That way, you will not end up contaminating the inside of your hydraulic final drive motor. When they start to fail, they do need to be replaced. This has been discussed in a separate chapter, which we recommend you to read. If you feel like a repair is too much for you to handle or you just don't have the time to deal with it, don't hesitate to contact a hydraulics expert. I finally did it, Who knows If I can put it back together ;) ;) Remove your hobbit final drive / trans / rear wheel. manufacturer brand motor now. manufacturer brand motor now, Use a protective guard over lines that rub against the machine or that are exposed to high temperatures. Remove the differential case. Zielona 2. Discard the differential bearings/differential case. Once the final drive is removed, we recommend taking that opportunity to finish cleaning up that part of your machine. You may need to make use of cheater bars and other non-standard tools in order to get your final drive opened up. Some final drives -- especially KYB / Kayaba final drives -- make this part very challenging. Remove the rear wheel. Fixing a final drive is possible, but is often time consuming and in the end, not cost effective. Break loose any hardened debris and try to clear out all the dirt and grime that gathers there. Call Now 888-866-3462 The first step is to mount the drive unit to the excavator frame. To disassemble the final drive, first dismount the rubber track, or detach the track chain. Remove the final gear case from the swing arm and remove the drive hub from the shock Date of Issue: January, 1981 Ring gear control spacers are available in 42-350 Koziegłowy, woj. new kobelco cost $4,776.00 your cost $3,400.00 + … Proceed to Final disassembly in this procedure. Then, loosen the screws at the sprocket side (allowing you to avoid unnecessary complications at the later stage). Another sign of trouble to look for is too much play in the lower gear bearing -- another sign that replacement is imminent. Once you do open it up, pay close attention to the order in which you remove the parts. Regardless of the suggestions provided, always follow the original procedures. Texas Final Drive is your partner in providing new or remanufactured final drive hydraulic motors from a single mini-excavator to a fleet of heavy equipment. Be sure to add hydraulic fluid to the motor before starting it to avoid a damaging dry start. 4. Kits for the main seals, also called floating face seals or duo cone seals, are easy to track down for most final drive motors and can usually be installed without specialized tools. When it comes time to reassemble your final drive, you might want to consider using Loctite threadlocker to keep critical bolts in place. When you are ready to fit a new final drive, the steps are reversed. The differentials in transaxles are constructed like and perform the same function as those found on rear-wheel-drive vehicles. Post by stmftr395 » Wed Nov 14, 2007 2:23 am Got the flanged axle out of the bull gear using a 5 ton port-a-power. Planetary Final Drive Service Manual Carrier Disassembly 1. Final Drive Problem. When you're ready to start disassembling the final drive motor, you may find that it's difficult to remove the cover plate. All torque … We'll begin with some guidelines for installation and removal, followed by taking your final drive apart and dealing with different types of repairs. Its 4 bolts, remove the tensioner for the chain, remove the belt --- it should be simple! Once done, you may begin your normal usage of the machine. on a raised track. But don't take our word for it. This is more involved than just changing out your hydraulic fluid. If your final drive or hydraulic system has recently failed, you might want to change out the rest of your hydraulic filters. It is likely that, when installing an aftermarket spare, the location of individual connections will be different than on the genuine part. 3. This fixture is used with the 432-2324 Riser Assembly and the 432-2322 Lift Column Group . 2. Dismantling The Bevel Drive Box – Procedure After removing the rear wheel, detach the suspension unit lower lug from its stud on the drive box casing. Final Drive disassembly photos Josh Withers #45431 . Note that complete final drive fit into the vehicle only in a specific position, which is dependent on the location of holes of the machine frame. Remove electric controlled coupling assembly from final drive assembly. You'll save yourself considerable downtime by replacing the set. To disassemble the final drive, first dismount the rubber track, or detach the track chain. To those that know the process of taking apart a final drive, please check out this link when you get a chance. You want to start by cleaning up the area where the final drive is installed. If it seems to be stuck, lever it from outside the track frame. The bench does not need to be secured to the floor. Final drives play a crucial role within a machine’s drive train by transferring power to the tires or tracks while providing speed reduction and torque increase. Refer to DLN-136, "Disassembly and Assembly". "It can be possible (to fix a drive) depending on the reason for failure. Make sure that the test is performed at low speed, and that the machine is first driven forwards, and then backwards. These seals have a limited life span and need to be replaced as soon as they start to leak. in most of these drives are out of wack right from the factory in most cases i can build them to better than new i have been building all types of final drives - transmissions-differentials - engines on and off highway It’s also a good time to clean up any fluids that may have leaked out during operation or spilled during removal. Get rid of the hardened debris, scaling, rust dirt, mud, sand, concrete dust, etc. Thanks for the help. When it comes time to install the brake disc pack, make sure you use the specified height or, if you aren't sure that is, copy the order (and count) for the brake discs and spacers that you removed. Gears, gear bearings, and the gear plate take a great deal of abuse because of the massive forces and torques they are transmitting inside the final drive motor. CAUTION: When removing electric controlled coupling, replace drive pinion oil seal. The next step is to unscrew the screws fixing the final drive to the excavator frame, and removing the complete unit. To maintain accurate and proper alignment and tooth contact, the ring gear and differential assembly are mounted in bearings. This is done from inside the track frame. There are some final drive parts that need to be replaced more often than others, including seals, the main bearings, gears and gear bearings, and the gear plate. Some of our customers use multi-colored plastic ties, strips of colored wire, or chalk marks. Remove wave spring. Disassembly steps <> ... Repeat the adjustments of the drive pinion height and the final drive gear backlash until the contact pattern similar to the normal pattern. Get rid of the hardened debris, scaling, rust dirt, mud, sand, concrete dust, etc. When you're ready to start disassembling the final drive motor, you may find that it's difficult to remove the cover plate. Putting the Final Drive Back On. If you do have to replace hydraulic lines, keep these guidelines in mind: If there has been a catastrophic failure in your hydraulic system, you may need to flush your hydraulic fluid. Maximum screw tightening torque for installing a final drive is always specified by manufacturers in original service manuals for the machines. Disassembly . is your partner in providing new or remanufactured final drive hydraulic motors from a single mini-excavator to a fleet of heavy equipment. Then, loosen the screws at the sprocket side (allowing you to avoid unnecessary complications at the later stage). At Final Drive Parts, we carry a vast selection of new, used, rebuilt, and remanufactured CASE final drive motors for a wide variety of agricultural and construction-related equipment. Place the bench in a location that is accessible by an overhead hoist with adequate capacity. Remove drive pinion oil seal from the inside of gear carrier. Before assembling a complete final drive into a tracked machine, it is recommended to fill the system with an abundance of clean hydraulic oil in order to ensure that the engine is properly lubricated. difficult to remove the cover plate. A good practice at this point is to mark hydraulic hoses with a marking of your choice to prevent further problems with identifying them. Some final drives -- especially KYB / Kayaba final drives -- make this part very challenging. The greatest torque rise occurs in the gears. hbspt.cta._relativeUrls=true;hbspt.cta.load(2232726, 'a4ba77e4-65a3-485a-8fd7-10d0416cc950', {}); Topics: Final Drive: Disassembly and Evaluation Next, we fully disassemble the final drive – not one bolt is left unturned, so to speak. The following information briefly outlines what to look for when performing these tests. Final Drive Diagnosis, FINAL GEAR CASE REMOVAL Place the motorcycle on its center stand. AMS Final Drives is a leading supplier in new aftermarket, rebuilt and used Kobelco Excavator Final Drives as well as other Kobelco excavator parts.We supply a variety of Final Drive components including complete final drives, finals without a motor, just the drive motor, floating face final drive seals, planetary gears, bearings, shafts, left hand final drives, right hand final drives and more. This is also a great time to replace your case drain filter if you have not already done so. Disassembly of the drive unit, i.e. Disassembly and Assembly 416D, 420D, 424D, 428D, 430D, 432D, 438D and 442D Backhoe Loaders Power Train Media Number -RENR3578-12 Publication Date -01/04/2010 Date Updated -13/04/2010 i01504627 Final Drive (Drive and Steering Axle)(Rear) - Assemble SMCS - 4050-016-RE Assembly Procedure Illustration 1 g00780552 1. This level of precision is difficult to achieve without the right equipment and experience. excavator final drive . Some final drives -- especially KYB / Kayaba final drives -- make this part very challenging. Shipping. Also, do not forget to add gear oil to the planetary hub. (Page 14—3) Remove the distance collar. 1. Call today so we can find the right final drive or hydraulic component for you, or check out our online store to find your O.E.M. Then, tag your hydraulic hoses so you can reattach them to the correct ports without confusion. My next question involves the removal of the bearing and quill from the flanged axle. Our technician can show you ! However, other parts can be restored through hand lapping. Planetary final drive assemblies should be inspected for chipping and wear. Remove the bolts that attach the final drive to the frame. Final Drive Diagnosis, As I read the manual I should pull the quill which inturn will remove the bearing. Some threads in the adapters may also be different, so make sure you are well-prepared to this assembly step. Remove the final gear case attaching nuts. Any questions just contact me . The tip of the gear teeth should have a flattened surface, not a pointed one. 1010 final drive disassembly. Brand New With Travel Motor. At this point you can check if the drive is actually moving in the right direction. Use an inch-pound torque wrench to check bearing preload. Here is a video from one of our customers that shows the removal and installation process of a final drive from a practical perspective. After it has been disassembled, the parts are degreased and thoroughly cleaned. Remove final gear mounting bolts and then separate the final gear from differential case. When mounting the drive unit to the excavator frame, do not forget about cleaning the adjacent surfaces between the frame and the drive, and about tightening the screws up to specific torque and use a thread lubricant. Hobbit - Final Drive Disassembly *. To disassemble the final drive, first dismount the rubber track, or detach the track chain. Flushing your system means purging it of all old fluid, contaminants, and sludge. MACHINE SHOP SERVICE AND DRIVE ASSEMBLY KOBELCO SK160 GM28VL HY-DASH FINAL DRIVE machining the hold flange bringing the tolerance to better than new spec. fits kobelco 35sr-2 - 30sr-2 new holland eh35 compact excavator 6 month warranty. © 2017 Texas Final Drive, a division of Woodland Fluid Power Inc – All Rights Reserved. Final Drive Disassembly - Nee Help Final Drive Disassembly - Nee Help. If the normal contact pattern cannot be obtained even after making the adjustments, the drive gear and the drive pinion have been worn exceeding the usage limit. * HONDA / kozanatos. Final drive repair sometimes takes the skills and experience of a professional, but not all tasks are that complicated. Then, test operation of the drive again without load, i.e. Drive Planet Shaft (3E) out of the carrier pin holes; forcing the Roll Pin (3G) to sheer off. Final Drives. The 127-8458 Final Drive Disassembly and Assembly Bench weighs approximately 1361 kg (3000.5 lb). The same thing can happen to the gear teeth on the upper and lower drive shafts. Final Drive Problem, Texas Final Drive, a division ofWoodland Fluid Power Inc 26639 Hufsmith Conroe RdMagnolia, TX 77354 281-968-4773 or 281-259-5267. Maintenance, Lapping uses special abrasives to achieve a certain level of flatness and surface finish. Proceed to Final disassembly … There is more than one way to keep track of which hose is which, so just figure out a way that works for you. The final drives of a track-type tractor differ somewhat, but they perform the same function. slide the … Assembly of the planetary gear along with the hydraulic motor - particularly an aftermarket one - may often cause certain problems which we have described below. the complete planetary gear with hydraulic motor seems to be rather unproblematic; however we have included here several tips that should help you with this operation. Then, disconnect hydraulic hoses and secure them, as well as the hydraulic motor from oil leakage, and from penetration of dirt into the hydraulic system. Then, loosen the screws at the sprocket side (allowing you to avoid unnecessary complications at the later stage). After connecting a hydraulic motor correctly, perform a preliminary test on the newly installed drive. Our experts then examine every part that comes … Check ring … If the runout exceeds the specification, the differential ring gear is true and the concern is due to either differential case/differential bearing damage. Some damaged surfaces, like a distributor out of a final drive, can be restored to factory specifications through the proper use of a lapping table. Here we will only mention that incorrect or incomplete connection of a hydraulic motor will cause its damage. The Propeller Shaft The final drive unit has three functions to perform: it gears down the speed of the propeller shaft to a suitable road wheel speed, it divides the transmitted torque from the engine between the two driving wheels and, except in the case of a transverse engine, it turns the drive through a right angle, transferring it from the propeller shaft to the driving wheels. There are a couple of different ways to do this, including the double oil and filter change. After that, disassemble the frame guard at the hydraulic motor side. May 13, 2012 04:08AM. 4 bolts on final drive ( 2 have nuts, 2 have them built into the rear drive ) remove the tensioner for the chain, remove the belt Now you have a big wheel with the final drive. Don’t hit the travel motor to try to break it free because this can damage the travel motor. After that, disassemble the frame guard at the hydraulic motor side. CASE has been manufacturing agricultural equipment since it was founded in 1842, and they added construction-related equipment to their repertoire in 1912. The 432-2321 Final Drive Disassembly Fixture is used to support 777 through 797 Wheel and Final Drive Groups. śląskieRzeniszów, ul. Remove connector bracket 1 from electric controlled coupling. You can now swing the final drive out. Hammer on that 7/8 12pt socket impact it off with hand on the wheel / rim. Note that complete final drive, contrary to what it may appear, are very heavy, and thus require certain safety measures. After that, mount the sprocket, also using appropriate torque and glue, and then install the rubber track, or attach and pretension the chain. new. That way, you will not end up contaminating the inside of your hydraulic final drive motor. genuine oem final drive not a replacement teijin seiki / hy-dash nabtesco kobelco part # px15v00020f2. Keep in mind that in order to really examine some of the parts, you will need to clean them. Before you take it apart, you will want to clean up the outside of your final drive. All manufacturers' names, symbols and descriptions are used for reference purposes only, and it is not implied that any part listed is the product of these manufacturers. If there are any mistakes or tips I left out, please let me know and I will fix it. Planetary Final Drive Service Manual Roll and Leak Test Torque-Hub® units should always be roll and leak tested before disassembly (if possible) and after assembly to make sure the unit’s gears, bearings, and seals are working properly. An important thing to remember when replacing final drive gears is to never just replace one gear -- if one gear fails, the gear set is about to go, too. Call today so we can find the right final drive or hydraulic component for you, or check out our online store to, change out the rest of your hydraulic filters, final drive parts that need to be replaced more often than others, find your O.E.M. After screwing in the drive to the machine, proceed to plug the hydraulic hoses. If the teeth wear away to a point, they can longer mesh with the coupling and your final drive will either be very weak or stop turning altogether. However, installation of the main seal may require the use of an rubber mallet or a specialized installation tool to make the installation go easier. The part that experiences the most wear is the brake disk pack, which is not difficult to replace. It is also worth to inspect oil level in the drive gears in case you are not sure if it is sufficient. Also be careful when installing the brake seal. Failure to do these two critical steps can seriously damage your motor and void its warranty. Remove speedometer drive gear. If you open up the final drive and notice that your gear teeth look pointed, that is a definite sign they need to be replaced. Feb 26, 2020 - Want to know how to disassemble the reduction gearbox from the final drive ? The major components of the final drive include the pinion gear, connected to the drive shaft, and a bevel gear or ring gear that is bolted or riveted to the differential carrier. Caterpillar 303.5 Final Drive Motors at Wholesale Prices. evbarnard. Full LIFETIME Limited Warranty and Free Continental U.S. You may need an arbor press or something similar to get the hubs apart. Brake assemblies can cause some serious problems with final drives and some parts may need to be replaced. 2. When your new drive comes in, make sure the fittings are clean before you start attaching them to the final drive and make sure match up the hoses to the correct ports. It is very important to plug the hydraulic hoses correctly. Trying to remove a final drive can be challenging, and putting a new final drive on your machine can be just as difficult. You may need to make use of cheater bars and other non-standard tools in order to get your final drive opened up. mod # gmo4-a-11/20-5 2 speed drive. Tool number : ST33061000 (J-8107-2) CAUTION: Hook a puller on the cage of differential side bearing. Remove differential side bearing (clutch housing side) using Tool and pullers (B). After that, disassemble the frame guard at the hydraulic motor side. Maintenance, In this Shop Talk Blog post, we are going to review some hints and tips for how to repair your own final drive. Undo and remove the four nuts with lock washers connecting the drive box to the swing arm, and withdraw it complete with drive shaft and coupling sleeve. Parts like the seals and bearings have to be replaced more often, and neglecting to do so can result in serious and expensive damage. Another area where you might have to do some adjustments or repairs occasionally is the hydraulic lines. The drive may be installed afterwards.
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