Cylinder liner calibration tool. Both dry type and wet type can be used.
Cylinder liner calibration tool.
Universal Liner Puller-Modified for D398 and CAT 3500.
Cylinder liner calibration tool 92mm on unit no. g. Dec 15, 2016 · The cylinder liner is usually produced by the honing process. Mar 12, 2023 · ===Conclusion: Advancements in Marine Cylinder Liner Measurement Tools. Tighten the lower nut to expand the tool in the cylinder liner. Drive screw hex size; 1-1/8". com FREE DELIVERY possible on eligible purchases Jul 26, 2016 · In-situ Diesel Engine Liner calibration as a Condition monitoring tool for Marine diesel Engines Jan 30, 2016 No more next content Measure the inner diameter of the liner using a inside micrometer at the holes provided in the template. Generally, the liner has to be replaced when the cylinder liner wear rate is about 0. The plateau roughness and the groove parameters of the valley component will change during the cylinder liner “zero-wear” process. Advancements in technology have led to the development of more advanced measurement tools for cylinder liners. measure surface roughness, liner diameter and coating thickness; take pictures of the liner to visualize potential wear and damage; analyze shaft power efficiency; measure cylinder pressure ; Learn more about Cylinder Condition Monitoring & Reconditioning Jan 21, 2020 · Examine the combustion space of any surface cracks on the liner. The values for the cylinder liner reports are read directly from the device and created by the software. Some common cylinder condition problems are broken piston rings and cylinder scuffing. For honing of liners 140 – 670 mm bore; Easy to operate directly on the engine or in honing rig; Honing rectifies the shape of the liner, restores scuffed areas and restores surface cross pattern The Liner Diameter Measurement tool can be used for verifying cylinder wear and deformation prior to dry-docking or for following up cylinder wear and deformation on a single engine of interest by complementing regular scavenging port inspections with cylinder liner measurement. Ensure that the temperature of the liner and micr Sep 20, 2023 · man b&w decarb# part-4 # onboard maintenance of man b&w engine# cyliner liner inspection# checking of liner lubrication# how to calibrate cylinder liner insp HON S is a portable cylinder liner honing machine, designed for easy operation directly on the engine or in a honing rig. This ensures that the liner is properly seated when it is pressed into place. 87mm on unit no. For new cylinder diameter, See data T22-107. Remove the sealing ring from the top of the cylinder liner. Lower the cylinder. Fig. Every step of our design, testing and manufacturing process builds quality into every engine that bears the Detroit® name. Horn presents the measuring tool CLDM for the engine crew to measure the liner Cylinder liner wear and clover measurement completed. Be Proud t View full details Original price $872. If honing isn’t performed regularly there is a risk that the maximum wear limit provided by the engine makers won’t be reached before cylinder condition issues occur. SHOW LESS NOTE! (*) Tool requires regular calibration. It can be replaced when worn out. Measuring & Replacement of Cylinder Liner [Kawasaki-MAN B&W S50MC] Dec 21, 2020 · Clean and wipe out the inside of the cylinder liner of any oil or coolant. • Photos taken of piston crown, top land, piston rings, piston skirt, piston rod, cylinder liner, scavenge box and scavenge receiver. Shut the fuel oil to the particular unit whose liner is to be removed. Jul 9, 2018 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Usually, it will take a three-man team one full day to get liner diameter measurement from two cylinder liners. HON S – machine features. com/learn/Auxiliary-Engine👉GME EXCELLENCE PACKAGE: ( 30% off on Bundle )https://courses. Measure the inner diameter of the liner using a inside micrometer at the holes provided in the template. Dec 8, 2021 · Clean and wipe out the inside of the cylinder liner of any oil or coolant. 03mm Cyl. $145. It is routinely carried out during a unit overhaul when the runnin Liner wear can be measured at any harbour Measurement can be done by the crew Easy to operate without mishandling Calibration checks by the operator at any time Very robust (no optics, no moving parts, IP65) Application fields Dr. DETROIT® ENGINES MEAN POWERFUL BUSINESSDetroit® engines perform at their peak for miles and miles, with best-in-class fuel economy and low-cost maintenance and service. May 30, 2022 · 10. 0741412-0: Cylinder Liners Tarkalloy-C/A First-Time blow by on cylinder #5 during normal operation and could not increase the load above 35%. HR40 and HR800 have a robust and compact design and provide the optimal platform for the honing of cylinder liners ashore. A liner can be inspected whenever a piston has been removed for changing the rings or replacement of the piston itself. PT-6400-C Universal Cylinder Liner Puller Diesel Engine Cylinder Liner Removal Tool For Mack Cummins Cat On Wet Liner from 3-7/8” To 6-1/4” Bore Replace To pt Jan 30, 2016 · This technology and our expertise on more then 100 vessels and many shore power plants is very beneficial in measuring all Liners of a marine engine without dismantling cylinder heads. The LDM is an innovative tool for safe, fast and accurate measuring of cylinder liner wear and clover-leafing. See Monaco Tool #30150-C. 0741412-0: Cylinder Liners Tarkalloy-C/A First-Time Honing is vital to prolong the lifetime of cylinder liners and avoid running-in problems. presented a method to calculate the reliability of cylinder liner, the cumulative damage model was established to describe the wear process. LCC is used for in situ photography of the cylinder liner walls and the exhaust valve in 2-stroke engines. Flat contact for counterbore depth. The new cylinder liner honing procedure applies for the following MAN engine types: Cylinder Liner is a cylindrical component of engine, made up of grey cast iron and provides space for piston movement to produce desired power output. [39] used non-Gaussian flow factors in their work for measured liner surfaces. The Liner Diameter Measurement tool can be used for verifying cylinder wear and deformation prior to dry-docking or for following up cylinder wear and deformation on a single engine of interest by complementing regular scavenging port inspections with cylinder liner measurement. Dismount the cylinder head using dedicated lifting tools. It details the steps and components that should be examined during an inspection, including visual examination of the piston crown, rings, cylinder liner, and other parts. Jun 5, 2019 · Proper maintenance and routine checks are necessary to ensure that the machines work for a longer time. Choose a category and/or use the filter to find the products that fit your needs. Make sure not to measure the cylinder liner height on the damaged part of the top deck. Photographs are included to illustrate common conditions like deposits, burning, cracking or damage. Generally while taking the measurements, the temperature of the liner and micrometer should Jan 4, 2023 · Measure the inner diameter of the liner using a inside micrometer at the holes provided in the template. After fixing this to a reference plane, you can achieve quick measurement at multiple points without repeating operations. Universal Cylinder Liner Dec 21, 2020 · Cylinder Liner Installer J-35597-A for Detroit Diesel 60 Series Engines J-35791 Cylinder Liner Puller Remover Tool For Non-EGR Detroit Diesel S60/S50 Front & Rear Crankshaft Seal & Wear Sleeve Installer J-35686-B J-35641-A Cylinder Head Lift Bracket Tool & J-35996-A Rocker Arm Lifter Rocker Arm Lifter J-35996-A liners. 8% of the bore diameter or as per the manufacturer’s recommendation. The photos are used when evaluating cylinder condition parameters such as cleanliness of ring land, size of cylinder wear edge, cylinder honing mark and wave-cut groove extension, black lacquering from corrosive wear and bore polish. 6-0. The inspection LDM-B150-1801E_LR - Free download as PDF File (. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Complete inspection of cylinder liner and piston assembly will require all components to be removed from the engine and fully dismantled. The low profile of this tool allows work in areas where space is limited. Refer to Special Instruction, SMHS7727, “Use of 8T-0455 Cylinder Liner Projection Indicator Group” for more information on the use of the tool. cover: Cracked Liner Press-Cummins C Series **SEE ALSO Monaco Tool# 20142. Before and after photos are required for any surfaces that are wiped down or cleaned, see Taking Photos Section for details. Jul 15, 2022 · Superior Precision — Pointed contact for cylinder sleeve height. 00. The transducer connected to the DI-5CTX enables the Ovality Kit to measure the differences to an accuracy of 1/1000 mm. Liner Diameter Measuring Instrument (LDM) LDM measures cylinder liner wear/remaining lifetime, ovality and clover leafing. Measure internal diameter: Use a micrometer or bore gauge to measure the internal diameter at multiple points along the liner’s and increasing fuel consumption. WÄRTSILÄ 20 Spare Parts List 816-0001<br /> Shop rare auto parts, premium electrician tools, auto-shop supplies, and forestry equipment at low prices with free select shipping. However, with the Chris-Marine Liner Diameter Measuring tool (LDM), the same operation can be done in three hours by one single operator. All tools can be used without removing the cylinder cover. And the liner held in place by the cylinder cover. 5 Check and assess the condition of the cylinder liner. After centering it on the piston, the insert aid is removed. Regular honing or deglazing of cylinder liners for these engine types can therefore save fuel as well as increase power output. txt) or read online for free. 61 USD For accurate cylinder pressure measurements with automatic TDC detection for MIP and power calculation, misfiring analysis and engine balancing function with a high-quality pressure sensor with leak-proof, patented design and excellent thermal specifications. Calibration Procedure: Clean the liner: Thoroughly clean the liner to remove any dirt, debris, or scale that might affect measurements. For detailed information on taking cyl-inder wear measurements and as-sessing liner condition, See descrip-tion 2245-0100, item 4. By using the LDM it is possible to avoid unplanned off-hire and reduce overhauling costs through continual monitoring of the cylinder condition. 8. The second case study is an evaluation of the improvements of the surface quality introduced by diamond honing in production of car liners. 000 to 15. In this free, 60-minute webinar, our experts discuss AVL’s well-validated virtual solution, which uses computational fluid dynamics (CFD) and multi-body dynamics (MBD) simulation to predict cylinder liner 3. To be measured on the inside of the cylinder liner, 100 mm from the top: Mechanical testing: Tensile strength (minimum 2 test pieces). merc Monitoring your cylinder liners’ health is an important part of minimizing costs and downtime. The LDM can be used for verifying cylinder wear and deformation prior to dry-docking. After establishing the relation between tensile strength in the riser and in the upper part of the liner, - see MAN B&W Quality Control No. Cylinder condition monitoring through liner wear measurements and camera pictures of liner and piston rings is greatly improved when simultaneously taking a replica sample of the running surface through the scavenge air port. 1 mm per 1000 running hours. Spencer: A Simulation Tool for Optimising Combustion Engine Cylinder Liner Surface Texture, PhD thesis, Department of Engineering Sciences and Mathematics, Lulea University of Technology, Lulea Sep 9, 2022 · Practical use of tools, measuring tools such as vernier, micrometers and dial gauges; 500 hour / 1000 hour inspection and maintenance routines of auxiliary engines; Overhaul and maintenance procedure for fuel injectors, cylinder head and its mountings; Bosch fuel pump overhaul and fuel injection timing checks; Cylinder liner extraction and 【75-138 MM CYLINDER LINER】 - This cylinder puller is suitable for all cylinders with a 75-138 mm diameter. The machine is very easy to operate as it is fully automatic and electrically driven. Using a Cylinder Gauge Insertable (CGI), we offer an accurate measurement of cylinder wear that shows the actual cylinder condition. Safe, fast and accurate measuring of cylinder liner wear and clover-leafing No need to remove cylinder cover prior to measurement Supplied with report generation tool that presents measurement results Avoid unplanned off-hire and reduce overhauling costs through continual monitoring of the cylinder condition. May 27, 2021 · Maine Engine : Cylinder Liner, How to do Liner calibration without template ??#meoexams#meoclass2#meoclass4 The spring loaded puller arms automatically adjust to fit the liner for a fast set-up time. With the help of calibration we can gauge the condition of cylinder lin Hans Jensen Lubricators is a global leader in cylinder lubrication technology with expert knowledge of cylinder condition gathe-red over more than 100 years. Full, independent control over cylinder liner wear, diameter, ovality and inside pictures; Efficiency in time and costs, because of a single, practical device; Inspections in 10 to 30 minutes per cylinder, no calibration needed; 12,000 measuring points per liner, multiple report formats; Independent, quick execution of a Scavenge Port Inspection bore 2-stroke cylinder liners Safe, fast and accurate measuring of cylinder liner wear and clover-leafing No need to remove cylinder cover prior to measurement Supplied with report generation tool that presents measurement results Avoid unplanned off-hire and reduce overhauling costs through continual monitoring of the cylinder condition. Wet heavy-vehicle (e. com FREE DELIVERY possible on eligible purchases May 6, 2013 · Tools for cylinder liner . Place the template on top surface of the liner. Sep 28, 2020 · In 2007, Giorgio et al. Pre-inspect cylinder condition The Liner Diameter Measurement (LDM) tool is an essential service for ship engine maintenance, focusing on detecting abnormal wear and deformation caused by operational changes like slow-steaming or the use of new lubricating oils. 7. HON 2A efficiently rectifies the shape of the liner, removes scuffing and restores surface cross pattern. Professional measurement and calibration tools to ensure the ease, efficiency, precision and reliability of your work. E. A common way to remove a stuck cylinder liner is to use hydraulic jacks on the bottom of the cylinder liner and apply hydraulic pressure. Innovative 3D Liner Scan Inspection that requires no engine immobilisation, no removal of engine mounting and only takes 20 minutes per liner. 001" Reading: 0-100, Sleeve Height & Counter Bore Gauge for all Diesel Engines: Cylinder Bore Gauges - Amazon. 88 USD - Original price $197. May 18, 2017 · A. This arrangement allows the linear to expand freely downward when it heats during the running of the Jul 2, 2024 · Buy 6434 Cylinder Liner Protrusion Measurement Tool, Dial Indicator Cylinder Bore Gauge Range: 0-0. Measure the cylinder liner height according to the specified measuring sequence and note the values in the table. Remove the special tool (1) (1809948) from the This helps to identify erosion areas and define measures to combat the potential critical conditions this would otherwise lead to. LDM INSPECTION RESULTS: Unlike unit #5, the cylinder liners in #2 and #4 were found to be in good condition. The customer requested Goltens Singapore to attend and replace the liner with an onboard spare and also to evaluate May 13, 2020 · The 8T-0455 Liner Projection Tool Group can be used to check the liner projection. 88 USD Feb 19, 2022 · Cylinder liner should be calibrated whenever decarbonisation of engine is carried out. MAN B&W The original MC-type liners with cast in pipes unfortunately suffered from cracks but the introduction of the bore-cooled liner solved the problem. Illustration 1 g01096458 Liner Projection Components (1) Bolt (2) Washer (3) Washer (4) Spacer plate (5) Cylinder liner The inspection tool ( 65 ) has a size that allows its introduction into the cylinder liner ( 25 ) through an aperture ( 30 ) in the cylinder liner ( 25 ) to be inspected. The VAK measuring process is time efficient. Mercedes Benz, MAN) cylinder liners, automobile and stationary-engine liners, and other parts may be extracted using this puller. The correlation and regression analyses of parameters included in ISO 13565-2 (Rk group Jun 29, 2024 · Buy Cylinder Liner Protrusion Measurement Tool, 6434 Sleeve Height, Dial Indicator, Cylinder Liner Measurement Tool, for All Diesel Engines: Cylinder Bore Gauges - Amazon. 61 USD - Original price $872. Therefore Leighton et al. The rigs have been designed for liners with an outer diameter ranging from 200 mm to 800 mm. The records of gauging are kept for each cylinder and wear rate is calculated. It's ideal for the disassembly of diesel cylinder liner quickly and securely. Step 2. Apr 3, 2021 · Me Cylinder Liner measurements # 07 MAN Holeby and Chris-Marine have developed a new cylinder liner honing procedure for MAN 4-stroke small-bore cylinder liners. Don’t miss the opportunity to watch the instruction video. May 22, 2021 · What to do if Cylinder Liner is Stuck. For instance, laser scanning technology provides more accurate measurements and reduces the time required to gather data. It is on the top of the cylinder block. The cylinder liner had 22,452 running hours and the crew suspected the cylinder liner was excessively worn and needed to be replaced. Cylinder Damage A cylinder bore of any engine can be damaged by a broken piston ring, a PT-6400-C Universal Cylinder Liner Puller Diesel Engine Cylinder Liner Removal Tool For Mack Cummins Cat On Wet Liner from 3-7/8” To 6-1/4” Bore Replace To pt Jul 20, 2021 · An approximate normal cylinder liner wear rate is about 0. Malmö, Sweden – September 25, 2019 – Chris-Marine AB today announced the launch of its Cylinder Liner Condition Camera, LCC. 39" Graduation: 0. This document provides guidance on conducting scavenge port inspections of two-stroke marine engines. Cylinder liner has to be gauged at regular intervals as specified in the maintenance manual. Nov 1, 2021 · The cylinder-liner as an engineering surface is cross-hatch honed and has a non-Gaussian distribution. In these cases it The 3D liner scan inspection includes analysis of liner diameters, wear rates and ovality data. pdf), Text File (. Both dry type and wet type can be used. And the top of the liner is slightly flanged, fitting into a counterbore in the block. Nov 1, 2009 · A lot of slide-honed cylinder surface topographies were measured and analysed in two and three dimensions. Taking liner measure-ments Position the cylinder liner measuring tool. 12. The condition is now determined, giving you clear indica-tions whether the liner is worn and if a liner exchange is Aug 11, 2017 · • Inspection of the cylinder liner running surface through the scavenge ports. Once the liner is slightly moved out of the stuck engine structure, it may be then lifted with the help of engine room crane and lifting tool Apr 3, 2021 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright To be measured on the inside of the cylinder liner, 100 mm from the top: Mechanical testing: Tensile strength (minimum 2 test pieces). Having studied about the cylinder liners of a marine diesel engine and their design and construction, it is now time to take a look at the issues involving inspection and wear of these liners. The wear rate increases if the engine is overloaded. It serves as a protective and functional element within the engine's cylinder block, providing a smooth and durable surface for the piston's movement while also offering thermal and structural benefits. It is primarily designed for measuring the ovality and wear of the cylinder liners of diesel engines with a cylinder diameter of 180-600 mm and a stroke length of up to 870 mm. Dec 11, 2023 · 👉Auxiliary Engine PACKAGE: https://courses. The lip on the upper part of the cylinder liner sits on a machined face. Camera that scans / documents the condition of the cylinder liner interface, exhaust valve, piston rings and piston crown. The initial inspection should be carried out before the components are cleaned to monitor fouling rates, areas of concern such as very dirty liner wall. Original price $197. 11. In four stroke cycle engines they are simple cylindrical shapes flanged at the Chris-Marine’s cylinder condition monitoring portfolio facilitates the collection of cylinder liner data and piston ring data. 11 Characterisation of Cylinder Liner Honing Textures 283 In this video, we will be showing you how to carry out inspection of Main Engine piston rings, cylinder liner and how important it is to periodically inspect NOTE: Be sure both gasket surfaces on the cylinder block and the cylinder head are clean and dry, especially the oil and coolant counter bores. Operation: The spindle of the counter-support brace is screwed into the clamping nut of the puller, and the puller inserted into the liner. A cylinder liner is a removable component, cylindrical in shape, inserted into the engine block. Cylinder liner bore measuring tool May 10, 2017 · Cracked cylinder liners are now rarely reported thanks to the successful introduction of countermeasures, such as bore-cooled liners and (for smaller bore engines) slim liners. SHOW MORE . Step 3. Cylinder Liner Calibration The ovality kit is an accessory for the DI-5CTX. Cylinder liner running surface photos taken using Linercondition camera. It provides the surface for the piston to slide and carry out its compression task. The invention is particular suitable for the inspection of a cylinder liner ( 25 ) of a reciprocating piston combustion engine ( 10 ). Mar 26, 2020 · The cylinder liner forms the cylindrical space in which the piston reciprocates. NOT TO BE USED ON THE DDA 60 SERIES 12. Materia Digital cylinder liner measuring tool The insertable digital cylinder liner measuring tool in Fig. Position the tip of the clock gauge (3) onto the outside edge of the cylinder liner. 2 and 0. LDM – Liner wear measuring tool. Fast 3D electronic engine liner measurement (ELM) for two-stroke engines + Bore seize 400 to 980mm + World Wide calibration +/- 0. Be Proud to own American Made Tools. The maximum cylinder wear level was measured 0. Liner Calibration. merchantnavydecoded. Cylinder Liner Honing Machine, heavy duty / HON 2A; Wavecut Grinding Machine / WGM; Automatic Honing Machine / HON A; Cylinder Liner Honing Machine, pneumatic / HON S; Honing Rig / HR; Honing Liquid / HON LIQ; Wear Edge Milling Machine / VKS; Piston Ring Expander Unistress / UPRE; Deglazing Machine / DGL; Tube Grinding Machine / TGM; Surface Universal Liner Puller-Modified for D398 and CAT 3500. In addition, the second case study introduces a rating method applicable, not only for liner sur-faces, but for any type of surface. Sep 6, 2021 · A cylinder liner is calibrated by measuring the internal diameter using a micrometer gauge. Explore our latest CCM - Liner Calibration dashboard which offers: - 3D Liner visualization with a heat map of wear based on precise measurements - Max wear rate plot to predict component lifetime The cylinder liner is beveled at the bot-tom end to help guide the liner into the block bore. The liner has to be cleaned and inspected before the gauging. Lift the cylinder head into position using cylinder head/engine lifting bar tool (W470589006200). No immobilisation of the main engine is required. 19. Liner time scale: ~1000 Rh. Our product solutions for 2-stroke and 4-stroke diesel and gas engines. 02: The insertable cylinder liner measuring tool is available from dif-ferent makers for engine bore size 40 and up The cylinder liner wear profile can be predicted by regularly the liner and positioned on the piston with an insert aid. 4. These advancements have improved the GASCO 75-4250 Calibration Gas Cylinder Devalving Tool for 34L, 44L, 58L, 66L, 103L, 105, and 116L Female Threaded Cylinders C-10 Connection Type. 12. The wear in the cylinder liner is mainly because of following reasons:-1) Due to friction. A diameter gauge apparatus capable of measuring the cylinder liner internal diameter in a two stroke crosshead internal combustion engine (100), the diameter gauge apparatus (10) comprising a frame structure (11) Having two elongated protrusions 12 and a long elongated measuring arm 13 extending to the opposite side of the frame structure 11 and causing the measuring arm to displace in a The HR Honing Rigs fit all service workshops and has been specifically developed for honing cylinder liners outside the engine. Step 4. Cylinder liner wear gauge: Specifically designed to measure taper and ovality. Install the J-45876 cylinder liner removal tool in the cylinder liner to be removed with bridge resting on deck of cylinder block and lip of tool resting on the top of the cylinder liner. Cylinder liners are made from close grained cast iron. The final honed cylinder liner surface is composed of the plateaus and the valley components. 273" min. 000 wear points per liner Abt. However, the rough surfaces of ring and cylinder liner are assumed to be Gaussian in this work. 02 facilitates liner condition monitoring. With the LDM, Goltens is now able to undertake the inspection of all liners on a 2-stroke main engine in a single day without disassembly of the unit and produce highly accurate reports to indicate cylinder liner wear, remaining life of the liner, ovality and any clover leafing present. For engines running on MGO, gas or other low-sulphur fuels, cylinder liners will eventually become glazed or polished but not necessarily worn. Turn the piston down far enough to make it possible to grind away the wear ridges at the top of the liner with a hand grinder. 7/14L EGR ENGINES. Piston Cleaning Ring Work Card Checking Oct 5, 2023 · A cylinder liner, often referred to as a cylinder sleeve or engine liner, is a critical component in internal combustion engines. The tool accommodates bore diameters from 3-7/8" to 6-1/4", sleeve depths to 15", and liner wall thickness of 0. 1700 MB of liner pictures Abt 200 piston coating readings Abt 300 MB of high-resolution ring pictures Owners/Operators are constantly experiencing excessive Liner wear due to: Running on compliant, low-sulphur fuels as a result of the Emissions Control Regulations in-force from 2020; Im-proper Cylinder oil lubrication (feed rate and/or BN) Slow steaming; Off-spec fuels with increased number of Cat fines Documents cylinder condition in only 15 minutes. Ensure that the temperature of the liner and micr Fully automatic cylinder liner honing machine for restoration of 2-stroke cylinder liner geometry and surface structure. By estimating the reliability of cylinder liner, the inspection and replacement of cylinder liner can be punctually conducted to reduce the extra expense loss. In this article, we will have a look at various reasons that lead to cylinder liner wear and how it can be minimised. Reasons for Cylinder Liner Wear. Processing On-site result Abt. Position a new cylinder head gasket onto the cylinder block. whqhwwwcykorxuultoxeahyiuvdnorwdascwpumhjyhywo