vertical and horizontal alignment. 11. Parallel alignment check is made by placing a straight edge across both coupling rims at the top, bottom and at both sides. Shaft Alignment Methodology, Part 1: General Principles, Methods, Practices, and Tolerances. Alignment Procedures ToolS anD eQuipmenT The following tools may be required during the performance of applicable maintenance procedures: • For KINGPIN TO FRONT AXLE ALIGNMENT CHECK on page 12: − 50-foot (minimum) steel tape measure with 1/ 32 inch increments . Whether you’re dealing with small or large flange joints, an alignment tool is the tool you need. Step 1: Familiarize with terms, techniques and procedure. 4. Refer to Procedure 005-013 (Fuel A: Obviously, a 4 wheel alignment will be double the cost of a front end tire alignment. In isolation each strategy can help to reduce unexpected machine failure but taken together they form the hub of a proactive maintenance strategy that will not only identify incipient problems but allows extending machine operating life considerably. These clamps are ideal for tasks in which 100 percent weld and grind is required before the clamp can released. G 4. Review the files for operating temperature data and previous alignment data. Bring the piping to the pump now. Lap Joint flange class 150,class 300,class 400,class 600,class 900,class 1500 and class 2500 dimensions. To determine how much misalignment is acceptable and at what point it becomes excessive, alignment must be Many boat yards think that the way to check shaft alignment is to disconnect the coupling and check the flange clearance with a feeler gauge. Disconnect the two coupling halves connecting the shaft to the transmission by removing the four bolts holding them 4. a. 6. G 3. Do this without rotating the coupling. 3/ GE Specs Drawings 100% Flange alignment shall be within 1/16" per foot QA Inspector W M Dimensional Supplier Procedure ASME B31. If the mounts are the vertical stud type set in rubber in an aluminum base, these are the kind that are prone to rocking back and forth, particularly with heavy diesel. If flange joints aren’t connected properly, you could have a disaster on your hands. The failure of the equipment to meet one of these checks suggests the need for TI-FCG-1 Shaft Alignment Procedure. 1bs10,api6bx, api6b weld neck flange tables The Fit Up Pro Internal Alignment Clamp has two independent expanding clamps, allowing independent The bottom expanding clamp is inserted and clamped in the pipe by means of the knob. Pfy = FyfAe (Eq. 1. 1. 47 and API 17D, the material is avaible On these installations, use a straight edge to check centerline alignment. 3 Code "Process Piping,” It Note: The following steps refer to the flange coupling only. 3/ GE Specs Drawings 100% QA Inspector W W W Junction Boxes Supplier Procedure/ GE Spec NFPA 70 (NEC)/ GE Spec Drawings/ BOM 100% Veify Type NEMA 4 or 4X QA Inspector W M Step 1: The bolt tensioner is fitted over the stud. 3. B16. When the outside diameters of the coupling flanges are not the same, use a scale on the surface of the larger flange, and then use a thickness gauge between the surface of the smaller flange and the edge of the scale. Apply alignment index marks on the rear differential pinion flange and the rear propeller shaft flange for alignment during reassembly (Figure 30). Calculate Flange Design Forces (6. The flanges must be parallel. 6) If dial indicator cannot be used, push rod with snug fit through flange bearing bore. To keep the scope of this article reasonable, we won’t address other important elements of bolt tightening procedures like flange alignment, gasket installation, torque values, torque tables, how bolt torque needs to change for different materials (like stainless steel bolts), and so on. Bolt up the flywheel and torque the bolts to spec. 5 Check Alignment between the Main Oil Pump and the HP TurbineProcedure : ♦ Attach measuring instrument. Minimum three rounds of shaft shall be made with theindicators going to be zero point at the top position each time. The original function of a flexible coupling was to accommodate the small amounts of shaft misalignment remaining after the completion of a shaft alignment using a straight edge or feeler gauges. See full list on coalhandlingplants. https://smptools. Slip On flange (SO flanges) are typically cheaper than Weld-Beck Flanges, which is why many customers tend to choose them. Figure 1 shows the best alignment that can expect from the three most prevalent alignment methods practiced in the industrial, worldwide. November 5, 2018. Tighten nuts to finger tight and check alignment of flange faces and gasket. LineLazer is a precision shaft alignment solution for use with the data analyzer Leonova Diamond® or with the SPM LineLazer app. This will contain foreseen offsets, gap and sag, jacking loads, etc. flange leakage are insufficient torque, un-even torque, and flange misalignment. In fact, this procedure will have to be repeated from time to time as the flange may loosen up. Add shims between frame and bear ing spacer to achieve proper flange alignment with fixture. For proper The alignment mark must stay aligned until the sensor is seated into the adapter and bearing assembly. Fabrication and Installation -40 Flange Joints ASME PCC-1 describes bolt-up procedure using torque to gage bolt tension Snug up bolting Tighten to 20% of target torque using cross pattern Disconnect the outlet flange on the pump. The gap plate can be changed to match the specified root opening. Alternately torque setscrews to recommended torque setting. SYSTEM SURVEY Many steps vital to good machinery alignment should be taken well ahead of the It also covers the cleaning and examination of flange and fastener contact surfaces, the alignment of flanged joints, the installation of gaskets, and the lubrication of working surfaces. FCG1 SERIES — BLADE SHAFT ALIGNMENT INSTRUCTIONS P/N 38426 — REV. 6. I had enough mylar caps in my antiue radio spares to recap the radio. 0 May 2013 HDP Film Cartridge Alignment Procedure Updated film cartridge procedure with new steps and using the film scroll PRN. a. Loosen the hose clamps and remove the rubber boot from the front end of the shaft log. ANSI/ASA S2. #0 (09/15/2013) — PAGE 2 ALIGNMENT PROCEDURE 1. 2 If the flanges are tongue and groove, position tongue and groove of the flanges carefully to avoid damage to corners of tongue or groove facing during initial contact. Alignment Verification – Jack Load Testing. 1--7. SWi2025TEMaxSPB; SWi2025TISTDSPB; SWi1214TMSTDSPB; SWi5TI-S; Alignment Tools The flange support and alignment device 100also includes two adjustment devices, such as a first screw 140A and a second screw 140B. Step 2. • Improper Flange Alignment. 3 for Pipe to Pipe fit-up (In case a Weld neck type of flange is used). 000 tolerance. Industrial & Marine Services SA. Straight Edge and Feeler Gauges 4. Consult the Coupling Installation procedure of the coupling you are installing. One of the devices used when welding flanges onto pipes is a rim clamp. S. One of the biggest benefits of proper flange alignment is having a precise fit. Alignment Check the alignment of motor shaft, driveshaft and Geareducer shaft by mea - suring between the tube and yoke flanges. If a slip-on type of flange is to be used, insert the pipe to the flange bore up to 5mm depth from the flange face to give enough space for a fillet weld. It is available for all pressures and temperatures for which flanges are rated and because the flange swivels freely on the stub, the alignment of 1. The disc should be in the 10° open position. Check flange alignment ASME B31. It is crucial to read through the "Introduction" section of the body repair manual. Step 2: Hydraulic pressure is applied to the tensioner which then stretches the stud. 0 . For example, the tool can be used to assist in the replacement of ring and other types of flange joint. 004″ reading, tighten the flange bolts and you’re finished. Since we will only be using the flywheel to hold the magnetic-based dial indicator, you do not need to torque the bolts at this time. We are a professional Swivel ring flange Swivel flange manufacturer in China. Assess criticality, set rules: A typical facility, such as a re-finery, might have as many as 50,000 flanges. Alignment of bolt-holes. Flange Management offers engineering solutions and on-site services to maintain the joint integrity and flange integrity and is independent of any company. The Lokrite hands-free magnetic backup wrench eliminates the need to have a second person holding a backup wrench during breakouts or bolting and torqueing work. The installation, numbering, and tightening of bolts are all covered by ASME PCC-1 as well, as is the tightening sequence. First be sure the crank flange is clean/rust free. If your application requires higher working pressures, please contact your U. Step 2: Roughly level the telescope. How to Fix the Alignment on a Car. If alignment between pipe and pump , compressor , turbine or other equipment is not perfect, then several problems may happen during installation like problems with bolting, and during operation like too high loads transferred on Alignment Methods. Align one of the drilled flanges of the expansion joint with the pipe flange. Welding cannot cause distortion of the flange face. Measure the gap between the spacer flange and the hub flange on both ends. 2 how the ht125km works 8 Using the pry bar, lift up on one of the front mounts and place one or two shims under the mount. This new standard is a great thing for our industry and will help us with all of our installation work and more. This might be when replacing an RTJ of ring or when the flange face needs re-machining using a flange facing machine. The procedure for doing reverse dial indicator alignment is not a difficult one. 3. The alignment of the pump shaft to the drive shaft of the motor, gear, or engine driving the pump is called shaft alignment. The HDPE flange face also exhibits Memory / Recovery Step by Step Alignment Procedure. Prepare the transmission main shaft. The first part of a successful install will be to ensure that your flywheel is parallel with the crank shaft flange. Pipe Sales Representative. Close the clasp to secure strap. Check & Lubricate Gasket Check gasket to be sure it is compatible for the intended A Lap Joint Flange is a two piece device that is much like a weld-neck flange but also like a loose slip-on flange. Attach the face dial indicator. 003" (0. Thanks for the help. Offset Alignment – Since most C-face flanges mount using a grooved joint, offset misalignment is typically small. Defective tack welds must be removed prior to the actual welding of the joints. Tighten the bolts and check the flanges with the feeler blade. Often, these best practices can be acquired from JIP service companies. A bent flange could result in erroneous measurements if the straightedge or string rests against the outside edge of a damaged flange during the inspection process. API 610 11th Edition specifies the tolerances in Figure 1. Slide the fixture onto the bearing. The jack screws on a rim clamp exert pressure on specific high points so the precise alignment can be made. Economical and easy-to-use, Daniel™ Orifice Flange Unions securely hold an orifice plate in the line to ensure differential pressure measurement in accordance with AGA 3, API 14. Step 2: Learn about the machine you are aligning. Proceed to shaft alignment using” Rim and face “or “Reverse Indicator” method to meet vendor alignment map if specify. Check flange bores and shaft diameters for proper fit. 15 minute break The Internal Flange Alignment Tool from Mathey Dearman quickly and precisely aligns the ID of flange to the ID of pipe. FIT RITE Precision Pipe Fitting Systems are produced for sizes ranging from 1/2" through 12" nominal (sizes 14" and above can be produced by special order). Coupling Alignment Fundamentals Rexnord, 5555 S. Here are the 10 step by step processes for CNC lathe turret alignment. Bolt Torque/Flange Procedures. The Titan flan alignment results in excessive vibration, short life of driven equipment/ compound bearing and coupling clutch parts, and frequent re-alignment. There are several steps which need to be taken for a successful alignment job. Some of the flanges can be associated with water, while others can be cryogenic, thermal expanding, or high-risk hy- The flanges seal when tightened bolts compress the gasket between the flanges into the grooves, deforming the gasket to make intimate contact inside the grooves, creating a metal to metal seal. The tool is inserted in the corresponding bolt openings of the adjacent flanges and expanded to cause the bolt openings to come into precise alignment all around the abutting flanges to be joined together. Today, there are various gasket materials where there was one. 5 – 2017 alignment tool, bellhousing The bell housing alignment tool is designed to check for proper alignment between the crankshaft and the bell housing. If both Types of Wheel Alignment and Procedures. Remove and save the exhaust system “Y” pipe (Figure 5). Install all the bolts and nuts finger-tight, ensuring at all times that the alignment conforms to figures 1, 2, and 3. Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard B16. . A seal weld is used primarily to obtain tightness and prevent leakage. Remove slurry guard mount plate, slurry guard, and associated (Figure 3). Without proper preparation, standards and tolerances, and precision procedures, machines may have significant residual misalignment even though the alignment computer is reading zeros. 003-. installation procedure click procedure click size mark rotor flange rotor flange cuff will raised rotor raised rotor flange alignment mark rotor sensor clip sensor will flush rotor alignment mark flush mark flush rotor sensor align sensor steering shaft install shaft install sensor install sensor adapter install connector sensor 20% Off Flange Spreaders and Alignment Tools Eligible Models. Equipment flange must perfectly match the piping flange otherwise the problems will occur during bolting procedure. 2. com But without the right alignment tool, a precise fit isn’t always easy. SCOPE This section covers the standard alignment systems and procedures for rotating machinery, precautions to be taken before carrying out the alignment and general alignment guidelines. ASME B16. Level one length of pipe using flange alignment tools operator instruction manual page 1 section contents page no. Service Procedure [Continued] Figure 30 – Rear Propeller Shaft Flange NOTE: The following procedure is required if the transmission case fails per the inspection performed in Section A. Written and correct bolt torquespecifications and installation procedures will eliminate these problems. 3 and OIML 5167. The shaft should not extend beyond the flange face. An incorrect boltup procedure or cramped working conditions near the flange can leave some bolts loose while others are overtightened and crush the gasket. How Flange Alignment and Flange Closing Tools Work. Use the Wing Extension adjustment knob to lower the wing until the foot of the Alignment piston is positioned within the space between the upper and lower faces of the lower flange. The SMP Side Winder utilizes a pair of chain clamps and a tube attachment and drive screw assembly to effectively separate pipe flanges. Lubricate if specified on the washer (side touching bolt), bolt threads and inside nut threads. It does not matter whether they are simple, small equipment or highly-complex machinery. Flange Connections Supplier Procedure B31. Axial Alignment 9. If the Flange Union is already in place, verify that the orifice flange size and rating match the recommended specifica-tions, and begin with step 5. 1. Carefully lower the agitator assembly into the vessel. the 69's and 70's don't differ much electrically, it worked perfect. (1) or (2), and (3). FEED THROUGH STRAP The alignment procedure changes the relative positions of parts and may introduce interference. All tangent adjustment screws and clump lock should be loose before you continue to step 2 and 3. Figure 3. shall be aligned to each other within 1 mm in 200 mm. Compare alignment conditions to specified tolerances. 5 tool dimensions 4. 001 / -. A check for angular alignment is made by inserting the taper gauge or feelers at four points between the coupling faces and comparing the distance between the faces at four points spaced at 90-degree intervals around the coupling. A stud tension measuring device or torque wrench is to be used. com Laser alignment is an essential component of a viable maintenance strategy for rotating machines. Establish a uniform pressure over the flange face by tightening the bolds in 5ft/lbs increments to the torque valves listed in the table below using a 180-degree opposing. Verify that the flange alignment and parallelism are in accordance with procedure for piping installation around rotating equipment. Good alignment practices include proper shimming, correct torque on hold- down bolts, accurate laser or dial indicator usage, allowances for bearing Pre-alignment procedures. Ensure blade flange face is completely flush with fixture. If installing a new sensor, it will come with a pin installed in the sensor. . Often the only datum surface we can use is the face of the flange, which is also utilized in the cardan shaft fixture. Then the other part (e. These checks follow an order which will most quickly reveal the proper or improper performance of the equipment. 6. Fillet welds shall be made so that they penetrate fully into the root. Do the same for the inlet flange. 1 kit components 8 5. GEOMETRIC MEASUREMENT. Geometrical Alignment | PRUFTECHNIK. Soft gaskets will also tend to conform to and seal areas of poor flatness better than a hard gasket. 4b) The flange design forces are taken as the yield strength of the flange times the effective net area. FLANGE ALIGNMENT TOOLS OPERATOR INSTRUCTION MANUAL PAGE 7 5. NOTE: Support the propeller shaft b. A structural alignment member for use in operably receiving a plurality of structural support members in a customizable arrangement includes a unitary main body having an elongated base portion and first and second end flanges extending upwardly from first and second substantially opposed sides thereof. Feed the open end of the strap through the buckle mechanism as shown. (1) Before bolting, mating gasket contact surfaces. Most pipe flanges are designed to be welded to pipes. Since the motor uses a C-face flange, the motor is bolting axially into the flange. By lifting the shaft at certain specific points given in the alignment analysis report, the actual bearing loads can be calculated and verified against the values specified in the alignment analysis. USE OF THE PROCEDURE. Install the bolts and hand tighten only. Co. The successful operation of a gasket depends upon a multiplicity of factors including the style and quality of the gasket material, but also the medium being sealed, the flange design, the amount of pressure applied to the gasket by the bolts and how the gasket is assembled onto 5. Tested joints may leak in service due to temperature variations across the flange face which are not seen during testing. 7) Rotate transmission flange until it is vertical, measuring from side. 2 rotational (twist) misalignment 7 5 ht125km hand alignment tool 8-13 5. Importance of Shaft Alignment The shafts of the pump and drive unit must be closely aligned. Pipe welding alignment Perfect pipe clamping Useful tools for pipe fixing Fixing and adjustment of flanges and elbows LEARN MORE Sprocket flanges should be inspected to be sure they run true. 2 range of application 4. The lap flange is very similar to a slip on flange. 1. Check the dimensions of flange hold down bolts and align the relevant holes. Moorland Rd. The proper procedure to follow in bench maintenance work is that given by the sequence of the PERFORMANCE CHECKS. Flange Cover Removal flange, center bearing flange and pinion flange. Measure misalignment. Check the alignment of the transmission out- put flange and propeller shaft coupling flange using the following procedure with boat in water:. Do not force any of the screws. 08-. Spread the pipe flanges apart enough to allow the valve body to be located between the flanges without actually contacting the flange surfaces (See Figure 1. Step 3: The stud's nut is wound down against the joint face. Failure to follow OEM procedures will sacrifice the safety and quality of the repair. The average of the 4 readings should be within the gap range shown in Table 3 or the hubs must be This procedure details how to perform a Throttle Body Alignment (TBA) on many VW/Audi vehicles with Gasoline engines. Correct soft foot. Misalignment causes premature wear on clutch discs, pilot bushing, transmission bearings and may also cause transmission to jump out of gear. 13. Place alignment marks on the rear propeller shaft flange and axle flange (Figure 6). The Christie WCA4TM is an aid for use in normal maintenance and installation procedures, and enable the realignment of mis-aligned flanges within their respective working capacities. ♦ Hand-tighten the coupling nuts. When used properly, laser tools can provide accurate alignments for … The procedure for using a thickness gauge to check alignments is similar to that for a scale. Flanges and Butterfly Valve Installation Guidelines 2. • The Flange Cuff™ comes in 2 frame sizes with inter-changeable teeth to accommodate 1”, 1½”, 2” and 3” flange diameters and fits all 150# raised faced flanges. The screws 140A and 140B may be adjustable screws or bolts, such The alignment procedure is part of the alignment process where alignment is performed in accordance with the requirements defined by the alignment designer. Procedure for Tensioning using 50% Pullers · (i. (1/16 in. LANL Engineering Standards Manual PD342 Chapter 17 Pressure Safety Section D20-B31. Insert your good nib into the flange and be sure to align the tip with the long axis of the pen staff as shown by the dotted line in Figure 2 and 4. Slurry Guard and Mount Plate Removal 2. In fact, many mechanics will only use 3 of the 6 bolts to hold the flywheel in place. Learn about the machine you are aligning. All Sizes, Schedules and Classes Available. fa1tm mechanical flange alignment tool 4. Squared flange faces. 1. But if you use a fillet weld on a flange you will probably have to weld both sides of it. Refer to Procedure 005-014 (Fuel Injection Pump, Rotary) in Section 5. Swivel flanges suit oil, gas, hydrocarbons, water, chemical and LOKRITE BACKUP WRENCH LOKRITE BACKUP WRENCH The Lokrite Hands-Free magnetic Backup Wrench is a revolutionary tool when it comes to bolting or torqueing work. This can cause in-service leaks, especially in high temperature services when the heavily loaded bolts relax. All mating surfaces, bores and faces must be clean and free from grease, oil, dirt, nicks and other contaminates to insure a proper fit and function of mating parts. Press Alignment - Chapter 2 2-4 Alignment Procedures The procedures and frequency for press alignment will vary according to the press design and condition and the quality control procedures of the plant. Sometimes flanges require alignment. This procedure cycles the motorized throttle body through various states (idle, part throttle, WOT) to relearn their positions. Seal welds should not be considered as adding strength to the joint. Install the expansion joint between pipe flanges and temporarily secure/support in place. away from contact between the end of the pipe and the face of the The normal procedure is to place 0. 6 Check alignment between the HP Turbine and the LP TurbineProcedure : ♦ Attach measuring instrument. When asked which alignment methods are employed at a plant, the staff will often proudly display the latest laser alignment technology tool. The flange alignment apparatus comprises a flange support having a body sized and shaped to extend partially (e. 8, Gas Transmission & Distribution Piping Alignment and Acceptance Criteria 1. Plate installation. The recommended manual flange bolt tightening procedure is as follows: a) Ensure that the flanges are parallel and axially aligned. Step 2. An incorrect boltup procedure or cramped working conditions near the flange can leave some bolts loose while others are overtightened and crush the gasket. Bring the flange at the end of the pipe leaving a small welding gap the same as item 4. Alternate methods of alignment, other than using the flange bolts, must be utilized to conform with this requirement. Flange Joints Bolt Tension after 1, 2 and 3 Passes (WRC Bulletin 408) NPS 16 Class 300 Flange BECHT ENGINEERING COMPANY, INC. Swivel Ring Flange,Swivel flange,A694 F65 Swivel flanges. Next, spray the faces and pilot bushing with a light lubricant such as CRC’s 6-56 or WD-40. Tighten bolts by hand until they are snug. *follow all safety rules and procedures* Click here for Introduction to Alignment. − Tape tensioning (spring) device required for measurements with tape measure. Step 7 Make up the final spool pieces for the suction and discharge spaces. Figure 4. ALIGNMENT SYSTEMS AND PROCEDURES 1. Works with all schedules of pipe. The vertical solid shaft driver must be supplied with special shaft and base flange tolerances. Alignment guidelines for PCC-1-2010 were completely rewritten to focus on geometry-based limits with associated alignment-force limits. visual alignment of the timing mark is close enough for the engine to run. The goal of this procedure, also known as spinal manipulation, is to improve spinal motion and improve your body's physical function. Second, correct the horizontal misalignment by moving the equipment side to side. After coupling, before chocking, one complete set of measurements should be recorded in order to confirm the main engine alignment. 6 mm) of each other, transmission flange Measure distance "Y" (edge of straightedge to axle shaft centerline) at each side. Thanks for the tips. Activate your machinery more quickly, and help it run longer. Ignore this Service Bulletin. Flange bolt holes shall be aligned within 3 mm (1/8”) maximum offset. 1 introduction 2 2 safety information 3-4 3 technical data 5 4 flange misalignment determination procedure 6 4. Check for coupling & shaft run out. Angularity. However, the process is straightforward, and the cost is not high at all, anywhere between $50 and $100, although most of the times, a tire rotation is needed as well, which adds to the cost. The threaded rods were used to do this step. It's is also possible that you may do a fillet weld on one side and a beveled one on the other. doc 09/09/2014 Technical Information (2) 9. 003″ to . ClaInp the propeller shaft in a vise and reInove the flange bearings (two at each end). This can be a considerable challenge as it’s very difficult to accurately predict the amount of preload force loss to misalignment, rather than goes into tightening the gasket. c. The trim is finished using standard drywall materials and techniques. 2. parallelism between the flanges has to be recorded after leveling the base plate using master level. 3 Process Piping: flange faces must be parallel within 1/16" per foot of diameter, and flange bolt holes must be aligned to within 1/8" maximum offset. 3. 3 Flange faces shall be aligned within 1 mm in 200 mm (1/16” per foot) measured across any diameter. Another form of fillet weld used in pipe fitting is a seal weld A seal weld is used primarily to obtain tight­ness and prevent leakage. 5 – which covers Pipe Flanges and Flanged Fittings for size NPS ½” to 24”. Step 1. Slip four Alignment. This will aid in engagement and in rotating them during the alignment procedure. Every part must be The HDPE flange face compressibility is the measure of its ability to deflect and conform to the mating flange face. A final engine alignment must still be confirmed by coupling clearance measurement after the vessel has been launched and running gear components have settled. Orient the fixture in front of the spherical bearing so that the focus knob guide is at the top of the fixture, and the split between the two halves at approximately a 45° angle. 6 tool maintenance 5. Set the proper mounting flange seal (gasket or o-ring supplied by customer unless specially noted) on the vessel flange and protect it from damage. flange misalignment determination procedure 3. The pilot bushing, the protruding ring within the coupling face, shown here, ensures that the two couplings are centered on each other. See if it aligns with opposite flange bore. Tighten the foundation bolts and check the level and alignment reading. 75-2017/Part 1. • Uneven Bolt Stress. It is executable part of the propulsion shaft alignment process which consists of design, analysis and measurement. The pump shaft should now be centered in the stuffing box and in its guide bearings. : One puller on every other stud, Welding rings may be employed to assure proper alignment as well as the correct welding gap. Flange Spreading Tools and How They Work. bore, size H split taper bushings into The flange alignment procedure is far more critical than assembling grooved pipe joints. 0125” maximum offset. November 14, 2018. I decided to try the alignment procedure for the 70 model. First, you need to pull the turret. ASME/ANSI B16. Adjust the position of the nuts to insure that 2-3 threads is visible above the top of the nut. - beamline flange for up/down alignment using the stand wheel (see Image 2) - floor markings for left/right alignment using the square travel (see Image 3-5) 5. 13 mm), replace flange. Rotate the fixture to 12:00. LineLazer alignment sensors Flange coupling is a type of shaft coupling having two separate flanges which are mounted on the shaft end and both flanges are bolted together by means of nuts and bolts. HOWEVER some import stuff can be one hole. The flange assembly design, and written assembly specifications, are controlled by the pipeline design-engineer or project engineer-of-record. As per the code if the vertical and horizontal deviation of piping flange and rotary equipment flange centerline is within 1. 3. There are no motor feet, per se. 6. Chiropractic adjustment is a procedure in which trained specialists (chiropractors) use their hands or a small instrument to apply a controlled, sudden force to a spinal joint. Now that everything is secured, rotate the handle clockwise to apply pressure to the circumference of the opposite flange and bring the flange joint in alignment. Disconnect the battery. True the outer flange surface to remove “cupping” on this surface. After you are done, you will see the backside of the curve Insert the measured amount of shim under each of the moveable machine to bring the components into rough vertical alignment. Two of the reasons why modern cars are as comfortable as they are have to do with not only the way the suspension systems are configured, but also with how suspension systems on modern cars are attached to the vehicle. Welding joins materials by melting the workpieces and adding a filler material. For strong, high pressure connections of similar materials, welding tends to be the most effective method of flange connection. Seal welds should not be considered as adding strength to the joint. 3 Other Pipe Alignment and Clamping Tools. Familiarize with terms, techniques and procedure. Shaft alignment tolerances Historically, shaft alignment tolerances have been governed by the coupling manufacturers’ design specifications. 1--8. 1, 10/27/06 Attachment 3, ASME B31. *follow all safety rules and procedures . Paint alignment when the coupling faces are exactly the same distance apart at all points. Fabrication of the flange to pipe. 4 kit contents 4. a flange) is placed over the top expanding clamp and clamped by means of the hand-bar. Revision 3. Some examples of reasons to perform a TBA: The vehicle's battery has been disconnected and re-connected For all plants shaft alignment specification is to be available for information. This type assembly has a lower factor of safety in resisting pressure and fatigue than welding neck flanges. Determine where the Rosemount 1495 Orifice Plate, 1496 Flange Union is to be placed within the piping system. The FULL FACE FLANGE-TYTE Gasket is rated for a water working pressure of 350 psi for 4"-24" sizes, 250 psi for 30"-48" sizes and 150 psi for 54"-64" sizes. The nonlinear alignment zone is a complex function of the process of drawing together of the mating threads, bending together of mating parts, and bending of the fastener as a result of non-parallelism of the bearing surface to the fastener underhead surface. Spreaders . 0573 degrees then the alignment is accepted otherwise means to be devised to bring the deviation within those values. Perform the following steps if the bushings are not assembled into the coupling hubs: C Slide a 5/8-in. , half way) around the periphery of a first flange and includes a plurality of pins They’re a two-part flange consisting of a Lap Joint Stub End which is butt welded to the pipe and a backing lap joint flange which is slid onto the pipe before welding the Stub End. An RTJ flange may have a raised face with a ring groove machined into it. Below and on the following page are alignment procedures commonly used by today’s craftsmen. This calculation is repeated for both top and bottom flanges. Bore alignment with the highest precision. If faces are not flush, Tighten nut more. (Fig 8) Typical Procedure 1. Section WFP 2-01 – Welding Fabrication Procedure Rev. 2. 2, 3/10/09 3 PURPOSE This Guide provides information for the proper application of the ASME B31. When tightening the bolts the flange faces mus be kept paralell and the bolts tightened uniformly. The secuence is to lightly tighten the first bolt then move directly across the circle for the second bolt, the move way around the circle for the third and directly across for the fourth, continuing the sequence until all are tightened. Stock bored flanges are bored to +. Figure 3. 0 June 2009 HDP Film Cartridge Alignment Procedure Contacts North America Europe, Middle East and Africa Position the connecting pipe flanges in the line to insure proper alignment prior to valve installation. engineering design, flanged joints shall be aligned as. 3b-1) Where: Fyf = specified minimum yield of the flange (ksi) check of the alignment of a flexible coupling are a straight edge and a taper gauge or a set of feeler gauges. , New Berlin, WI 53151-7953 538-214 Telephone: 262-796-4060 Fax: 262-796-4064 February 2014 August 2013 Unless otherwise specified in the. The revision of Appendix E: “Flange Joint Alignment Guidelines” incorporates a similar departure from older standards. There are flange line up pins that help, but usually a couple of oversize bolts that fit TIGHT in holes that are for fit up only and too large for installation purposes. Attach 5/8" drywall to the system 3. flanged joint alignment are further defined as the following: a)Flange faces aligned to plane within 1/16”per foot as measured across any diameter and b)Flange bolt holes should be within . So, grab some tools, and get to it. angular alignment. The top and bottom adjustment screws should be in line with each other vertically. Alignment accuracy is critical to pump and driver longevity as stated above, and generally the better the alignment the longer the pump and driver bearing life. PROCEDURE FOLLOWED DURING FINAL Typically, flanges are attached to pipes via welding, brazing, or threading. Use proper torque sequence and procedures. This bolt affords sufficient torque to put the necessary stress loads on the gaskets to achieve leak free seal. Piping connections Preliminary Tests: Make a visual inspection of the coupled flanges. The foundation of most installation procedures for standard flange gaskets was the B7 bolt. If not, replace flange. This model is especially suited for heavy parts. The outer diameter of slip on flange can also be welded to the rear side of flange. After alignment is complete, you must make sure that the piping poses no stress on the equipment, and that's why you must tighten the flanges again and check the alignment. The SMP Side Winder is the only flange spreader designed specifically to spread lap joint flanges, slip on flanges and all other styles of flat faced flanges. PIPE–TO–PIPE 1. Swivel ring flange is typically for subsea application, it consists of a rotation outer ring and a hub which allows for easy alignment of the bolts, we provide a full range of swivel flanges accoding to ASME B16. 3. 003 FEELER GAUGE PROPELLER SHAFT COUPLING FLANGE TRANSMISSION a. Use a dial caliper and take 4 readings around the perimeter at 90˚ intervals. Repeat this procedure for the 3 to 9 o'clock direction. In addition to using welding rings, some simple procedures can be followed to assist the pipe fitter. (IMS) www. • •Flange Alignment • •Flange Pulling System Hydraulic Tools Hydraulic Pump Unit Hydraulic Hose Reel – Twin Umbilical Wach Guillotine Saw API Class 1-4 Torque Tool Subsea Drill Rig: SDR100 Hydraulic Grinder • Hydraulic Impact Wrench • Hydraulic Breaker IBOLT FLANGE MANAGEMENT IBolt Software iBolt flange integrity management software When you find that you have to weld flanges to your pipe you'll probably use a fillet weld whether the flange is a threaded or slip on. If still not flush: a. 10. 10. Tack weld the flanges to the pipe. The Flange Identification Tag will be attached using the supplied stainless-steel wire. 1 tool capabilities 4. The primary purpose of this procedure is to achieve the acceptable level of bolted flange joint integrity in the piping system & connection to equipment that have been identified & required tightening by bolt torque control. 5 standard pdf download. Take the flange-valve-flange assembly and properly align in the pipe. Tape and finish drywall 5. The tag will be attached around the face of the nut resting against the flange, and the wire will secure the tag. A few of the most commonly used alignment terms and their definitions are as follows: 1. ) Exercise particular care in handling After mounting the bearings to the work piece, remove the set-up cones and indicate the bore to ensure that the bar is in the center of the hole. This dual laser system for quick and reliable shaft alignment is suitable for most combinations of machinery; horizontal, vertical or flange-mounted, with coupled or uncoupled shafts. Comparing to weld neck flange, slip on flange has lower material cost and easier to align. Landing gear tow-in/tow-out test on spring steel strut aircraft, tapered shims can be added or removed between the bolt-on wheel axle and the axle mounting flange on the strut. b. g. Determine the required bolt tension and the estimated torque from the Table. Re-validate laser alignment of shafts. 1 lateral misalignment 4. A Lap Joint Flange is a two piece device that is much like a weld-neck flange but also like a loose slip-on flange. This compressibility compensates for flange surface irregularities such as minor nicks, non-parallelism, metal corrosion, and variation in surface roughness or grooving depth. The pump driver may consist of an electric motor, vertical gear, or steam turbine that incorporates a vertical solid shaft design mounted on the pump’s discharge head. 1 LATERAL MISALIGNMENT 3. Remove the flange cover (Figure 4). calexgroup. 2. XT770 - Shaft alignment and geo applications With Easy-Laser ® XT770 you can perform shaft alignment of horizontal and vertically/flange mounted machines, but also align machine trains, measure twist of foundation, and more. Visually check coupling, pipehangers, base bolts, coupling spacing etc. Install Axiom bottom drywall trim 4. Pipe Flange Aligners with Protractor Line up two pipe flanges and determine pipe angle with the included nut-and bolt pins, level, and protractor. 0 . The two CCDs for the alignment of the laser will be mounted on ad-hoc mechanical mountings:• in front M2, mounted on a ad-hoc flange (see Figure 10);• on the M1 cover; CONCLUSIONSIn this paper we described the procedure we plan to follow at the end of this year (according to the last schedule, 2010) for the alignment of the optical and The Alignment Piston is located on an adjustable wing which can be extended to enable the tool to be used on a variety of flange sizes. Since the tack welds become part of the final weldment they shall be executed carefully and shall be free from defects. flange alignment procedure